diff options
Diffstat (limited to 'vendor/gmp-6.3.0/mpz/ui_pow_ui.c')
-rw-r--r-- | vendor/gmp-6.3.0/mpz/ui_pow_ui.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/mpz/ui_pow_ui.c b/vendor/gmp-6.3.0/mpz/ui_pow_ui.c new file mode 100644 index 0000000..87f2d3a --- /dev/null +++ b/vendor/gmp-6.3.0/mpz/ui_pow_ui.c @@ -0,0 +1,58 @@ +/* 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 either: + + * the GNU Lesser General Public License as published by the Free + Software Foundation; either version 3 of the License, or (at your + option) any later version. + +or + + * 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. + +or both in parallel, as here. + +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 General Public License +for more details. + +You should have received copies of the GNU General Public License and the +GNU Lesser General Public License along with the GNU MP Library. If not, +see https://www.gnu.org/licenses/. */ + +#include "gmp-impl.h" + + +void +mpz_ui_pow_ui (mpz_ptr r, unsigned long b, unsigned long 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 + } +} |