gmp-mparam.h

GMP是计算任意精度的数学库, 包括支持整数,有理数和浮点. GMP包括大量的接口函数.

/* Intel P6/sse2 gmp-mparam.h -- Compiler/machine parameter header file.

Copyright 1991, 1993, 1994, 1999, 2000, 2001, 2002, 2003, 2008, 2009
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 3 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.  If not, see http://www.gnu.org/licenses/.  */


#define BITS_PER_MP_LIMB 32
#define BYTES_PER_MP_LIMB 4


/* NOTE: In a fat binary build SQR_KARATSUBA_THRESHOLD here cannot be more
   than the value in mpn/x86/p6/gmp-mparam.h.  The latter is used as a hard
   limit in mpn/x86/p6/sqr_basecase.asm.  */


/* 1867 MHz P6 model 13 */

/* Generated by tuneupc, 2008-10-30, gcc 4.3 */

#define MUL_KARATSUBA_THRESHOLD          20
#define MUL_TOOM3_THRESHOLD              77
#define MUL_TOOM44_THRESHOLD            142

#define SQR_BASECASE_THRESHOLD            0  /* always (native) */
#define SQR_KARATSUBA_THRESHOLD          30
#define SQR_TOOM3_THRESHOLD             101
#define SQR_TOOM4_THRESHOLD             154

#define MULLOW_BASECASE_THRESHOLD         4
#define MULLOW_DC_THRESHOLD              38
#define MULLOW_MUL_N_THRESHOLD          234

#define DIV_SB_PREINV_THRESHOLD           0  /* always */
#define DIV_DC_THRESHOLD                 24
#define POWM_THRESHOLD                  150

#define MATRIX22_STRASSEN_THRESHOLD      23
#define HGCD_THRESHOLD                   95
#define GCD_DC_THRESHOLD                381
#define GCDEXT_DC_THRESHOLD             419
#define JACOBI_BASE_METHOD                1

#define USE_PREINV_DIVREM_1               1  /* native */
#define USE_PREINV_MOD_1                  1  /* native */
#define DIVEXACT_1_THRESHOLD              0  /* always (native) */
#define MODEXACT_1_ODD_THRESHOLD          0  /* always (native) */

#define GET_STR_DC_THRESHOLD             14
#define GET_STR_PRECOMPUTE_THRESHOLD     24
#define SET_STR_DC_THRESHOLD            276
#define SET_STR_PRECOMPUTE_THRESHOLD   1078

#define MUL_FFT_TABLE  { 400, 928, 1664, 3584, 10240, 40960, 98304, 393216, 1572864, 0 }
#define MUL_FFT_MODF_THRESHOLD          496
#define MUL_FFT_THRESHOLD              7168

#define SQR_FFT_TABLE  { 432, 928, 1664, 3584, 10240, 40960, 98304, 393216, 1572864, 0 }
#define SQR_FFT_MODF_THRESHOLD          448
#define SQR_FFT_THRESHOLD              3840