xref: /petsc/src/sys/tests/ex35.c (revision b122ec5aa1bd4469eb4e0673542fb7de3f411254)
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 
15*b122ec5aSJacob Faibussowitsch   CHKERRQ(PetscInitialize(&argc,&argv,(char*)0,help));
165f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"1st test\n"));
175f80ce2aSJacob Faibussowitsch   for (i=0; i<5; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]));
185f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"---------------\n"));
195f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSortReal(5,x));
205f80ce2aSJacob Faibussowitsch   for (i=0; i<5; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]));
21c4762a1bSJed Brown 
225f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"\n2nd test\n"));
235f80ce2aSJacob Faibussowitsch   for (i=0; i<10; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]));
245f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"---------------\n"));
255f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSortReal(10,x));
265f80ce2aSJacob Faibussowitsch   for (i=0; i<10; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]));
27c4762a1bSJed Brown 
285f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"\n3rd test\n"));
295f80ce2aSJacob Faibussowitsch   for (i=0; i<5; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %2" PetscInt_FMT "     %g\n",index2[i], (double)x2[i]));
305f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"---------------\n"));
315f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSortRealWithArrayInt(5, x2, index2));
325f80ce2aSJacob Faibussowitsch   for (i=0; i<5; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %2" PetscInt_FMT "     %g\n",index2[i], (double)x2[i]));
33c4762a1bSJed Brown 
345f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"\n4th test\n"));
355f80ce2aSJacob Faibussowitsch   for (i=0; i<10; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %2" PetscInt_FMT "     %g\n",index3[i], (double)x3[i]));
365f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"---------------\n"));
375f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSortRealWithArrayInt(10, x3, index3));
385f80ce2aSJacob Faibussowitsch   for (i=0; i<10; i++) CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %2" PetscInt_FMT "     %g\n",index3[i], (double)x3[i]));
39c4762a1bSJed Brown 
405f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF,"\n5th test\n"));
41c4762a1bSJed Brown   val  = 44;
425f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscFindReal(val,10,x3,PETSC_SMALL,&loc));
435f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g in array: loc %" PetscInt_FMT "\n",(double)val,loc));
44c4762a1bSJed Brown   val  = 309.2;
455f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscFindReal(val,10,x3,PETSC_SMALL,&loc));
465f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g in array: loc %" PetscInt_FMT "\n",(double)val,loc));
47c4762a1bSJed Brown   val  = 309.2;
485f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscFindReal(val,10,x3,0.21,&loc));
495f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_SELF," %g in array: loc %" PetscInt_FMT "\n",(double)val,loc));
50c4762a1bSJed Brown 
51*b122ec5aSJacob Faibussowitsch   CHKERRQ(PetscFinalize());
52*b122ec5aSJacob Faibussowitsch   return 0;
53c4762a1bSJed Brown }
54c4762a1bSJed Brown 
55c4762a1bSJed Brown /*TEST
56c4762a1bSJed Brown 
57c4762a1bSJed Brown    test:
58c4762a1bSJed Brown 
59c4762a1bSJed Brown TEST*/
60