xref: /petsc/src/sys/tests/ex7.c (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
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2*c4762a1bSJed Brown static char help[] = "Tests PetscSortIntWithPermutation().\n\n";
3*c4762a1bSJed Brown 
4*c4762a1bSJed Brown #include <petscsys.h>
5*c4762a1bSJed Brown 
6*c4762a1bSJed Brown int main(int argc,char **argv)
7*c4762a1bSJed Brown {
8*c4762a1bSJed Brown   PetscInt       i;
9*c4762a1bSJed Brown   PetscInt       x[]  = {39, 9, 39, 39, 29},index[5];
10*c4762a1bSJed Brown   PetscInt       x2[] = {39, 9, 19, 39, 29, 39, 29, 39},index2[8];
11*c4762a1bSJed Brown   PetscErrorCode ierr;
12*c4762a1bSJed Brown 
13*c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
14*c4762a1bSJed Brown   ierr = PetscPrintf(PETSC_COMM_SELF,"1st test\n");CHKERRQ(ierr);
15*c4762a1bSJed Brown   for (i=0; i<5; i++) index[i] = i;
16*c4762a1bSJed Brown   ierr = PetscSortIntWithPermutation(5, x, index);CHKERRQ(ierr);
17*c4762a1bSJed Brown   for (i=0; i<5; i++) {ierr = PetscPrintf(PETSC_COMM_SELF," %D     %D     %D\n",x[i], index[i],x[index[i]]);CHKERRQ(ierr);}
18*c4762a1bSJed Brown 
19*c4762a1bSJed Brown   ierr = PetscPrintf(PETSC_COMM_SELF,"\n2nd test\n");CHKERRQ(ierr);
20*c4762a1bSJed Brown   for (i=0; i<8; i++) index2[i] = i;
21*c4762a1bSJed Brown   ierr = PetscSortIntWithPermutation(8, x2, index2);CHKERRQ(ierr);
22*c4762a1bSJed Brown   for (i=0; i<8; i++) {ierr = PetscPrintf(PETSC_COMM_SELF," %D     %D     %D\n",x2[i], index2[i],x2[index2[i]]);CHKERRQ(ierr);}
23*c4762a1bSJed Brown   ierr = PetscFinalize();
24*c4762a1bSJed Brown   return ierr;
25*c4762a1bSJed Brown }
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29*c4762a1bSJed Brown /*TEST
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31*c4762a1bSJed Brown    test:
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33*c4762a1bSJed Brown 
34*c4762a1bSJed Brown TEST*/
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