#include <stdio.h>
#include <stdlib.h>
#include <gsl/gsl_spmatrix.h>
#include <gsl/gsl_version.h>

int main(int argc, char * argv[]) {
 long t, initial_value,left_shift, addon;
 initial_value = strtol(argv[1], NULL, 10);
 left_shift    = strtol(argv[2], NULL, 10);
 addon         = strtol(argv[3], NULL, 10);
 size_t v = (size_t)initial_value;
 v <<= (size_t)left_shift;
 v += (size_t)addon;
 printf("gsl header version : %s\n", GSL_VERSION);
 printf("gsl library version: %s\n", gsl_version);
 printf("size of _size_t is %d bytes\n", sizeof(size_t));
 printf("initial value: %d\nleft shift: %d\naddon: %d\n", initial_value, left_shift, addon);

 gsl_spmatrix *m = gsl_spmatrix_alloc(v,v);
 printf("size1: %lu\nsize2: %lu\nnz: %lu\n", m->size1, m->size2, m->nz);

 return 0;
}

##</code><code>##

D:\C>gsl_spm.exe 1 16 28000
gsl header version : 2.7.1
gsl library version: 2.7.1
size of _size_t is 8 bytes
initial value: 1
left shift: 16
addon: 28000
size1: 93536
size2: 93536
nz: 0

D:\C>gsl_spm.exe 1 16 28001
gsl header version : 2.7.1
gsl library version: 2.7.1
size of _size_t is 8 bytes
initial value: 1
left shift: 16
addon: 28001
size1: 93537
size2: 93537
nz: 0

D:\C>gsl_spm.exe 1 16 28002
gsl header version : 2.7.1
gsl library version: 2.7.1
size of _size_t is 8 bytes
initial value: 1
left shift: 16
addon: 28002
size1: 93538
size2: 93538
nz: 0

D:\C>gsl_spm.exe 1 16 29002
gsl header version : 2.7.1
gsl library version: 2.7.1
size of _size_t is 8 bytes
initial value: 1
left shift: 16
addon: 29002
gsl: init_source.c:144: ERROR: failed to allocate space for data
Default GSL error handler invoked.