mirror of
https://github.com/vale981/arb
synced 2025-03-05 09:21:38 -05:00
6bf072eb59
This will allow us to not loose the julia session on error. See also https://github.com/wbhart/flint2/pull/243
36 lines
870 B
C
36 lines
870 B
C
/*
|
|
Copyright (C) 2015 Arb authors
|
|
|
|
This file is part of Arb.
|
|
|
|
Arb is free software: you can redistribute it and/or modify it under
|
|
the terms of the GNU Lesser General Public License (LGPL) as published
|
|
by the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version. See <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "acb_mat.h"
|
|
|
|
void
|
|
acb_mat_trace(acb_t trace, const acb_mat_t mat, slong prec)
|
|
{
|
|
slong i;
|
|
|
|
if (!acb_mat_is_square(mat))
|
|
{
|
|
flint_printf("acb_mat_trace: a square matrix is required!\n");
|
|
flint_abort();
|
|
}
|
|
|
|
if (acb_mat_is_empty(mat))
|
|
{
|
|
acb_zero(trace);
|
|
return;
|
|
}
|
|
|
|
acb_set(trace, acb_mat_entry(mat, 0, 0));
|
|
for (i = 1; i < acb_mat_nrows(mat); i++)
|
|
{
|
|
acb_add(trace, trace, acb_mat_entry(mat, i, i), prec);
|
|
}
|
|
}
|