1 /* $Id: sys.h,v 1.34 1998/03/23 21:27:32 bsmith Exp bsmith $ */ 2 /* 3 Provides access to system related and general utility routines. 4 */ 5 #if !defined(__SYS_PACKAGE) 6 #define __SYS_PACKAGE 7 8 #include "petsc.h" 9 10 extern int PetscGetArchType(char *,int); 11 extern int PetscGetHostName(char *,int); 12 extern int PetscGetUserName(char *,int); 13 extern int PetscGetProgramName(char *,int); 14 extern int PetscSetProgramName(char *); 15 16 extern char *PetscGetDate(void); 17 18 extern int PetscSortInt(int,int*); 19 extern int PetscSortIntWithPermutation(int,int*,int*); 20 extern int PetscSortDouble(int,double*); 21 extern int PetscSortDoubleWithPermutation(int,double*,int*); 22 23 extern int PetscSetDisplay(void); 24 extern int PetscGetDisplay(char *,int); 25 26 #define PETSCRANDOM_COOKIE PETSC_COOKIE+19 27 28 typedef enum { RANDOM_DEFAULT, RANDOM_DEFAULT_REAL, 29 RANDOM_DEFAULT_IMAGINARY } PetscRandomType; 30 31 typedef struct _p_PetscRandom* PetscRandom; 32 33 extern int PetscRandomCreate(MPI_Comm,PetscRandomType,PetscRandom*); 34 extern int PetscRandomGetValue(PetscRandom,Scalar*); 35 extern int PetscRandomSetInterval(PetscRandom,Scalar,Scalar); 36 extern int PetscRandomDestroy(PetscRandom); 37 38 extern int PetscGetFullPath(char*,char*,int); 39 extern int PetscGetRelativePath(char*,char*,int); 40 extern int PetscGetWorkingDirectory(char *, int); 41 extern int PetscGetRealPath(char *,char*); 42 extern int PetscGetHomeDirectory(int,char*); 43 extern int PetscTestFile( char *, char,PetscTruth*); 44 extern int PetscBinaryRead(int,void*,int,PetscDataType); 45 extern int PetscBinaryWrite(int,void*,int,PetscDataType,int); 46 extern int PetscBinaryOpen(char *,int,int *); 47 extern int PetscBinaryClose(int); 48 49 /* 50 In binary files variables are stored using the following lengths, 51 regardless of how they are stored in memory on any one particular 52 machine. Use these rather then sizeof() in computing sizes for 53 PetscBinarySeek(). 54 */ 55 #define BINARY_INT_SIZE 32 56 #define BINARY_FLOAT_SIZE 32 57 #define BINARY_CHAR_SIZE 8 58 #define BINARY_SHORT_SIZE 16 59 #define BINARY_DOUBLE_SIZE 64 60 #define BINARY_SCALAR_SIZE sizeof(Scalar) 61 62 typedef enum {BINARY_SEEK_SET = 0, BINARY_SEEK_CUR = 1, BINARY_SEEK_END = 2} PetscBinarySeekType; 63 extern int PetscBinarySeek(int,int,PetscBinarySeekType); 64 65 extern int PetscSetDebugger(char *,int,char *); 66 extern int PetscAttachDebugger(void); 67 68 #endif 69 70