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By: udo390
Hi,
I am trying to run GSL 1.6 under VC 7.1. Most of the examples from the GSL
manual
work just fine, but some (naturally the ones I need) crash.
Below is the example from Section 30.4 on Wavelet Transforms that crashes with
"test.exe has encountered a problem and needs to close. We are sorry for the
inconvenience."
I compile and link as follows (there are no errors while compiling or linking):
cl /c /DGSL_DLL /I "C:\Program Files\GnuWin32\include" test.c
link /LIBPATH:"C:\Program Files\GnuWin32\lib" test.obj libgsl.lib
Here is the error signature:
AppName: test.exe AppVer: 0.0.0.0 ModName: libgsl.dll
ModVer: 0.0.0.0 Offset: 000a7ece
Any suggestions would be more than welcome.
Thanks!!!
Ulrich
test.c contains:
#include <stdio.h>
#include <math.h>
#include <gsl/gsl_sort.h>
#include <gsl/gsl_wavelet.h>
int
main (int argc, char **argv)
{
int i, n = 256, nc = 20;
double *data = malloc (n * sizeof (double));
double *abscoeff = malloc (n * sizeof (double));
size_t *p = malloc (n * sizeof (size_t));
FILE *f = fopen (argv[1], "r");
for (i = 0; i < n; i++)
{
fscanf (f, "%lg", &data[i]);
}
fclose (f);
{
gsl_wavelet *w = gsl_wavelet_alloc (gsl_wavelet_daubechies, 4);
gsl_wavelet_workspace *work = gsl_wavelet_workspace_alloc (n);
gsl_wavelet_transform_forward (w, data, 1, n, work);
for (i = 0; i < n; i++)
{
abscoeff[i] = fabs (data[i]);
}
gsl_sort_index (p, abscoeff, 1, n);
for (i = 0; (i + nc) < n; i++)
data[p[i]] = 0;
gsl_wavelet_transform_inverse (w, data, 1, n, work);
}
for (i = 0; i < n; i++)
{
printf ("%g\n", data[i]);
}
}
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