2008-07-23 19:49:46 -04:00
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Copyright 2008, William Hart
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This file is part of the MPIR Library.
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The MPIR Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The MPIR Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the MPIR Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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2008-04-17 23:34:51 -04:00
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Some compilers with hacks:
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====================================
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- GNUC
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- DEC C
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- SCO OpenUNIX 8 cc
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- __cplusplus
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Useful/undocumented macros in gmp.h:
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====================================
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__GMPN_ABS(x) - absolute value
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__GMPN_MAX(h, i) - max of h and i
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__GMPN_UINT_MAX - (int) ~0
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__GMPN_ULONG_MAX - (unsigned long) ~0
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__GMPN_USHRT_MAX - unsigned short) ~0
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__GMPN_LIKELY(cond) - branch likely hint
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__GMPN_UNLIKELY(cond) - branch unlikely hint
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- e.g. if UNLIKELY(c >= 0L)....
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Note: the __GMPN_ macros are redefined with nicer names in gmp-impl.h
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mp_bits_per_limb - number of bits per limb
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gmp_version - GMP version number i.j or i.j.k as a null terminated string
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gmp_errno - integer corresponding to a GMP error condition:
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0 none
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1 unsupported argument
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2 division by zero
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4 sqrt of negative
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8 invalid argument
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Undocumented mpn functions prototyped in gmp.h:
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===============================================
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mp_limb_t mpn_preinv_mod_1(mp_srcptr sp, mp_size_t sn, mp_limb_t x, mp_limb_t xinv) -
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compute {sp, sn} mod x given a precomputed inverse xinv of x
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