1: static char help[] = "Tests PetscSortReal(), PetscSortRealWithArrayInt(), PetscFindReal\n\n";

  3:  #include <petscsys.h>

  5: int main(int argc,char **argv)
  6: {
  7:   PetscInt       i,loc;
  8:   PetscReal      val;
  9:   PetscReal      x[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
 10:   PetscReal      x2[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
 11:   PetscReal      x3[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
 12:   PetscInt       index2[] = {1, -1, 4, 12, 13, 14, 0, 7, 9, 11};
 13:   PetscInt       index3[] = {1, -1, 4, 12, 13, 14, 0, 7, 9, 11};

 16:   PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
 17:   PetscPrintf(PETSC_COMM_SELF,"1st test\n");
 18:   for (i=0; i<5; i++) {PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]);}
 19:   PetscPrintf(PETSC_COMM_SELF,"---------------\n");
 20:   PetscSortReal(5,x);
 21:   for (i=0; i<5; i++) {PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]);}

 23:   PetscPrintf(PETSC_COMM_SELF,"\n2nd test\n");
 24:   for (i=0; i<10; i++) {PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]);}
 25:   PetscPrintf(PETSC_COMM_SELF,"---------------\n");
 26:   PetscSortReal(10,x);
 27:   for (i=0; i<10; i++) {PetscPrintf(PETSC_COMM_SELF," %g\n",(double)x[i]);}

 29:   PetscPrintf(PETSC_COMM_SELF,"\n3rd test\n");
 30:   for (i=0; i<5; i++) {PetscPrintf(PETSC_COMM_SELF," %2D     %g\n",index2[i], (double)x2[i]);}
 31:   PetscPrintf(PETSC_COMM_SELF,"---------------\n");
 32:   PetscSortRealWithArrayInt(5, x2, index2);
 33:   for (i=0; i<5; i++) {PetscPrintf(PETSC_COMM_SELF," %2D     %g\n",index2[i], (double)x2[i]);}

 35:   PetscPrintf(PETSC_COMM_SELF,"\n4th test\n");
 36:   for (i=0; i<10; i++) {PetscPrintf(PETSC_COMM_SELF," %2D     %g\n",index3[i], (double)x3[i]);}
 37:   PetscPrintf(PETSC_COMM_SELF,"---------------\n");
 38:   PetscSortRealWithArrayInt(10, x3, index3);
 39:   for (i=0; i<10; i++) {PetscPrintf(PETSC_COMM_SELF," %2D     %g\n",index3[i], (double)x3[i]);}

 41:   PetscPrintf(PETSC_COMM_SELF,"\n5th test\n");
 42:   val  = 44;
 43:   PetscFindReal(val,10,x3,PETSC_SMALL,&loc);
 44:   PetscPrintf(PETSC_COMM_SELF," %g in array: loc %D\n",(double)val,loc);
 45:   val  = 309.2;
 46:   PetscFindReal(val,10,x3,PETSC_SMALL,&loc);
 47:   PetscPrintf(PETSC_COMM_SELF," %g in array: loc %D\n",(double)val,loc);
 48:   val  = 309.2;
 49:   PetscFindReal(val,10,x3,0.21,&loc);
 50:   PetscPrintf(PETSC_COMM_SELF," %g in array: loc %D\n",(double)val,loc);

 52:   PetscFinalize();
 53:   return ierr;
 54: }

 56: /*TEST

 58:    test:


 61: TEST*/