xref: /petsc/src/sys/tests/ex35.c (revision 5f80ce2ab25dff0f4601e710601cbbcecf323266)
1c4762a1bSJed Brown static char help[] = "Tests PetscSortReal(), PetscSortRealWithArrayInt(), PetscFindReal\n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscsys.h>
4c4762a1bSJed Brown 
5c4762a1bSJed Brown int main(int argc,char **argv)
6c4762a1bSJed Brown {
7c4762a1bSJed Brown   PetscInt       i,loc;
8c4762a1bSJed Brown   PetscReal      val;
9c4762a1bSJed Brown   PetscReal      x[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
10c4762a1bSJed Brown   PetscReal      x2[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
11c4762a1bSJed Brown   PetscReal      x3[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
12c4762a1bSJed Brown   PetscInt       index2[] = {1, -1, 4, 12, 13, 14, 0, 7, 9, 11};
13c4762a1bSJed Brown   PetscInt       index3[] = {1, -1, 4, 12, 13, 14, 0, 7, 9, 11};
14c4762a1bSJed Brown   PetscErrorCode ierr;
15c4762a1bSJed Brown 
16c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
17*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"1st test\n"));
18*5f80ce2aSJacob Faibussowitsch   for (i=0; i<5; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]));
19*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"---------------\n"));
20*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSortReal(5,x));
21*5f80ce2aSJacob Faibussowitsch   for (i=0; i<5; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]));
22c4762a1bSJed Brown 
23*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"\n2nd test\n"));
24*5f80ce2aSJacob Faibussowitsch   for (i=0; i<10; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]));
25*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"---------------\n"));
26*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSortReal(10,x));
27*5f80ce2aSJacob Faibussowitsch   for (i=0; i<10; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]));
28c4762a1bSJed Brown 
29*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"\n3rd test\n"));
30*5f80ce2aSJacob Faibussowitsch   for (i=0; i<5; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %2" PetscInt_FMT "     %g\n",index2[i], (double)x2[i]));
31*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"---------------\n"));
32*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSortRealWithArrayInt(5, x2, index2));
33*5f80ce2aSJacob Faibussowitsch   for (i=0; i<5; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %2" PetscInt_FMT "     %g\n",index2[i], (double)x2[i]));
34c4762a1bSJed Brown 
35*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"\n4th test\n"));
36*5f80ce2aSJacob Faibussowitsch   for (i=0; i<10; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %2" PetscInt_FMT "     %g\n",index3[i], (double)x3[i]));
37*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"---------------\n"));
38*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSortRealWithArrayInt(10, x3, index3));
39*5f80ce2aSJacob Faibussowitsch   for (i=0; i<10; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %2" PetscInt_FMT "     %g\n",index3[i], (double)x3[i]));
40c4762a1bSJed Brown 
41*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"\n5th test\n"));
42c4762a1bSJed Brown   val  = 44;
43*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscFindReal(val,10,x3,PETSC_SMALL,&loc));
44*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g in array: loc %" PetscInt_FMT "\n",(double)val,loc));
45c4762a1bSJed Brown   val  = 309.2;
46*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscFindReal(val,10,x3,PETSC_SMALL,&loc));
47*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g in array: loc %" PetscInt_FMT "\n",(double)val,loc));
48c4762a1bSJed Brown   val  = 309.2;
49*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscFindReal(val,10,x3,0.21,&loc));
50*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g in array: loc %" PetscInt_FMT "\n",(double)val,loc));
51c4762a1bSJed Brown 
52c4762a1bSJed Brown   ierr = PetscFinalize();
53c4762a1bSJed Brown   return ierr;
54c4762a1bSJed Brown }
55c4762a1bSJed Brown 
56c4762a1bSJed Brown /*TEST
57c4762a1bSJed Brown 
58c4762a1bSJed Brown    test:
59c4762a1bSJed Brown 
60c4762a1bSJed Brown TEST*/
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