Actual source code: ex22.c

petsc-3.7.7 2017-09-25
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  1: static char help[] = "Tests the PetscByteSwap()\n";

  3: #include <petscsys.h>

  7: int main(int argc,char **argv)
  8: {
 10:   PetscInt       oint[2],sint[2];
 11:   PetscPrecision oenum[2],senum[2];
 12:   PetscBool      obool[2],sbool[2];
 13:   PetscScalar    oscalar[2],sscalar[2];
 14:   double         odouble[2],sdouble[2];
 15:   float          ofloat[2],sfloat[2];
 16:   short          oshort[2],sshort[2];

 18:   PetscInitialize(&argc,&argv,(char*)0,help);

 20:   sint[0]    = oint[0]    = 5;
 21:   sint[1]    = oint[1]    = 19;
 22:   senum[0]   = oenum[0]   = PETSC_PRECISION_SINGLE;
 23:   senum[1]   = oenum[1]   = PETSC_PRECISION_DOUBLE;
 24:   sbool[0]   = obool[0]   = PETSC_FALSE;
 25:   sbool[1]   = obool[1]   = PETSC_TRUE;
 26:   sscalar[0] = oscalar[0] = 3.14159265;
 27:   sscalar[1] = oscalar[1] = 1.3806504e-23;
 28:   sdouble[0] = odouble[0] = 3.14159265;
 29:   sdouble[1] = odouble[1] = 1.3806504e-23;
 30:   sfloat[0]  = ofloat[0]  = 3.14159265;
 31:   sfloat[1]  = ofloat[1]  = 1.3806504e-23;
 32:   sshort[0]  = oshort[0]  = 5;
 33:   sshort[1]  = oshort[1]  = 19;

 35:   PetscByteSwap(sint,PETSC_INT,2);
 36:   PetscByteSwap(senum,PETSC_ENUM,2);
 37:   PetscByteSwap(sbool,PETSC_BOOL,2);
 38:   PetscByteSwap(sscalar,PETSC_SCALAR,2);
 39:   PetscByteSwap(sdouble,PETSC_DOUBLE,2);
 40:   PetscByteSwap(sfloat,PETSC_FLOAT,2);
 41:   PetscByteSwap(sshort,PETSC_SHORT,2);

 43:   PetscByteSwap(sint,PETSC_INT,2);
 44:   PetscByteSwap(senum,PETSC_ENUM,2);
 45:   PetscByteSwap(sbool,PETSC_BOOL,2);
 46:   PetscByteSwap(sscalar,PETSC_SCALAR,2);
 47:   PetscByteSwap(sdouble,PETSC_DOUBLE,2);
 48:   PetscByteSwap(sfloat,PETSC_FLOAT,2);
 49:   PetscByteSwap(sshort,PETSC_SHORT,2);

 51:   if ((sint[0] !=oint[0])|| (sint[1] != oint[1]))             PetscPrintf(PETSC_COMM_SELF,"Byteswap mismatch for PETSC_INT\n");
 52:   if ((senum[0] !=oenum[0])|| (senum[1] != oenum[1]))         PetscPrintf(PETSC_COMM_SELF,"Byteswap mismatch for PETSC_ENUM\n");
 53:   if ((sbool[0] !=obool[0])|| (sbool[1] != obool[1]))         PetscPrintf(PETSC_COMM_SELF,"Byteswap mismatch for PETSC_BOOL\n");
 54:   if ((sscalar[0] !=oscalar[0])|| (sscalar[1] != oscalar[1])) PetscPrintf(PETSC_COMM_SELF,"Byteswap mismatch for PETSC_SCALAR\n");
 55:   if ((sdouble[0] !=odouble[0])|| (sdouble[1] != odouble[1])) PetscPrintf(PETSC_COMM_SELF,"Byteswap mismatch for PETSC_DOUBLE\n");
 56:   if ((sfloat[0] !=ofloat[0])|| (sfloat[1] != ofloat[1]))     PetscPrintf(PETSC_COMM_SELF,"Byteswap mismatch for PETSC_FLOAT\n");
 57:   if ((sshort[0] !=oshort[0])|| (sshort[1] != oshort[1]))     PetscPrintf(PETSC_COMM_SELF,"Byteswap mismatch for PETSC_SHORT\n");

 59:   PetscFinalize();
 60:   return 0;
 61: }