/* $OpenBSD: quad_float.h,v 1.9 2021/03/11 11:16:57 jsg Exp $ */ /* (c) Copyright 1986 HEWLETT-PACKARD COMPANY To anyone who acknowledges that this file is provided "AS IS" without any express or implied warranty: permission to use, copy, modify, and distribute this file for any purpose is hereby granted without fee, provided that the above copyright notice and this notice appears in all copies, and that the name of Hewlett-Packard Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Hewlett-Packard Company makes no representations about the suitability of this software for any purpose. */ /* @(#)quad_float.h: Revision: 1.7.88.1 Date: 93/12/07 15:06:55 */ /****************************** * Quad precision functions * ******************************/ /* 32-bit word grabbing functions */ #define Quad_firstword(value) Qallp1(value) #define Quad_secondword(value) Qallp2(value) #define Quad_thirdword(value) Qallp3(value) #define Quad_fourthword(value) Qallp4(value) /* This magnitude comparison uses the signless first words and * the regular part2 words. The comparison is graphically: * * 1st greater? ----------->| * | * 1st less?-----------------+------->| * | | * 2nd greater?------------->| | * | | * 2nd less?-----------------+------->| * | | * 3rd greater?------------->| | * | | * 3rd less?-----------------+------->| * | | * 4th greater or equal?---->| | * | | * False True */ #define Quad_ismagnitudeless(leftp3,leftp4,rightp1,rightp2,rightp3,rightp4,signlessleft,signlessright) \ /* Quad_floating_point left, right; * \ * unsigned int signlessleft, signlessright; */ \ ( signlessleft<=signlessright && \ (signlessleft