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Fix VTK MPI-IO Writer

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This commit is contained in:
Jan Eitzinger
2023-02-07 09:48:24 +01:00
parent f7e04a19ac
commit 93a796af98
5 changed files with 77 additions and 39 deletions
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2
BasicSolver/3D-mpi/config.mk
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@@ -1,5 +1,5 @@
# Supported: GCC, CLANG, ICC
TAG ?= ICC
TAG ?= CLANG
ENABLE_OPENMP ?= false
#Feature options

30
BasicSolver/3D-mpi/src/vtkWriter.c
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@@ -11,18 +11,22 @@
#include "vtkWriter.h"
#define G(v, i, j, k) v[(k)*imax * jmax + (j)*imax + (i)]
static float floatSwap(float f)
static double floatSwap(double f)
{
union {
float f;
char b[4];
double f;
char b[8];
} dat1, dat2;
dat1.f = f;
dat2.b[0] = dat1.b[3];
dat2.b[1] = dat1.b[2];
dat2.b[2] = dat1.b[1];
dat2.b[3] = dat1.b[0];
dat2.b[0] = dat1.b[7];
dat2.b[1] = dat1.b[6];
dat2.b[2] = dat1.b[5];
dat2.b[3] = dat1.b[4];
dat2.b[4] = dat1.b[3];
dat2.b[5] = dat1.b[2];
dat2.b[6] = dat1.b[1];
dat2.b[7] = dat1.b[0];
return dat2.f;
}
@@ -75,8 +79,8 @@ static void writeScalar(VtkOptions* o, double* s)
if (o->fmt == ASCII) {
fprintf(o->fh, "%f\n", G(s, i, j, k));
} else if (o->fmt == BINARY) {
fwrite((float[1]) { floatSwap(G(s, i, j, k)) },
sizeof(float),
fwrite((double[1]) { floatSwap(G(s, i, j, k)) },
sizeof(double),
1,
o->fh);
}
@@ -102,7 +106,7 @@ void vtkScalar(VtkOptions* o, char* name, double* s)
if (o->mode == UNIX) {
if (commIsMaster(&o->comm)) {
if (!isInitialized(o->fh)) return;
fprintf(o->fh, "SCALARS %s float 1\n", name);
fprintf(o->fh, "SCALARS %s double 1\n", name);
fprintf(o->fh, "LOOKUP_TABLE default\n");
writeScalar(o, s);
}
@@ -126,10 +130,10 @@ static void writeVector(VtkOptions* o, VtkVector vec)
G(vec.v, i, j, k),
G(vec.w, i, j, k));
} else if (o->fmt == BINARY) {
fwrite((float[3]) { floatSwap(G(vec.u, i, j, k)),
fwrite((double[3]) { floatSwap(G(vec.u, i, j, k)),
floatSwap(G(vec.v, i, j, k)),
floatSwap(G(vec.w, i, j, k)) },
sizeof(float),
sizeof(double),
3,
o->fh);
}
@@ -146,7 +150,7 @@ void vtkVector(VtkOptions* o, char* name, VtkVector vec)
if (o->mode == UNIX) {
if (commIsMaster(&o->comm)) {
if (!isInitialized(o->fh)) return;
fprintf(o->fh, "VECTORS %s float\n", name);
fprintf(o->fh, "VECTORS %s double\n", name);
writeVector(o, vec);
}
} else if (o->mode == MPI) {