2001-03-12 00:04:52 +00:00
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/*
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* IBM Accurate Mathematical Library
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2002-08-20 21:51:55 +00:00
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* Written by International Business Machines Corp.
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2013-01-02 19:01:50 +00:00
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* Copyright (C) 2001-2013 Free Software Foundation, Inc.
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2001-03-12 00:04:52 +00:00
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*
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* This program 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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2002-08-26 22:40:48 +00:00
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* the Free Software Foundation; either version 2.1 of the License, or
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2001-03-12 00:04:52 +00:00
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* (at your option) any later version.
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2001-03-12 07:57:09 +00:00
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*
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2001-03-12 00:04:52 +00:00
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2002-08-20 21:51:55 +00:00
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* GNU Lesser General Public License for more details.
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2001-03-12 00:04:52 +00:00
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*
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* You should have received a copy of the GNU Lesser General Public License
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2012-02-09 23:18:22 +00:00
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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2001-03-12 00:04:52 +00:00
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*/
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2002-08-20 21:51:55 +00:00
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2001-03-12 00:04:52 +00:00
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/************************************************************************/
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/* MODULE_NAME: mpa.h */
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/* */
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/* FUNCTIONS: */
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/* mcr */
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/* acr */
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/* cpy */
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/* mp_dbl */
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/* dbl_mp */
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/* add */
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/* sub */
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/* mul */
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/* dvd */
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/* */
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/* Arithmetic functions for multiple precision numbers. */
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/* Common types and definition */
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/************************************************************************/
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2013-01-04 10:12:09 +00:00
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/* The mp_no structure holds the details of a multi-precision floating point
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number.
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- The radix of the number (R) is 2 ^ 24.
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- E: The exponent of the number.
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- D[0]: The sign (-1, 1) or 0 if the value is 0. In the latter case, the
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values of the remaining members of the structure are ignored.
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- D[1] - D[p]: The mantissa of the number where:
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0 <= D[i] < R and
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P is the precision of the number and 1 <= p <= 32
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D[p+1] ... D[39] have no significance.
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- The value of the number is:
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D[1] * R ^ (E - 1) + D[2] * R ^ (E - 2) ... D[p] * R ^ (E - p)
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*/
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typedef struct {
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int e;
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double d[40];
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} mp_no;
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2001-03-12 00:04:52 +00:00
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typedef union { int i[2]; double d; } number;
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2012-12-27 15:13:24 +00:00
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extern const mp_no mpone;
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2012-12-21 03:45:10 +00:00
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extern const mp_no mptwo;
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2012-12-27 15:13:24 +00:00
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2001-03-12 00:04:52 +00:00
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#define X x->d
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#define Y y->d
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#define Z z->d
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#define EX x->e
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#define EY y->e
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#define EZ z->e
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#define ABS(x) ((x) < 0 ? -(x) : (x))
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2011-10-25 04:56:33 +00:00
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int __acr(const mp_no *, const mp_no *, int);
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2001-03-13 02:01:34 +00:00
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void __cpy(const mp_no *, mp_no *, int);
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2001-03-12 07:57:09 +00:00
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void __mp_dbl(const mp_no *, double *, int);
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2001-03-13 02:01:34 +00:00
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void __dbl_mp(double, mp_no *, int);
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void __add(const mp_no *, const mp_no *, mp_no *, int);
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void __sub(const mp_no *, const mp_no *, mp_no *, int);
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void __mul(const mp_no *, const mp_no *, mp_no *, int);
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void __dvd(const mp_no *, const mp_no *, mp_no *, int);
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2001-10-29 17:24:29 +00:00
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extern void __mpatan (mp_no *, mp_no *, int);
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extern void __mpatan2 (mp_no *, mp_no *, mp_no *, int);
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extern void __mpsqrt (mp_no *, mp_no *, int);
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2013-01-04 09:24:46 +00:00
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extern void __mpexp (mp_no *, mp_no *, int);
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2001-10-29 17:24:29 +00:00
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extern void __c32 (mp_no *, mp_no *, mp_no *, int);
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extern int __mpranred (double, mp_no *, int);
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