hiro/arb
1
0
Fork 0
mirror of https://github.com/vale981/arb synced 2025-03-05 09:21:38 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

arb_mat_randtest: produce more sparse matrices

Browse source
This commit is contained in:
fredrik 2018-06-25 19:38:34 +02:00
parent fc4c28f72c
commit cf476bd0c9
1 changed files with 11 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
arb_mat/randtest.c
View file

@ -14,15 +14,23 @@
void
arb_mat_randtest(arb_mat_t mat, flint_rand_t state, slong prec, slong mag_bits)
{
slong i, j;
slong i, j, density;
density = n_randint(state, 100);
if (n_randint(state, 2))
for (i = 0; i < arb_mat_nrows(mat); i++)
for (j = 0; j < arb_mat_ncols(mat); j++)
arb_randtest(arb_mat_entry(mat, i, j), state, prec, mag_bits);
if (n_randint(state, 100) < density)
arb_randtest(arb_mat_entry(mat, i, j), state, prec, mag_bits);
else
arb_zero(arb_mat_entry(mat, i, j));
else
for (i = 0; i < arb_mat_nrows(mat); i++)
for (j = 0; j < arb_mat_ncols(mat); j++)
arb_randtest_precise(arb_mat_entry(mat, i, j), state, prec, mag_bits);
if (n_randint(state, 100) < density)
arb_randtest_precise(arb_mat_entry(mat, i, j), state, prec, mag_bits);
else
arb_zero(arb_mat_entry(mat, i, j));
}