int main(int argc, char **args) {
PetscErrorCode ierr;
ierr = DCellInit(); CHKERRQ(ierr);
PetscReal dx = 1;
iCoor size = {1625,1145,0};
// iCoor size = {253,341,0};
int fd;
Coor dh = {dx,dx,dx};
iCoor pos = {0,0,0};
Grid chip;
ierr = GridCreate(dh,pos,size,1,&chip); CHKERRQ(ierr);
ierr = PetscInfo(0,"Reading image file\n"); CHKERRQ(ierr);
ierr = PetscBinaryOpen("/scratch/n/BL Big",FILE_MODE_READ,&fd); CHKERRQ(ierr);
ierr = PetscBinaryRead(fd,chip->v1,size.x*size.y,PETSC_DOUBLE); CHKERRQ(ierr);
ierr = PetscBinaryClose(fd); CHKERRQ(ierr);
ierr = PetscInfo(0,"Writing image file\n"); CHKERRQ(ierr);
ierr = GridWrite(chip,0); CHKERRQ(ierr);
FluidField fluid;
ierr = FluidFieldCreate(PETSC_COMM_WORLD, &fluid); CHKERRQ(ierr);
ierr = FluidFieldSetDims(fluid,size); CHKERRQ(ierr);
ierr = FluidFieldSetDx(fluid,dx); CHKERRQ(ierr);
ierr = FluidFieldSetMask(fluid, chip); CHKERRQ(ierr);
ierr = FluidFieldSetup(fluid); CHKERRQ(ierr);
ierr = SetPressureBC(fluid); CHKERRQ(ierr);
ierr = KSPSolve(fluid->ksp,fluid->rhs,fluid->vel); CHKERRQ(ierr);
ierr = FluidFieldWrite( fluid,0); CHKERRQ(ierr);
ierr = FluidFieldDestroy(fluid); CHKERRQ(ierr);
ierr = GridDestroy(chip); CHKERRQ(ierr);
ierr = DCellFinalize(); CHKERRQ(ierr);
return 0;
}
PetscErrorCode HeaderlessBinaryReadCheck(DM dm,const char name[])
{
PetscErrorCode ierr;
int fdes;
PetscScalar buffer[DMDA_I*DMDA_J*DMDA_K*3];
PetscInt len,d,i,j,k,M,N;
PetscMPIInt rank;
PetscBool dataverified = PETSC_TRUE;
PetscFunctionBeginUser;
ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);CHKERRQ(ierr);
ierr = DMDAGetInfo(dm,NULL,&M,&N,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);CHKERRQ(ierr);
len = DMDA_I*DMDA_J*DMDA_K*3;
if (!rank) {
ierr = PetscBinaryOpen(name,FILE_MODE_READ,&fdes);CHKERRQ(ierr);
ierr = PetscBinaryRead(fdes,buffer,len,PETSC_SCALAR);CHKERRQ(ierr);
ierr = PetscBinaryClose(fdes);CHKERRQ(ierr);
for (k=0; k<DMDA_K; k++) {
for (j=0; j<DMDA_J; j++) {
for (i=0; i<DMDA_I; i++) {
for (d=0; d<3; d++) {
PetscScalar v,test_value_s,test_value;
PetscInt index;
test_value_s = dmda_i_val[i]*((PetscScalar)i) + dmda_j_val[j]*((PetscScalar)(i+j*M)) + dmda_k_val[k]*((PetscScalar)(i + j*M + k*M*N));
test_value = 3.0 * test_value_s + (PetscScalar)d;
index = 3*(i + j*M + k*M*N) + d;
v = PetscAbsScalar(test_value-buffer[index]);
#if defined(PETSC_USE_COMPLEX)
if ((PetscRealPart(v) > 1.0e-10) || (PetscImaginaryPart(v) > 1.0e-10)) {
ierr = PetscPrintf(PETSC_COMM_SELF,"ERROR: Difference > 1.0e-10 occurred (delta = (%+1.12e,%+1.12e) [loc %D,%D,%D(%D)])\n",(double)PetscRealPart(test_value),(double)PetscImaginaryPart(test_value),i,j,k,d);CHKERRQ(ierr);
dataverified = PETSC_FALSE;
}
#else
if (PetscRealPart(v) > 1.0e-10) {
ierr = PetscPrintf(PETSC_COMM_SELF,"ERROR: Difference > 1.0e-10 occurred (delta = %+1.12e [loc %D,%D,%D(%D)])\n",(double)PetscRealPart(test_value),i,j,k,d);CHKERRQ(ierr);
dataverified = PETSC_FALSE;
}
#endif
}
}
}
}
if (dataverified) {
ierr = PetscPrintf(PETSC_COMM_SELF,"Headerless read of data verified for: %s\n",name);CHKERRQ(ierr);
}
}
PetscFunctionReturn(0);
}
void PETSC_STDCALL petscbinaryclose_(int *fd, int *__ierr ){
*__ierr = PetscBinaryClose(*fd);
}