xref: /petsc/src/sys/tests/ex49f.F90 (revision fbf9dbe564678ed6eff1806adbc4c4f01b9743f4)
1!
2!  Test Fortran binding of sort routines
3!
4module ex49fmodule
5  use petsc
6#include "petsc/finclude/petsc.h"
7  implicit none
8  type uctx
9     PetscInt myint
10  end type uctx
11contains
12  subroutine CompareIntegers(a,b,ctx,res)
13    implicit none
14
15    PetscInt :: a,b
16    type(uctx) :: ctx
17    integer  :: res
18
19    if (a < b) then
20       res = -1
21    else if (a == b) then
22       res = 0
23    else
24       res = 1
25    end if
26    return
27  end subroutine CompareIntegers
28end module ex49fmodule
29
30program main
31
32  use ex49fmodule
33  implicit none
34
35  PetscErrorCode          ierr
36  PetscInt,parameter::    N=3
37  PetscMPIInt,parameter:: mN=3
38  PetscInt                x(N),x1(N),y(N),z(N)
39  PetscMPIInt             mx(N),my(N)
40  PetscScalar             s(N)
41  PetscReal               r(N)
42  PetscMPIInt,parameter:: two=2, five=5, seven=7
43  type(uctx)::            ctx
44  PetscInt                i
45  PetscSizeT              sizeofentry
46
47  PetscCallA(PetscInitialize(ierr))
48
49  x  = [3, 2, 1]
50  x1 = [3, 2, 1]
51  y  = [6, 5, 4]
52  z  = [3, 5, 2]
53  mx = [five, seven, two]
54  my = [five, seven, two]
55  s  = [1.0, 2.0, 3.0]
56  r  = [1.0, 2.0, 3.0]
57#if defined(PETSC_USE_64BIT_INDICES)
58  sizeofentry = 8;
59#else
60  sizeofentry = 4;
61#endif
62  ctx%myint = 1
63  PetscCallA(PetscSortInt(N,x,ierr))
64  PetscCallA(PetscTimSort(N,x1,sizeofentry,CompareIntegers,ctx,ierr))
65  do i = 1,N
66    PetscCheckA(x1(i) .eq. x(i),PETSC_COMM_SELF,PETSC_ERR_PLIB,'PetscTimSort and PetscSortInt arrays did not match')
67  end do
68  PetscCallA(PetscSortIntWithArray(N,y,x,ierr))
69  PetscCallA(PetscSortIntWithArrayPair(N,x,y,z,ierr))
70
71  PetscCallA(PetscSortMPIInt(N,mx,ierr))
72  PetscCallA(PetscSortMPIIntWithArray(mN,mx,my,ierr))
73  PetscCallA(PetscSortMPIIntWithIntArray(mN,mx,y,ierr))
74
75  PetscCallA(PetscSortIntWithScalarArray(N,x,s,ierr))
76
77  PetscCallA(PetscSortReal(N,r,ierr))
78  PetscCallA(PetscSortRealWithArrayInt(N,r,x,ierr))
79
80  PetscCallA(PetscFinalize(ierr))
81end program main
82
83!/*TEST
84!
85!   test:
86!
87!TEST*/
88