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/* $OpenBSD: ehead.h,v 1.1 2011/07/02 18:11:01 martynas Exp $ */
/*
* Copyright (c) 2008 Stephen L. Moshier <steve@moshier.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Include file for extended precision arithmetic programs.
*/
/* Number of 16 bit words in external x type format */
#define NE 10
/* Number of 16 bit words in internal format */
#define NI (NE+3)
/* Array offset to exponent */
#define E 1
/* Array offset to high guard word */
#define M 2
/* Number of bits of precision */
#define NBITS ((NI-4)*16)
/* Maximum number of decimal digits in ASCII conversion
* = NBITS*log10(2)
*/
#define NDEC (NBITS*8/27)
/* The exponent of 1.0 */
#define EXONE (0x3fff)
void eadd(), esub(), emul(), ediv();
int ecmp(), enormlz(), eshift();
void eshup1(), eshup8(), eshup6(), eshdn1(), eshdn8(), eshdn6();
void eabs(), eneg(), emov(), eclear(), einfin(), efloor();
void eldexp(), efrexp(), eifrac(), ltoe();
void esqrt(), elog(), eexp(), etanh(), epow();
void asctoe(), asctoe24(), asctoe53(), asctoe64();
void etoasc(), e24toasc(), e53toasc(), e64toasc();
void etoe64(), etoe53(), etoe24(), e64toe(), e53toe(), e24toe();
int mtherr();
extern unsigned short ezero[], ehalf[], eone[], etwo[];
extern unsigned short elog2[], esqrt2[];
/* by Stephen L. Moshier. */
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