52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/* mpz_ui_pow_ui -- ulong raised to ulong.
|
|
|
|
Copyright 2001, 2002 Free Software Foundation, Inc.
|
|
|
|
This file is part of the GNU MP Library.
|
|
|
|
The GNU MP Library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or (at your
|
|
option) any later version.
|
|
|
|
The GNU MP Library 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 Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#include "mpir.h"
|
|
#include "gmp-impl.h"
|
|
|
|
|
|
void
|
|
mpz_ui_pow_ui (mpz_ptr r, mpir_ui b, mpir_ui e)
|
|
{
|
|
#if GMP_NAIL_BITS != 0
|
|
if (b > GMP_NUMB_MAX)
|
|
{
|
|
mp_limb_t bb[2];
|
|
bb[0] = b & GMP_NUMB_MASK;
|
|
bb[1] = b >> GMP_NUMB_BITS;
|
|
mpz_n_pow_ui (r, bb, (mp_size_t) 2, e);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
#ifdef _LONG_LONG_LIMB
|
|
/* i386 gcc 2.95.3 doesn't recognise blimb can be eliminated when
|
|
mp_limb_t is an unsigned long, so only use a separate blimb when
|
|
necessary. */
|
|
mp_limb_t blimb = b;
|
|
mpz_n_pow_ui (r, &blimb, (mp_size_t) (b != 0), e);
|
|
#else
|
|
mpz_n_pow_ui (r, &b, (mp_size_t) (b != 0), e);
|
|
#endif
|
|
}
|
|
}
|
|
|