arb/mag/test/t-pow_fmpz.c
2015-11-05 18:06:54 +00:00

104 lines
2.7 KiB
C

/*=============================================================================
This file is part of ARB.
ARB is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
ARB is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ARB; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2014 Fredrik Johansson
******************************************************************************/
#include "mag.h"
int main()
{
slong iter;
flint_rand_t state;
printf("pow_fmpz....");
fflush(stdout);
flint_randinit(state);
for (iter = 0; iter < 10000; iter++)
{
fmpr_t x, y, w;
mag_t xb, yb;
fmpz_t e;
fmpr_init(x);
fmpr_init(y);
fmpr_init(w);
fmpz_init(e);
mag_init(xb);
mag_init(yb);
mag_randtest_special(xb, state, 80);
mag_randtest_special(yb, state, 80);
fmpz_randtest(e, state, 200);
fmpz_abs(e, e);
mag_get_fmpr(x, xb);
fmpr_pow_sloppy_fmpz(y, x, e, 2 * MAG_BITS, FMPR_RND_UP);
if (fmpr_is_nan(y))
fmpr_pos_inf(y);
mag_pow_fmpz(yb, xb, e);
mag_get_fmpr(w, yb);
MAG_CHECK_BITS(xb)
MAG_CHECK_BITS(yb)
if (!(fmpr_cmpabs(y, w) <= 0))
{
printf("FAIL\n\n");
printf("e = "); fmpz_print(e); printf("\n\n");
printf("x = "); fmpr_print(x); printf("\n\n");
printf("y = "); fmpr_print(y); printf("\n\n");
printf("w = "); fmpr_print(w); printf("\n\n");
abort();
}
mag_pow_fmpz(xb, xb, e);
if (!mag_equal(xb, yb))
{
printf("FAIL (aliasing)\n\n");
printf("e = "); fmpz_print(e); printf("\n\n");
mag_print(xb); printf("\n\n");
mag_print(yb); printf("\n\n");
abort();
}
fmpr_clear(x);
fmpr_clear(y);
fmpr_clear(w);
fmpz_clear(e);
mag_clear(xb);
mag_clear(yb);
}
flint_randclear(state);
flint_cleanup();
printf("PASS\n");
return EXIT_SUCCESS;
}