xref: /petsc/include/petsc.h (revision 0f1c8aaeb483e62e9428cb0bfbf660dc1e3487ff)
1 /*
2    This is the main PETSc include file (for C and C++).  It is included by all
3    other PETSc include files, so it almost never has to be specifically included.
4 */
5 #if !defined(__PETSC_H)
6 #define __PETSC_H
7 /* ========================================================================== */
8 /*
9    petscconf.h is contained in bmake/${PETSC_ARCH}/petscconf.h it is
10    found automatically by the compiler due to the -I${PETSC_DIR}/bmake/${PETSC_ARCH}
11    in the bmake/common/variables definition of PETSC_INCLUDE
12 */
13 #include "petscconf.h"
14 
15 /* ========================================================================== */
16 /*
17    This facilitates using C version of PETSc from C++ and
18    C++ version from C. Use --with-c-support --with-clanguage=c++ with config/configure.py for the latter)
19 */
20 #if defined(PETSC_CLANGUAGE_CXX) && !defined(PETSC_USE_EXTERN_CXX) && !defined(__cplusplus)
21 #error "PETSc configured with --with-clanguage=c++ and NOT --with-c-support - it can be used only with a C++ compiler"
22 #endif
23 
24 #if defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus)
25 #define PETSC_EXTERN_CXX_BEGIN extern "C" {
26 #define PETSC_EXTERN_CXX_END  }
27 #else
28 #define PETSC_EXTERN_CXX_BEGIN
29 #define PETSC_EXTERN_CXX_END
30 #endif
31 /* ========================================================================== */
32 /*
33    Current PETSc version number and release date
34 */
35 #include "petscversion.h"
36 
37 /*
38    Currently cannot check formatting for PETSc print statements because we have our
39    own format %D and %G
40 */
41 #undef  PETSC_PRINTF_FORMAT_CHECK
42 #define PETSC_PRINTF_FORMAT_CHECK(a,b)
43 #undef  PETSC_FPRINTF_FORMAT_CHECK
44 #define PETSC_FPRINTF_FORMAT_CHECK(a,b)
45 
46 /*
47    Fixes for configure time choices which impact our interface. Currently only
48    calling conventions and extra compiler checking falls under this category.
49 */
50 #if !defined(PETSC_STDCALL)
51 #define PETSC_STDCALL
52 #endif
53 #if !defined(PETSC_TEMPLATE)
54 #define PETSC_TEMPLATE
55 #endif
56 #if !defined(PETSC_HAVE_DLL_EXPORT)
57 #define PETSC_DLL_EXPORT
58 #define PETSC_DLL_IMPORT
59 #endif
60 #if !defined(PETSC_DLLEXPORT)
61 #define PETSC_DLLEXPORT
62 #endif
63 #if !defined(PETSCVEC_DLLEXPORT)
64 #define PETSCVEC_DLLEXPORT
65 #endif
66 #if !defined(PETSCMAT_DLLEXPORT)
67 #define PETSCMAT_DLLEXPORT
68 #endif
69 #if !defined(PETSCDM_DLLEXPORT)
70 #define PETSCDM_DLLEXPORT
71 #endif
72 #if !defined(PETSCKSP_DLLEXPORT)
73 #define PETSCKSP_DLLEXPORT
74 #endif
75 #if !defined(PETSCSNES_DLLEXPORT)
76 #define PETSCSNES_DLLEXPORT
77 #endif
78 #if !defined(PETSCTS_DLLEXPORT)
79 #define PETSCTS_DLLEXPORT
80 #endif
81 #if !defined(PETSCFORTRAN_DLLEXPORT)
82 #define PETSCFORTRAN_DLLEXPORT
83 #endif
84 /* ========================================================================== */
85 
86 /*
87     Defines the interface to MPI allowing the use of all MPI functions.
88 
89     PETSc does not use the C++ binding of MPI at ALL. The following flag
90     makes sure the C++ bindings are not included. The C++ bindings REQUIRE
91     putting mpi.h before ANY C++ include files, we cannot control this
92     with all PETSc users.
93 */
94 #define MPICH_SKIP_MPICXX 1
95 #include "mpi.h"
96 /*
97     Yuck, we need to put stdio.h AFTER mpi.h for MPICH2 with C++ compiler
98     see the top of mpicxx.h
99 
100     The MPI STANDARD HAS TO BE CHANGED to prevent this nonsense.
101 */
102 #include <stdio.h>
103 
104 /*MC
105     PetscErrorCode - datatype used for return error code from all PETSc functions
106 
107     Level: beginner
108 
109 .seealso: CHKERRQ, SETERRQ
110 M*/
111 typedef int PetscErrorCode;
112 
113 /*MC
114 
115     PetscCookie - A unique id used to identify each PETSc object.
116          (internal integer in the data structure used for error
117          checking). These are all defined by an offset from the lowest
118          one, PETSC_SMALLEST_COOKIE.
119 
120     Level: advanced
121 M*/
122 typedef int PetscCookie;
123 
124 /*MC
125     PetscEvent - id used to identify PETSc or user events - primarily for logging
126 
127     Level: intermediate
128 
129 .seealso: PetscLogEventRegister, PetscLogEventBegin PetscLogEventEnd
130 M*/
131 typedef int PetscEvent;
132 
133 /*MC
134     PetscBLASInt - datatype used to represent 'int' parameters to blas functions.
135 
136     Level: intermediate
137 M*/
138 typedef int PetscBLASInt;
139 
140 /*MC
141     PetscMPIInt - datatype used to represent 'int' parameters to MPI functions.
142 
143     Level: intermediate
144 M*/
145 typedef int PetscMPIInt;
146 
147 /*MC
148     PetscEnum - datatype used to pass enum types within PETSc functions.
149 
150     Level: intermediate
151 
152 .seealso: PetscOptionsGetEnum, PetscOptionsEnum, PetscBagRegisterEnum
153 M*/
154 typedef enum { ENUM_DUMMY } PetscEnum;
155 
156 /*MC
157     PetscInt - PETSc type that represents integer - used primarily to
158       represent size of objects. Its size can be configured with the option
159       --with-64-bit-indices - to be either 32bit or 64bit [default 32 bit ints]
160 
161    Level: intermediate
162 
163 .seealso: PetscScalar, VecSetSizes
164 M*/
165 #if defined(PETSC_USE_64BIT_INDICES)
166 typedef long long PetscInt;
167 #define MPIU_INT MPI_LONG_LONG_INT
168 #else
169 typedef int PetscInt;
170 #define MPIU_INT MPI_INT
171 #endif
172 
173 /*
174       You can use PETSC_STDOUT as a replacement of stdout. You can also change
175     the value of PETSC_STDOUT to redirect all standard output elsewhere
176 */
177 extern FILE* PETSC_STDOUT;
178 
179 #if !defined(PETSC_USE_EXTERN_CXX) && defined(__cplusplus)
180 /*MC
181       PetscPolymorphicSubroutine - allows defining a C++ polymorphic version of
182             a PETSc function that remove certain optional arguments for a simplier user interface
183 
184      Not collective
185 
186    Synopsis:
187    PetscPolymorphicSubroutine(Functionname,(arguments of C++ function),(arguments of C function))
188 
189    Level: developer
190 
191     Example:
192       PetscPolymorphicSubroutine(VecNorm,(Vec x,PetscReal *r),(x,NORM_2,r)) generates the new routine
193            PetscErrorCode VecNorm(Vec x,PetscReal *r) = VecNorm(x,NORM_2,r)
194 
195 .seealso: PetscPolymorphicFunction()
196 
197 M*/
198 #define PetscPolymorphicSubroutine(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {return A C;}
199 
200 /*MC
201       PetscPolymorphicScalar - allows defining a C++ polymorphic version of
202             a PETSc function that replaces a PetscScalar * argument with a PetscScalar argument
203 
204      Not collective
205 
206    Synopsis:
207    PetscPolymorphicScalar(Functionname,(arguments of C++ function),(arguments of C function))
208 
209    Level: developer
210 
211     Example:
212       PetscPolymorphicScalar(VecAXPY,(PetscScalar _val,Vec x,Vec y),(&_Val,x,y)) generates the new routine
213            PetscErrorCode VecAXPY(PetscScalar _val,Vec x,Vec y) = {PetscScalar _Val = _val; return VecAXPY(&_Val,x,y);}
214 
215 .seealso: PetscPolymorphicFunction(),PetscPolymorphicSubroutine()
216 
217 M*/
218 #define PetscPolymorphicScalar(A,B,C) PETSC_STATIC_INLINE PetscErrorCode A B {PetscScalar _Val = _val; return A C;}
219 
220 /*MC
221       PetscPolymorphicFunction - allows defining a C++ polymorphic version of
222             a PETSc function that remove certain optional arguments for a simplier user interface
223             and returns the computed value (istead of an error code)
224 
225      Not collective
226 
227    Synopsis:
228    PetscPolymorphicFunction(Functionname,(arguments of C++ function),(arguments of C function),return type,return variable name)
229 
230    Level: developer
231 
232     Example:
233       PetscPolymorphicFunction(VecNorm,(Vec x,NormType t),(x,t,&r),PetscReal,r) generates the new routine
234          PetscReal VecNorm(Vec x,NormType t) = {PetscReal r; VecNorm(x,t,&r); return r;}
235 
236 .seealso: PetscPolymorphicSubroutine()
237 
238 M*/
239 #define PetscPolymorphicFunction(A,B,C,D,E) PETSC_STATIC_INLINE D A B {D E; A C;return E;}
240 
241 #else
242 #define PetscPolymorphicSubroutine(A,B,C)
243 #define PetscPolymorphicScalar(A,B,C)
244 #define PetscPolymorphicFunction(A,B,C,D,E)
245 #endif
246 
247 /*
248     Extern indicates a PETSc function defined elsewhere
249 */
250 #if !defined(EXTERN)
251 #define EXTERN extern
252 #endif
253 
254 /*
255     Defines some elementary mathematics functions and constants.
256 */
257 #include "petscmath.h"
258 
259 /*
260     Declare extern C stuff after including external header files
261 */
262 
263 PETSC_EXTERN_CXX_BEGIN
264 
265 /*
266        Basic PETSc constants
267 */
268 
269 /*E
270     PetscTruth - Logical variable. Actually an integer
271 
272    Level: beginner
273 
274 E*/
275 typedef enum { PETSC_FALSE,PETSC_TRUE } PetscTruth;
276 extern const char *PetscTruths[];
277 
278 /*MC
279     PETSC_FALSE - False value of PetscTruth
280 
281     Level: beginner
282 
283     Note: Zero integer
284 
285 .seealso: PetscTruth
286 M*/
287 
288 /*MC
289     PETSC_TRUE - True value of PetscTruth
290 
291     Level: beginner
292 
293     Note: Nonzero integer
294 
295 .seealso: PetscTruth
296 M*/
297 
298 /*MC
299     PETSC_YES - Alias for PETSC_TRUE
300 
301     Level: beginner
302 
303     Note: Zero integer
304 
305 .seealso: PetscTruth
306 M*/
307 #define PETSC_YES            PETSC_TRUE
308 
309 /*MC
310     PETSC_NO - Alias for PETSC_FALSE
311 
312     Level: beginner
313 
314     Note: Nonzero integer
315 
316 .seealso: PetscTruth
317 M*/
318 #define PETSC_NO             PETSC_FALSE
319 
320 /*MC
321     PETSC_NULL - standard way of passing in a null or array or pointer
322 
323    Level: beginner
324 
325    Notes: accepted by many PETSc functions to not set a parameter and instead use
326           some default
327 
328           This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER,
329           PETSC_NULL_DOUBLE_PRECISION etc
330 
331 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE
332 
333 M*/
334 #define PETSC_NULL           0
335 
336 /*MC
337     PETSC_DECIDE - standard way of passing in integer or floating point parameter
338        where you wish PETSc to use the default.
339 
340    Level: beginner
341 
342 .seealso: PETSC_NULL, PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE
343 
344 M*/
345 #define PETSC_DECIDE         -1
346 
347 /*MC
348     PETSC_DEFAULT - standard way of passing in integer or floating point parameter
349        where you wish PETSc to use the default.
350 
351    Level: beginner
352 
353 .seealso: PETSC_DECIDE, PETSC_NULL, PETSC_IGNORE, PETSC_DETERMINE
354 
355 M*/
356 #define PETSC_DEFAULT        -2
357 
358 
359 /*MC
360     PETSC_IGNORE - same as PETSC_NULL, means PETSc will ignore this argument
361 
362    Level: beginner
363 
364    Notes: accepted by many PETSc functions to not set a parameter and instead use
365           some default
366 
367           This macro does not exist in Fortran; you must use PETSC_NULL_INTEGER,
368           PETSC_NULL_DOUBLE_PRECISION etc
369 
370 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_NULL, PETSC_DETERMINE
371 
372 M*/
373 #define PETSC_IGNORE         PETSC_NULL
374 
375 /*MC
376     PETSC_DETERMINE - standard way of passing in integer or floating point parameter
377        where you wish PETSc to compute the required value.
378 
379    Level: beginner
380 
381 .seealso: PETSC_DECIDE, PETSC_DEFAULT, PETSC_IGNORE, PETSC_NULL, VecSetSizes()
382 
383 M*/
384 #define PETSC_DETERMINE      PETSC_DECIDE
385 
386 /*MC
387     PETSC_COMM_WORLD - the equivalent of the MPI_COMM_WORLD communicator which represents
388            all the processs that PETSc knows about.
389 
390    Level: beginner
391 
392    Notes: By default PETSC_COMM_WORLD and MPI_COMM_WORLD are identical unless you wish to
393           run PETSc on ONLY a subset of MPI_COMM_WORLD. In that case create your new (smaller)
394           communicator, call it, say comm, and set PETSC_COMM_WORLD = comm BEFORE calling
395           PetscInitialize()
396 
397 .seealso: PETSC_COMM_SELF
398 
399 M*/
400 extern MPI_Comm PETSC_COMM_WORLD;
401 
402 /*MC
403     PETSC_COMM_SELF - a duplicate of the MPI_COMM_SELF communicator which represents
404            the current process
405 
406    Level: beginner
407 
408    Notes: PETSC_COMM_SELF and MPI_COMM_SELF are equivalent.
409 
410 .seealso: PETSC_COMM_WORLD
411 
412 M*/
413 #define PETSC_COMM_SELF MPI_COMM_SELF
414 
415 extern PETSC_DLLEXPORT PetscTruth PetscInitializeCalled;
416 extern PETSC_DLLEXPORT PetscTruth PetscFinalizeCalled;
417 
418 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetHelpVersionFunctions(PetscErrorCode (*)(MPI_Comm),PetscErrorCode (*)(MPI_Comm));
419 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommDuplicate(MPI_Comm,MPI_Comm*,int*);
420 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommDestroy(MPI_Comm*);
421 
422 /*MC
423    PetscMalloc - Allocates memory
424 
425    Input Parameter:
426 .  m - number of bytes to allocate
427 
428    Output Parameter:
429 .  result - memory allocated
430 
431    Synopsis:
432    PetscErrorCode PetscMalloc(size_t m,void **result)
433 
434    Level: beginner
435 
436    Notes: Memory is always allocated at least double aligned
437 
438           If you request memory of zero size it will allocate no space and assign the pointer to 0; PetscFree() will
439           properly handle not freeing the null pointer.
440 
441 .seealso: PetscFree(), PetscNew()
442 
443   Concepts: memory allocation
444 
445 M*/
446 #define PetscMalloc(a,b)  ((a != 0) ? (*PetscTrMalloc)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__,(void**)(b)) : (*(b) = 0,0) )
447 
448 /*MC
449    PetscMalloc2 - Allocates 2 chunks of  memory
450 
451    Input Parameter:
452 +  m1 - number of elements to allocate in 1st chunk  (may be zero)
453 .  t1 - type of first memory elements
454 .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
455 -  t2 - type of second memory elements
456 
457    Output Parameter:
458 +  r1 - memory allocated in first chunk
459 -  r2 - memory allocated in second chunk
460 
461    Synopsis:
462    PetscErrorCode PetscMalloc2(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2)
463 
464    Level: developer
465 
466    Notes: Memory of first chunk is always allocated at least double aligned
467 
468 .seealso: PetscFree(), PetscNew(), PetscMalloc()
469 
470   Concepts: memory allocation
471 
472 M*/
473 #if defined(PETSC_USE_DEBUG)
474 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2))
475 #else
476 #define PetscMalloc2(m1,t1,r1,m2,t2,r2) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2),r1) || (*(r2) = (t2*)(*(r1)+m1),0))
477 #endif
478 
479 /*MC
480    PetscMalloc3 - Allocates 3 chunks of  memory
481 
482    Input Parameter:
483 +  m1 - number of elements to allocate in 1st chunk  (may be zero)
484 .  t1 - type of first memory elements
485 .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
486 .  t2 - type of second memory elements
487 .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
488 -  t3 - type of third memory elements
489 
490    Output Parameter:
491 +  r1 - memory allocated in first chunk
492 .  r2 - memory allocated in second chunk
493 -  r3 - memory allocated in third chunk
494 
495    Synopsis:
496    PetscErrorCode PetscMalloc3(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3)
497 
498    Level: developer
499 
500    Notes: Memory of first chunk is always allocated at least double aligned
501 
502 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3()
503 
504   Concepts: memory allocation
505 
506 M*/
507 #if defined(PETSC_USE_DEBUG)
508 #define PetscMalloc3(m1,t1,r1,m2,t2,r2,m3,t3,r3) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3))
509 #else
510 #define PetscMalloc3(m1,t1,r1,m2,t2,r2,m3,t3,r3) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),0))
511 #endif
512 
513 /*MC
514    PetscMalloc4 - Allocates 4 chunks of  memory
515 
516    Input Parameter:
517 +  m1 - number of elements to allocate in 1st chunk  (may be zero)
518 .  t1 - type of first memory elements
519 .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
520 .  t2 - type of second memory elements
521 .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
522 .  t3 - type of third memory elements
523 .  m4 - number of elements to allocate in 4th chunk  (may be zero)
524 -  t4 - type of fourth memory elements
525 
526    Output Parameter:
527 +  r1 - memory allocated in first chunk
528 .  r2 - memory allocated in second chunk
529 .  r3 - memory allocated in third chunk
530 -  r4 - memory allocated in fourth chunk
531 
532    Synopsis:
533    PetscErrorCode PetscMalloc4(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4)
534 
535    Level: developer
536 
537    Notes: Memory of first chunk is always allocated at least double aligned
538 
539 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4()
540 
541   Concepts: memory allocation
542 
543 M*/
544 #if defined(PETSC_USE_DEBUG)
545 #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4))
546 #else
547 #define PetscMalloc4(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),0))
548 #endif
549 
550 /*MC
551    PetscMalloc5 - Allocates 5 chunks of  memory
552 
553    Input Parameter:
554 +  m1 - number of elements to allocate in 1st chunk  (may be zero)
555 .  t1 - type of first memory elements
556 .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
557 .  t2 - type of second memory elements
558 .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
559 .  t3 - type of third memory elements
560 .  m4 - number of elements to allocate in 4th chunk  (may be zero)
561 .  t4 - type of fourth memory elements
562 .  m5 - number of elements to allocate in 5th chunk  (may be zero)
563 -  t5 - type of fifth memory elements
564 
565    Output Parameter:
566 +  r1 - memory allocated in first chunk
567 .  r2 - memory allocated in second chunk
568 .  r3 - memory allocated in third chunk
569 .  r4 - memory allocated in fourth chunk
570 -  r5 - memory allocated in fifth chunk
571 
572    Synopsis:
573    PetscErrorCode PetscMalloc5(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5)
574 
575    Level: developer
576 
577    Notes: Memory of first chunk is always allocated at least double aligned
578 
579 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5()
580 
581   Concepts: memory allocation
582 
583 M*/
584 #if defined(PETSC_USE_DEBUG)
585 #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5))
586 #else
587 #define PetscMalloc5(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),*(r5) = (t5*)(*(r4)+m4),0))
588 #endif
589 
590 
591 /*MC
592    PetscMalloc6 - Allocates 6 chunks of  memory
593 
594    Input Parameter:
595 +  m1 - number of elements to allocate in 1st chunk  (may be zero)
596 .  t1 - type of first memory elements
597 .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
598 .  t2 - type of second memory elements
599 .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
600 .  t3 - type of third memory elements
601 .  m4 - number of elements to allocate in 4th chunk  (may be zero)
602 .  t4 - type of fourth memory elements
603 .  m5 - number of elements to allocate in 5th chunk  (may be zero)
604 .  t5 - type of fifth memory elements
605 .  m6 - number of elements to allocate in 6th chunk  (may be zero)
606 -  t6 - type of sixth memory elements
607 
608    Output Parameter:
609 +  r1 - memory allocated in first chunk
610 .  r2 - memory allocated in second chunk
611 .  r3 - memory allocated in third chunk
612 .  r4 - memory allocated in fourth chunk
613 .  r5 - memory allocated in fifth chunk
614 -  r6 - memory allocated in sixth chunk
615 
616    Synopsis:
617    PetscErrorCode PetscMalloc6(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5,size_t m6,type t6,void **r6)
618 
619    Level: developer
620 
621    Notes: Memory of first chunk is always allocated at least double aligned
622 
623 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6()
624 
625   Concepts: memory allocation
626 
627 M*/
628 #if defined(PETSC_USE_DEBUG)
629 #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5) || PetscMalloc((m6)*sizeof(t6),r6))
630 #else
631 #define PetscMalloc6(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),*(r5) = (t5*)(*(r4)+m4),*(r6) = (t6*)(*(r5)+m5),0))
632 #endif
633 
634 /*MC
635    PetscMalloc7 - Allocates 7 chunks of  memory
636 
637    Input Parameter:
638 +  m1 - number of elements to allocate in 1st chunk  (may be zero)
639 .  t1 - type of first memory elements
640 .  m2 - number of elements to allocate in 2nd chunk  (may be zero)
641 .  t2 - type of second memory elements
642 .  m3 - number of elements to allocate in 3rd chunk  (may be zero)
643 .  t3 - type of third memory elements
644 .  m4 - number of elements to allocate in 4th chunk  (may be zero)
645 .  t4 - type of fourth memory elements
646 .  m5 - number of elements to allocate in 5th chunk  (may be zero)
647 .  t5 - type of fifth memory elements
648 .  m6 - number of elements to allocate in 6th chunk  (may be zero)
649 .  t6 - type of sixth memory elements
650 .  m7 - number of elements to allocate in 7th chunk  (may be zero)
651 -  t7 - type of sixth memory elements
652 
653    Output Parameter:
654 +  r1 - memory allocated in first chunk
655 .  r2 - memory allocated in second chunk
656 .  r3 - memory allocated in third chunk
657 .  r4 - memory allocated in fourth chunk
658 .  r5 - memory allocated in fifth chunk
659 .  r6 - memory allocated in sixth chunk
660 -  r7 - memory allocated in sixth chunk
661 
662    Synopsis:
663    PetscErrorCode PetscMalloc7(size_t m1,type, t1,void **r1,size_t m2,type t2,void **r2,size_t m3,type t3,void **r3,size_t m4,type t4,void **r4,size_t m5,type t5,void **r5,size_t m6,type t6,void **r6,size_t m7,type t7,void **r7)
664 
665    Level: developer
666 
667    Notes: Memory of first chunk is always allocated at least double aligned
668 
669 .seealso: PetscFree(), PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree3(), PetscFree4(), PetscFree5(), PetscFree6(), PetscFree7()
670 
671   Concepts: memory allocation
672 
673 M*/
674 #if defined(PETSC_USE_DEBUG)
675 #define PetscMalloc7(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6,m7,t7,r7) (PetscMalloc((m1)*sizeof(t1),r1) || PetscMalloc((m2)*sizeof(t2),r2) || PetscMalloc((m3)*sizeof(t3),r3) || PetscMalloc((m4)*sizeof(t4),r4) || PetscMalloc((m5)*sizeof(t5),r5) || PetscMalloc((m6)*sizeof(t6),r6) || PetscMalloc((m7)*sizeof(t7),r7))
676 #else
677 #define PetscMalloc7(m1,t1,r1,m2,t2,r2,m3,t3,r3,m4,t4,r4,m5,t5,r5,m6,t6,r6,m7,t7,r7) (PetscMalloc((m1)*sizeof(t1)+(m2)*sizeof(t2)+(m3)*sizeof(t3)+(m4)*sizeof(t4)+(m5)*sizeof(t5)+(m6)*sizeof(t6)+(m7)*sizeof(t7),r1) || (*(r2) = (t2*)(*(r1)+m1),*(r3) = (t3*)(*(r2)+m2),*(r4) = (t4*)(*(r3)+m3),*(r5) = (t5*)(*(r4)+m4),*(r6) = (t6*)(*(r5)+m5),*(r7) = (t7*)(*(r6)+m6),0))
678 #endif
679 
680 /*MC
681    PetscNew - Allocates memory of a particular type, zeros the memory!
682 
683    Input Parameter:
684 .  type - structure name of space to be allocated. Memory of size sizeof(type) is allocated
685 
686    Output Parameter:
687 .  result - memory allocated
688 
689    Synopsis:
690    PetscErrorCode PetscNew(struct type,((type *))result)
691 
692    Level: beginner
693 
694 .seealso: PetscFree(), PetscMalloc()
695 
696   Concepts: memory allocation
697 
698 M*/
699 #define PetscNew(A,b)        (PetscMalloc(sizeof(A),(b)) || PetscMemzero(*(b),sizeof(A)))
700 
701 /*MC
702    PetscFree - Frees memory
703 
704    Input Parameter:
705 .   memory - memory to free (the pointer is ALWAYS set to 0 upon sucess)
706 
707    Synopsis:
708    PetscErrorCode PetscFree(void *memory)
709 
710    Level: beginner
711 
712    Notes: Memory must have been obtained with PetscNew() or PetscMalloc()
713 
714 .seealso: PetscNew(), PetscMalloc(), PetscFreeVoid()
715 
716   Concepts: memory allocation
717 
718 M*/
719 #define PetscFree(a)   ((a) ? ((*PetscTrFree)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__) || ((a = 0),0)) : 0)
720 
721 /*MC
722    PetscFreeVoid - Frees memory
723 
724    Input Parameter:
725 .   memory - memory to free
726 
727    Synopsis:
728    void PetscFreeVoid(void *memory)
729 
730    Level: beginner
731 
732    Notes: This is different from PetscFree() in that no error code is returned
733 
734 .seealso: PetscFree(), PetscNew(), PetscMalloc()
735 
736   Concepts: memory allocation
737 
738 M*/
739 #define PetscFreeVoid(a) ((*PetscTrFree)((a),__LINE__,__FUNCT__,__FILE__,__SDIR__),(a) = 0)
740 
741 
742 /*MC
743    PetscFree2 - Frees 2 chunks of memory obtained with PetscMalloc2()
744 
745    Input Parameter:
746 +   memory1 - memory to free
747 -   memory2 - 2nd memory to free
748 
749 
750    Synopsis:
751    PetscErrorCode PetscFree2(void *memory1,void *memory2)
752 
753    Level: developer
754 
755    Notes: Memory must have been obtained with PetscMalloc2()
756 
757 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree()
758 
759   Concepts: memory allocation
760 
761 M*/
762 #if defined(PETSC_USE_DEBUG)
763 #define PetscFree2(m1,m2)   (PetscFree(m2) || PetscFree(m1))
764 #else
765 #define PetscFree2(m1,m2)   (PetscFree(m1))
766 #endif
767 
768 /*MC
769    PetscFree3 - Frees 3 chunks of memory obtained with PetscMalloc3()
770 
771    Input Parameter:
772 +   memory1 - memory to free
773 .   memory2 - 2nd memory to free
774 -   memory3 - 3rd memory to free
775 
776 
777    Synopsis:
778    PetscErrorCode PetscFree3(void *memory1,void *memory2,void *memory3)
779 
780    Level: developer
781 
782    Notes: Memory must have been obtained with PetscMalloc3()
783 
784 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3()
785 
786   Concepts: memory allocation
787 
788 M*/
789 #if defined(PETSC_USE_DEBUG)
790 #define PetscFree3(m1,m2,m3)   (PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
791 #else
792 #define PetscFree3(m1,m2,m3)   (PetscFree(m1))
793 #endif
794 
795 /*MC
796    PetscFree4 - Frees 4 chunks of memory obtained with PetscMalloc4()
797 
798    Input Parameter:
799 +   m1 - memory to free
800 .   m2 - 2nd memory to free
801 .   m3 - 3rd memory to free
802 -   m4 - 4th memory to free
803 
804 
805    Synopsis:
806    PetscErrorCode PetscFree4(void *m1,void *m2,void *m3,void *m4)
807 
808    Level: developer
809 
810    Notes: Memory must have been obtained with PetscMalloc4()
811 
812 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4()
813 
814   Concepts: memory allocation
815 
816 M*/
817 #if defined(PETSC_USE_DEBUG)
818 #define PetscFree4(m1,m2,m3,m4)   (PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
819 #else
820 #define PetscFree4(m1,m2,m3,m4)   (PetscFree(m1))
821 #endif
822 
823 /*MC
824    PetscFree5 - Frees 5 chunks of memory obtained with PetscMalloc5()
825 
826    Input Parameter:
827 +   m1 - memory to free
828 .   m2 - 2nd memory to free
829 .   m3 - 3rd memory to free
830 .   m4 - 4th memory to free
831 -   m5 - 5th memory to free
832 
833 
834    Synopsis:
835    PetscErrorCode PetscFree5(void *m1,void *m2,void *m3,void *m4,void *m5)
836 
837    Level: developer
838 
839    Notes: Memory must have been obtained with PetscMalloc5()
840 
841 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5()
842 
843   Concepts: memory allocation
844 
845 M*/
846 #if defined(PETSC_USE_DEBUG)
847 #define PetscFree5(m1,m2,m3,m4,m5)   (PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
848 #else
849 #define PetscFree5(m1,m2,m3,m4,m5)   (PetscFree(m1))
850 #endif
851 
852 
853 /*MC
854    PetscFree6 - Frees 6 chunks of memory obtained with PetscMalloc6()
855 
856    Input Parameter:
857 +   m1 - memory to free
858 .   m2 - 2nd memory to free
859 .   m3 - 3rd memory to free
860 .   m4 - 4th memory to free
861 .   m5 - 5th memory to free
862 -   m6 - 6th memory to free
863 
864 
865    Synopsis:
866    PetscErrorCode PetscFree6(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6)
867 
868    Level: developer
869 
870    Notes: Memory must have been obtained with PetscMalloc6()
871 
872 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6()
873 
874   Concepts: memory allocation
875 
876 M*/
877 #if defined(PETSC_USE_DEBUG)
878 #define PetscFree6(m1,m2,m3,m4,m5,m6)   (PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
879 #else
880 #define PetscFree6(m1,m2,m3,m4,m5,m6)   (PetscFree(m1))
881 #endif
882 
883 /*MC
884    PetscFree7 - Frees 7 chunks of memory obtained with PetscMalloc7()
885 
886    Input Parameter:
887 +   m1 - memory to free
888 .   m2 - 2nd memory to free
889 .   m3 - 3rd memory to free
890 .   m4 - 4th memory to free
891 .   m5 - 5th memory to free
892 .   m6 - 6th memory to free
893 -   m7 - 7th memory to free
894 
895 
896    Synopsis:
897    PetscErrorCode PetscFree7(void *m1,void *m2,void *m3,void *m4,void *m5,void *m6,void *m7)
898 
899    Level: developer
900 
901    Notes: Memory must have been obtained with PetscMalloc7()
902 
903 .seealso: PetscNew(), PetscMalloc(), PetscMalloc2(), PetscFree(), PetscMalloc3(), PetscMalloc4(), PetscMalloc5(), PetscMalloc6(),
904           PetscMalloc7()
905 
906   Concepts: memory allocation
907 
908 M*/
909 #if defined(PETSC_USE_DEBUG)
910 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7)   (PetscFree(m7) || PetscFree(m6) || PetscFree(m5) || PetscFree(m4) || PetscFree(m3) || PetscFree(m2) || PetscFree(m1))
911 #else
912 #define PetscFree7(m1,m2,m3,m4,m5,m6,m7)   (PetscFree(m1))
913 #endif
914 
915 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscTrMalloc)(size_t,int,const char[],const char[],const char[],void**);
916 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscTrFree)(void*,int,const char[],const char[],const char[]);
917 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSetMalloc(PetscErrorCode (*)(size_t,int,const char[],const char[],const char[],void**),PetscErrorCode (*)(void*,int,const char[],const char[],const char[]));
918 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscClearMalloc(void);
919 
920 /*
921    Routines for tracing memory corruption/bleeding with default PETSc
922    memory allocation
923 */
924 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocDump(FILE *);
925 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocDumpLog(FILE *);
926 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocGetCurrentUsage(PetscLogDouble *);
927 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocGetMaximumUsage(PetscLogDouble *);
928 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocDebug(PetscTruth);
929 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocValidate(int,const char[],const char[],const char[]);
930 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMallocSetDumpLog(void);
931 
932 
933 /*
934     Variable type where we stash PETSc object pointers in Fortran.
935     On most machines size(pointer) == sizeof(long) - except windows
936     where its sizeof(long long)
937 */
938 
939 #if (PETSC_SIZEOF_VOID_P) == (PETSC_SIZEOF_LONG)
940 #define PetscFortranAddr   long
941 #elif  (PETSC_SIZEOF_VOID_P) == (PETSC_SIZEOF_LONG_LONG)
942 #define PetscFortranAddr   long long
943 #else
944 #error "Unknown size for PetscFortranAddr! Send us a bugreport at petsc-maint@mcs.anl.gov"
945 #endif
946 
947 /*E
948     PetscDataType - Used for handling different basic data types.
949 
950    Level: beginner
951 
952 .seealso: PetscBinaryRead(), PetscBinaryWrite(), PetscDataTypeToMPIDataType(),
953           PetscDataTypeGetSize()
954 
955 E*/
956 typedef enum {PETSC_INT = 0,PETSC_DOUBLE = 1,PETSC_COMPLEX = 2, PETSC_LONG = 3 ,PETSC_SHORT = 4,PETSC_FLOAT = 5,
957               PETSC_CHAR = 6,PETSC_LOGICAL = 7,PETSC_ENUM = 8,PETSC_TRUTH=9, PETSC_LONG_DOUBLE = 10} PetscDataType;
958 extern const char *PetscDataTypes[];
959 
960 #if defined(PETSC_USE_COMPLEX)
961 #define PETSC_SCALAR PETSC_COMPLEX
962 #else
963 #if defined(PETSC_USE_SINGLE)
964 #define PETSC_SCALAR PETSC_FLOAT
965 #elif defined(PETSC_USE_LONG_DOUBLE)
966 #define PETSC_SCALAR PETSC_LONG_DOUBLE
967 #elif defined(PETSC_USE_INT)
968 #define PETSC_SCALAR PETSC_INT
969 #else
970 #define PETSC_SCALAR PETSC_DOUBLE
971 #endif
972 #endif
973 #if defined(PETSC_USE_SINGLE)
974 #define PETSC_REAL PETSC_FLOAT
975 #elif defined(PETSC_USE_LONG_DOUBLE)
976 #define PETSC_REAL PETSC_LONG_DOUBLE
977 #elif defined(PETSC_USE_INT)
978 #define PETSC_REAL PETSC_INT
979 #else
980 #define PETSC_REAL PETSC_DOUBLE
981 #endif
982 #define PETSC_FORTRANADDR PETSC_LONG
983 
984 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDataTypeToMPIDataType(PetscDataType,MPI_Datatype*);
985 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDataTypeGetSize(PetscDataType,PetscInt*);
986 
987 /*
988     Basic memory and string operations. These are usually simple wrappers
989    around the basic Unix system calls, but a few of them have additional
990    functionality and/or error checking.
991 */
992 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMemcpy(void*,const void *,size_t);
993 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscBitMemcpy(void*,PetscInt,const void*,PetscInt,PetscInt,PetscDataType);
994 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMemmove(void*,void *,size_t);
995 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMemzero(void*,size_t);
996 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscMemcmp(const void*,const void*,size_t,PetscTruth *);
997 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrlen(const char[],size_t*);
998 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrcmp(const char[],const char[],PetscTruth *);
999 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrgrt(const char[],const char[],PetscTruth *);
1000 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrcasecmp(const char[],const char[],PetscTruth*);
1001 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrncmp(const char[],const char[],size_t,PetscTruth*);
1002 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrcpy(char[],const char[]);
1003 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrcat(char[],const char[]);
1004 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrncat(char[],const char[],size_t);
1005 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrncpy(char[],const char[],size_t);
1006 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrchr(const char[],char,char *[]);
1007 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrtolower(char[]);
1008 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrrchr(const char[],char,char *[]);
1009 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrstr(const char[],const char[],char *[]);
1010 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrrstr(const char[],const char[],char *[]);
1011 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrallocpy(const char[],char *[]);
1012 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscStrreplace(MPI_Comm,const char[],char[],size_t);
1013 #define      PetscStrfree(a) ((a) ? PetscFree(a) : 0)
1014 
1015 /*S
1016     PetscToken - 'Token' used for managing tokenizing strings
1017 
1018   Level: intermediate
1019 
1020 .seealso: PetscTokenCreate(), PetscTokenFind(), PetscTokenDestroy()
1021 S*/
1022 typedef struct {char token;char *array;char *current;} PetscToken;
1023 
1024 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscTokenCreate(const char[],const char,PetscToken**);
1025 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscTokenFind(PetscToken*,char *[]);
1026 EXTERN PetscErrorCode PETSC_DLLEXPORT   PetscTokenDestroy(PetscToken*);
1027 
1028 /*
1029    These are  MPI operations for MPI_Allreduce() etc
1030 */
1031 EXTERN PETSC_DLLEXPORT MPI_Op PetscMaxSum_Op;
1032 #if defined(PETSC_USE_COMPLEX)
1033 EXTERN PETSC_DLLEXPORT MPI_Op PetscSum_Op;
1034 #else
1035 #define PetscSum_Op MPI_SUM
1036 #endif
1037 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMaxSum(MPI_Comm,const PetscInt[],PetscInt*,PetscInt*);
1038 
1039 /*S
1040      PetscObject - any PETSc object, PetscViewer, Mat, Vec, KSP etc
1041 
1042    Level: beginner
1043 
1044    Note: This is the base class from which all objects appear.
1045 
1046 .seealso:  PetscObjectDestroy(), PetscObjectView(), PetscObjectGetName(), PetscObjectSetName()
1047 S*/
1048 typedef struct _p_PetscObject* PetscObject;
1049 
1050 /*S
1051      PetscFList - Linked list of functions, possibly stored in dynamic libraries, accessed
1052       by string name
1053 
1054    Level: advanced
1055 
1056 .seealso:  PetscFListAdd(), PetscFListDestroy()
1057 S*/
1058 typedef struct _n_PetscFList *PetscFList;
1059 
1060 /*E
1061   PetscFileMode - Access mode for a file.
1062 
1063   Level: beginner
1064 
1065   FILE_MODE_READ - open a file at its beginning for reading
1066 
1067   FILE_MODE_WRITE - open a file at its beginning for writing (will create if the file does not exist)
1068 
1069   FILE_MODE_APPEND - open a file at end for writing
1070 
1071   FILE_MODE_UPDATE - open a file for updating, meaning for reading and writing
1072 
1073   FILE_MODE_APPEND_UPDATE - open a file for updating, meaning for reading and writing, at the end
1074 
1075 .seealso: PetscViewerFileSetMode()
1076 E*/
1077 typedef enum {FILE_MODE_READ, FILE_MODE_WRITE, FILE_MODE_APPEND, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE} PetscFileMode;
1078 
1079 #include "petscviewer.h"
1080 #include "petscoptions.h"
1081 
1082 #define PETSC_SMALLEST_COOKIE 1211211
1083 extern PETSC_DLLEXPORT PetscCookie PETSC_LARGEST_COOKIE;
1084 extern PETSC_DLLEXPORT PetscCookie PETSC_OBJECT_COOKIE;
1085 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCookieRegister(PetscCookie *);
1086 
1087 /*
1088    Routines that get memory usage information from the OS
1089 */
1090 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryGetCurrentUsage(PetscLogDouble *);
1091 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryGetMaximumUsage(PetscLogDouble *);
1092 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemorySetGetMaximumUsage(void);
1093 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMemoryShowUsage(PetscViewer,const char[]);
1094 
1095 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInfoAllow(PetscTruth,const char []);
1096 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetTime(PetscLogDouble*);
1097 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetCPUTime(PetscLogDouble*);
1098 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSleep(int);
1099 
1100 /*
1101     Initialization of PETSc
1102 */
1103 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitialize(int*,char***,const char[],const char[]);
1104 PetscPolymorphicSubroutine(PetscInitialize,(int *argc,char ***args),(argc,args,PETSC_NULL,PETSC_NULL))
1105 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitializeNoArguments(void);
1106 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitialized(PetscTruth *);
1107 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFinalized(PetscTruth *);
1108 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFinalize(void);
1109 EXTERN PetscErrorCode PetscInitializeFortran(void);
1110 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArgs(int*,char ***);
1111 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscGetArguments(char ***args);
1112 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFreeArguments(char **args);
1113 
1114 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscEnd(void);
1115 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscInitializePackage(char *);
1116 
1117 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPMerge(PetscMPIInt);
1118 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPSpawn(PetscMPIInt);
1119 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPFinalize(void);
1120 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPRun(MPI_Comm,PetscErrorCode (*)(MPI_Comm,void *),void*);
1121 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPFree(MPI_Comm,void*);
1122 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOpenMPNew(MPI_Comm,size_t,void**);
1123 
1124 /*
1125      These are so that in extern C code we can caste function pointers to non-extern C
1126    function pointers. Since the regular C++ code expects its function pointers to be
1127    C++.
1128 */
1129 typedef void (**PetscVoidStarFunction)(void);
1130 typedef void (*PetscVoidFunction)(void);
1131 typedef PetscErrorCode (*PetscErrorCodeFunction)(void);
1132 
1133 /*
1134    PetscTryMethod - Queries an object for a method, if it exists then calls it.
1135               These are intended to be used only inside PETSc functions.
1136 */
1137 #define  PetscTryMethod(obj,A,B,C) \
1138   0;{ PetscErrorCode (*f)B, __ierr; \
1139     __ierr = PetscObjectQueryFunction((PetscObject)obj,#A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \
1140     if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\
1141   }
1142 #define  PetscUseMethod(obj,A,B,C) \
1143   0;{ PetscErrorCode (*f)B, __ierr; \
1144     __ierr = PetscObjectQueryFunction((PetscObject)obj,A,(PetscVoidStarFunction)&f);CHKERRQ(__ierr); \
1145     if (f) {__ierr = (*f)C;CHKERRQ(__ierr);}\
1146     else {SETERRQ1(PETSC_ERR_SUP,"Cannot locate function %s in object",A);} \
1147   }
1148 /*
1149     Functions that can act on any PETSc object.
1150 */
1151 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCreate(MPI_Comm,PetscObject*);
1152 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCreateGeneric(MPI_Comm, PetscCookie, const char [], PetscObject *);
1153 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectDestroy(PetscObject);
1154 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectExists(PetscObject,PetscTruth*);
1155 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetComm(PetscObject,MPI_Comm *);
1156 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetCookie(PetscObject,int *);
1157 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetType(PetscObject,const char []);
1158 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetType(PetscObject,const char *[]);
1159 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetName(PetscObject,const char[]);
1160 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetName(PetscObject,const char*[]);
1161 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectReference(PetscObject);
1162 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetReference(PetscObject,PetscInt*);
1163 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectDereference(PetscObject);
1164 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetNewTag(PetscObject,PetscMPIInt *);
1165 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectView(PetscObject,PetscViewer);
1166 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectCompose(PetscObject,const char[],PetscObject);
1167 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQuery(PetscObject,const char[],PetscObject *);
1168 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectComposeFunction(PetscObject,const char[],const char[],void (*)(void));
1169 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetFromOptions(PetscObject);
1170 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetUp(PetscObject);
1171 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommGetNewTag(MPI_Comm,PetscMPIInt *);
1172 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommSynchronizeTags(MPI_Comm);
1173 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscCommCheckTags(MPI_Comm);
1174 
1175 /*MC
1176    PetscObjectComposeFunctionDynamic - Associates a function with a given PETSc object.
1177 
1178    Collective on PetscObject
1179 
1180    Input Parameters:
1181 +  obj - the PETSc object; this must be cast with a (PetscObject), for example,
1182          PetscObjectCompose((PetscObject)mat,...);
1183 .  name - name associated with the child function
1184 .  fname - name of the function
1185 -  ptr - function pointer (or PETSC_NULL if using dynamic libraries)
1186 
1187    Level: advanced
1188 
1189     Synopsis:
1190     PetscErrorCode PetscObjectComposeFunctionDynamic(PetscObject obj,const char name[],const char fname[],void *ptr)
1191 
1192    Notes:
1193    To remove a registered routine, pass in a PETSC_NULL rname and fnc().
1194 
1195    PetscObjectComposeFunctionDynamic() can be used with any PETSc object (such as
1196    Mat, Vec, KSP, SNES, etc.) or any user-provided object.
1197 
1198    The composed function must be wrapped in a EXTERN_C_BEGIN/END for this to
1199    work in C++/complex with dynamic link libraries (config/configure.py options --with-shared --with-dynamic)
1200    enabled.
1201 
1202    Concepts: objects^composing functions
1203    Concepts: composing functions
1204    Concepts: functions^querying
1205    Concepts: objects^querying
1206    Concepts: querying objects
1207 
1208 .seealso: PetscObjectQueryFunction()
1209 M*/
1210 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
1211 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,0)
1212 #else
1213 #define PetscObjectComposeFunctionDynamic(a,b,c,d) PetscObjectComposeFunction(a,b,c,(PetscVoidFunction)(d))
1214 #endif
1215 
1216 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectQueryFunction(PetscObject,const char[],void (**)(void));
1217 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectSetOptionsPrefix(PetscObject,const char[]);
1218 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectAppendOptionsPrefix(PetscObject,const char[]);
1219 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectPrependOptionsPrefix(PetscObject,const char[]);
1220 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectGetOptionsPrefix(PetscObject,const char*[]);
1221 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectPublish(PetscObject);
1222 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectChangeTypeName(PetscObject,const char[]);
1223 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectRegisterDestroy(PetscObject);
1224 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectRegisterDestroyAll(void);
1225 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscObjectName(PetscObject);
1226 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTypeCompare(PetscObject,const char[],PetscTruth*);
1227 
1228 /*
1229     Defines PETSc error handling.
1230 */
1231 #include "petscerror.h"
1232 
1233 /*S
1234      PetscOList - Linked list of PETSc objects, accessable by string name
1235 
1236    Level: advanced
1237 
1238 .seealso:  PetscOListAdd(), PetscOListDestroy(), PetscOListFind()
1239 S*/
1240 typedef struct _n_PetscOList *PetscOList;
1241 
1242 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListDestroy(PetscOList *);
1243 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListFind(PetscOList,const char[],PetscObject*);
1244 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListReverseFind(PetscOList,PetscObject,char**);
1245 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListAdd(PetscOList *,const char[],PetscObject);
1246 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscOListDuplicate(PetscOList,PetscOList *);
1247 
1248 /*
1249     Dynamic library lists. Lists of names of routines in dynamic
1250   link libraries that will be loaded as needed.
1251 */
1252 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListAdd(PetscFList*,const char[],const char[],void (*)(void));
1253 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListDestroy(PetscFList*);
1254 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListFind(MPI_Comm,PetscFList,const char[],void (**)(void));
1255 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListPrintTypes(MPI_Comm,FILE*,const char[],const char[],const char[],const char[],PetscFList);
1256 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
1257 #define    PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,0)
1258 #else
1259 #define    PetscFListAddDynamic(a,b,p,c) PetscFListAdd(a,b,p,(void (*)(void))c)
1260 #endif
1261 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListDuplicate(PetscFList,PetscFList *);
1262 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListView(PetscFList,PetscViewer);
1263 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListConcat(const char [],const char [],char []);
1264 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscFListGet(PetscFList,char ***,int*);
1265 
1266 /*S
1267      PetscDLLibraryList - Linked list of dynamics libraries to search for functions
1268 
1269    Level: advanced
1270 
1271    --with-shared --with-dynamic must be used with config/configure.py to use dynamic libraries
1272 
1273 .seealso:  PetscDLLibraryOpen()
1274 S*/
1275 typedef struct _n_PetscDLLibraryList *PetscDLLibraryList;
1276 extern PetscDLLibraryList DLLibrariesLoaded;
1277 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryRetrieve(MPI_Comm,const char[],char *,int,PetscTruth *);
1278 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryOpen(MPI_Comm,const char[],void **);
1279 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibrarySym(MPI_Comm,PetscDLLibraryList *,const char[],const char[],void **);
1280 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryAppend(MPI_Comm,PetscDLLibraryList *,const char[]);
1281 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryPrepend(MPI_Comm,PetscDLLibraryList *,const char[]);
1282 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryClose(PetscDLLibraryList);
1283 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryPrintPath(void);
1284 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryGetInfo(void*,const char[],const char *[]);
1285 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDLLibraryCCAAppend(MPI_Comm,PetscDLLibraryList *,const char[]);
1286 
1287 /*
1288      Useful utility routines
1289 */
1290 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSplitOwnership(MPI_Comm,PetscInt*,PetscInt*);
1291 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSplitOwnershipBlock(MPI_Comm,PetscInt,PetscInt*,PetscInt*);
1292 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSequentialPhaseBegin(MPI_Comm,PetscMPIInt);
1293 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(MPI_Comm comm),(comm,1))
1294 PetscPolymorphicSubroutine(PetscSequentialPhaseBegin,(void),(PETSC_COMM_WORLD,1))
1295 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSequentialPhaseEnd(MPI_Comm,PetscMPIInt);
1296 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(MPI_Comm comm),(comm,1))
1297 PetscPolymorphicSubroutine(PetscSequentialPhaseEnd,(void),(PETSC_COMM_WORLD,1))
1298 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscBarrier(PetscObject);
1299 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscMPIDump(FILE*);
1300 
1301 #define PetscNot(a) ((a) ? PETSC_FALSE : PETSC_TRUE)
1302 /*
1303     Defines basic graphics available from PETSc.
1304 */
1305 #include "petscdraw.h"
1306 
1307 /*
1308     Defines the base data structures for all PETSc objects
1309 */
1310 #include "private/petscimpl.h"
1311 /*
1312      Defines PETSc profiling.
1313 */
1314 #include "petsclog.h"
1315 
1316 /*
1317           For locking, unlocking and destroying AMS memories associated with
1318     PETSc objects. Not currently used.
1319 */
1320 #define PetscPublishAll(v)           0
1321 #define PetscObjectTakeAccess(obj)   0
1322 #define PetscObjectGrantAccess(obj)  0
1323 #define PetscObjectDepublish(obj)    0
1324 
1325 
1326 
1327 /*
1328       This code allows one to pass a MPI communicator between
1329     C and Fortran. MPI 2.0 defines a standard API for doing this.
1330     The code here is provided to allow PETSc to work with MPI 1.1
1331     standard MPI libraries.
1332 */
1333 EXTERN PetscErrorCode MPICCommToFortranComm(MPI_Comm,int *);
1334 EXTERN PetscErrorCode MPIFortranCommToCComm(int,MPI_Comm*);
1335 
1336 /*
1337       Simple PETSc parallel IO for ASCII printing
1338 */
1339 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscFixFilename(const char[],char[]);
1340 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscFOpen(MPI_Comm,const char[],const char[],FILE**);
1341 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscFClose(MPI_Comm,FILE*);
1342 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4);
1343 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscPrintf(MPI_Comm,const char[],...)  PETSC_PRINTF_FORMAT_CHECK(2,3);
1344 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSNPrintf(char*,size_t,const char [],...);
1345 
1346 /* These are used internally by PETSc ASCII IO routines*/
1347 #include <stdarg.h>
1348 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscVSNPrintf(char*,size_t,const char[],va_list);
1349 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscVFPrintf(FILE*,const char[],va_list);
1350 
1351 /*MC
1352     PetscErrorPrintf - Prints error messages.
1353 
1354     Not Collective
1355 
1356    Synopsis:
1357      PetscErrorCode (*PetscErrorPrintf)(const char format[],...);
1358 
1359     Input Parameters:
1360 .   format - the usual printf() format string
1361 
1362    Options Database Keys:
1363 .    -error_output_stderr - cause error messages to be printed to stderr instead of the
1364          (default) stdout
1365 
1366 
1367    Level: developer
1368 
1369     Fortran Note:
1370     This routine is not supported in Fortran.
1371 
1372     Concepts: error messages^printing
1373     Concepts: printing^error messages
1374 
1375 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscHelpPrintf()
1376 M*/
1377 EXTERN PETSC_DLLEXPORT PetscErrorCode (*PetscErrorPrintf)(const char[],...);
1378 
1379 /*MC
1380     PetscHelpPrintf - Prints help messages.
1381 
1382     Not Collective
1383 
1384    Synopsis:
1385      PetscErrorCode (*PetscHelpPrintf)(const char format[],...);
1386 
1387     Input Parameters:
1388 .   format - the usual printf() format string
1389 
1390    Level: developer
1391 
1392     Fortran Note:
1393     This routine is not supported in Fortran.
1394 
1395     Concepts: help messages^printing
1396     Concepts: printing^help messages
1397 
1398 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscErrorPrintf()
1399 M*/
1400 EXTERN PETSC_DLLEXPORT PetscErrorCode  (*PetscHelpPrintf)(MPI_Comm,const char[],...);
1401 
1402 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscPOpen(MPI_Comm,const char[],const char[],const char[],FILE **);
1403 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscPClose(MPI_Comm,FILE*);
1404 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSynchronizedPrintf(MPI_Comm,const char[],...) PETSC_PRINTF_FORMAT_CHECK(2,3);
1405 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSynchronizedFPrintf(MPI_Comm,FILE*,const char[],...) PETSC_PRINTF_FORMAT_CHECK(3,4);
1406 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSynchronizedFlush(MPI_Comm);
1407 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscSynchronizedFGets(MPI_Comm,FILE*,size_t,char[]);
1408 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscStartMatlab(MPI_Comm,const char[],const char[],FILE**);
1409 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscStartJava(MPI_Comm,const char[],const char[],FILE**);
1410 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscGetPetscDir(const char*[]);
1411 
1412 EXTERN PetscErrorCode PETSC_DLLEXPORT  PetscPopUpSelect(MPI_Comm,char*,char*,int,char**,int*);
1413 
1414 /*S
1415      PetscContainer - Simple PETSc object that contains a pointer to any required data
1416 
1417    Level: advanced
1418 
1419 .seealso:  PetscObject, PetscContainerCreate()
1420 S*/
1421 extern PetscCookie PETSC_DLLEXPORT PETSC_CONTAINER_COOKIE;
1422 typedef struct _p_PetscContainer*  PetscContainer;
1423 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerGetPointer(PetscContainer,void **);
1424 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerSetPointer(PetscContainer,void *);
1425 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerDestroy(PetscContainer);
1426 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerCreate(MPI_Comm comm,PetscContainer *);
1427 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscContainerSetUserDestroy(PetscContainer, PetscErrorCode (*)(void*));
1428 
1429 /*
1430    For use in debuggers
1431 */
1432 extern PETSC_DLLEXPORT PetscMPIInt PetscGlobalRank;
1433 extern PETSC_DLLEXPORT PetscMPIInt PetscGlobalSize;
1434 
1435 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscIntView(PetscInt,PetscInt[],PetscViewer);
1436 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscRealView(PetscInt,PetscReal[],PetscViewer);
1437 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscScalarView(PetscInt,PetscScalar[],PetscViewer);
1438 
1439 /*
1440     Allows accessing Matlab Engine
1441 */
1442 #include "petscmatlab.h"
1443 
1444 /*
1445       Determine if some of the kernel computation routines use
1446    Fortran (rather than C) for the numerical calculations. On some machines
1447    and compilers (like complex numbers) the Fortran version of the routines
1448    is faster than the C/C++ versions. The flag --with-fortran-kernels
1449    should be used with config/configure.py to turn these on.
1450 */
1451 #if defined(PETSC_USE_FORTRAN_KERNELS)
1452 
1453 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCRL)
1454 #define PETSC_USE_FORTRAN_KERNEL_MULTCRL
1455 #endif
1456 
1457 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTCSRPERM)
1458 #define PETSC_USE_FORTRAN_KERNEL_MULTCSRPERM
1459 #endif
1460 
1461 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTAIJ)
1462 #define PETSC_USE_FORTRAN_KERNEL_MULTAIJ
1463 #endif
1464 
1465 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ)
1466 #define PETSC_USE_FORTRAN_KERNEL_MULTTRANSPOSEAIJ
1467 #endif
1468 
1469 #if !defined(PETSC_USE_FORTRAN_KERNEL_NORM)
1470 #define PETSC_USE_FORTRAN_KERNEL_NORM
1471 #endif
1472 
1473 #if !defined(PETSC_USE_FORTRAN_KERNEL_MAXPY)
1474 #define PETSC_USE_FORTRAN_KERNEL_MAXPY
1475 #endif
1476 
1477 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ)
1478 #define PETSC_USE_FORTRAN_KERNEL_SOLVEAIJ
1479 #endif
1480 
1481 #if !defined(PETSC_USE_FORTRAN_KERNEL_RELAXAIJ)
1482 #define PETSC_USE_FORTRAN_KERNEL_RELAXAIJ
1483 #endif
1484 
1485 #if !defined(PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ)
1486 #define PETSC_USE_FORTRAN_KERNEL_SOLVEBAIJ
1487 #endif
1488 
1489 #if !defined(PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ)
1490 #define PETSC_USE_FORTRAN_KERNEL_MULTADDAIJ
1491 #endif
1492 
1493 #if !defined(PETSC_USE_FORTRAN_KERNEL_MDOT)
1494 #define PETSC_USE_FORTRAN_KERNEL_MDOT
1495 #endif
1496 
1497 #if !defined(PETSC_USE_FORTRAN_KERNEL_XTIMESY)
1498 #define PETSC_USE_FORTRAN_KERNEL_XTIMESY
1499 #endif
1500 
1501 #if !defined(PETSC_USE_FORTRAN_KERNEL_AYPX)
1502 #define PETSC_USE_FORTRAN_KERNEL_AYPX
1503 #endif
1504 
1505 #if !defined(PETSC_USE_FORTRAN_KERNEL_WAXPY)
1506 #define PETSC_USE_FORTRAN_KERNEL_WAXPY
1507 #endif
1508 
1509 #endif
1510 
1511 /*
1512     Macros for indicating code that should be compiled with a C interface,
1513    rather than a C++ interface. Any routines that are dynamically loaded
1514    (such as the PCCreate_XXX() routines) must be wrapped so that the name
1515    mangler does not change the functions symbol name. This just hides the
1516    ugly extern "C" {} wrappers.
1517 */
1518 #if defined(__cplusplus)
1519 #define EXTERN_C_BEGIN extern "C" {
1520 #define EXTERN_C_END }
1521 #else
1522 #define EXTERN_C_BEGIN
1523 #define EXTERN_C_END
1524 #endif
1525 
1526 /* --------------------------------------------------------------------*/
1527 
1528 /*MC
1529     size - integer variable used to contain the number of processors in
1530            the relevent MPI_Comm
1531 
1532    Level: beginner
1533 
1534 .seealso: rank, comm
1535 M*/
1536 
1537 /*MC
1538     rank - integer variable used to contain the number of this processor relative
1539            to all in the relevent MPI_Comm
1540 
1541    Level: beginner
1542 
1543 .seealso: size, comm
1544 M*/
1545 
1546 /*MC
1547     comm - MPI_Comm used in the current routine or object
1548 
1549    Level: beginner
1550 
1551 .seealso: size, rank
1552 M*/
1553 
1554 /*MC
1555     MPI_Comm - the basic object used by MPI to determine which processes are involved in a
1556         communication
1557 
1558    Level: beginner
1559 
1560    Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm
1561 
1562 .seealso: size, rank, comm, PETSC_COMM_WORLD, PETSC_COMM_SELF
1563 M*/
1564 
1565 /*MC
1566     PetscScalar - PETSc type that represents either a double precision real number,
1567        a double precision complex number, a single precision real number, a long double or an int
1568        if the code is configured with --with-scalar-type=complex,float,longdouble,int
1569 
1570    Level: beginner
1571 
1572 .seealso: PetscReal, PassiveReal, PassiveScalar
1573 M*/
1574 
1575 /*MC
1576     PetscReal - PETSc type that represents a real number version of PetscScalar
1577 
1578    Level: beginner
1579 
1580 .seealso: PetscScalar, PassiveReal, PassiveScalar
1581 M*/
1582 
1583 /*MC
1584     PassiveScalar - PETSc type that represents a PetscScalar
1585    Level: beginner
1586 
1587     This is the same as a PetscScalar except in code that is automatically differentiated it is
1588    treated as a constant (not an indendent or dependent variable)
1589 
1590 .seealso: PetscReal, PassiveReal, PetscScalar
1591 M*/
1592 
1593 /*MC
1594     PassiveReal - PETSc type that represents a PetscReal
1595 
1596    Level: beginner
1597 
1598     This is the same as a PetscReal except in code that is automatically differentiated it is
1599    treated as a constant (not an indendent or dependent variable)
1600 
1601 .seealso: PetscScalar, PetscReal, PassiveScalar
1602 M*/
1603 
1604 /*MC
1605     MPIU_SCALAR - MPI datatype corresponding to PetscScalar
1606 
1607    Level: beginner
1608 
1609     Note: In MPI calls that require an MPI datatype that matches a PetscScalar or array of PetscScalars
1610           pass this value
1611 
1612 .seealso: PetscReal, PassiveReal, PassiveScalar, PetscScalar
1613 M*/
1614 
1615 /*
1616      The IBM include files define hz, here we hide it so that it may be used
1617    as a regular user variable.
1618 */
1619 #if defined(hz)
1620 #undef hz
1621 #endif
1622 
1623 /*  For arrays that contain filenames or paths */
1624 
1625 
1626 #if defined(PETSC_HAVE_LIMITS_H)
1627 #include <limits.h>
1628 #endif
1629 #if defined(PETSC_HAVE_SYS_PARAM_H)
1630 #include <sys/param.h>
1631 #endif
1632 #if defined(PETSC_HAVE_SYS_TYPES_H)
1633 #include <sys/types.h>
1634 #endif
1635 #if defined(MAXPATHLEN)
1636 #  define PETSC_MAX_PATH_LEN     MAXPATHLEN
1637 #elif defined(MAX_PATH)
1638 #  define PETSC_MAX_PATH_LEN     MAX_PATH
1639 #elif defined(_MAX_PATH)
1640 #  define PETSC_MAX_PATH_LEN     _MAX_PATH
1641 #else
1642 #  define PETSC_MAX_PATH_LEN     4096
1643 #endif
1644 
1645 PETSC_EXTERN_CXX_END
1646 #endif
1647 
1648 
1649