aubio: test-fmat.c

aubio 0.4.6

test-fmat.c
#include "aubio.h"
#include "utils_tests.h"
// create a new matrix and fill it with i * 1. + j * .1, where i is the row,
// and j the column.
int main (void)
{
uint_t height = 3, length = 9, i, j;
// create fmat_t object
fmat_t * mat = new_fmat (height, length);
for ( i = 0; i < mat->height; i++ ) {
for ( j = 0; j < mat->length; j++ ) {
// all elements are already initialized to 0.
assert(mat->data[i][j] == 0);
// setting element of row i, column j
mat->data[i][j] = i * 1. + j *.1;
}
}
fvec_t channel_onstack;
fvec_t *channel = &channel_onstack;
fmat_get_channel(mat, 1, channel);
fvec_print (channel);
// print out matrix
fmat_print(mat);
// destroy it
del_fmat(mat);
return 0;
}