Open64 (mfef90, whirl2f, and IR tools)
TAG: version-openad; SVN changeset: 916
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00001 /* 00002 00003 Copyright (C) 2000, 2001 Silicon Graphics, Inc. All Rights Reserved. 00004 00005 This program is free software; you can redistribute it and/or modify it 00006 under the terms of version 2 of the GNU General Public License as 00007 published by the Free Software Foundation. 00008 00009 This program is distributed in the hope that it would be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 00013 Further, this software is distributed without any warranty that it is 00014 free of the rightful claim of any third person regarding infringement 00015 or the like. Any license provided herein, whether implied or 00016 otherwise, applies only to this software file. Patent licenses, if 00017 any, provided herein do not apply to combinations of this program with 00018 other software, or any other product whatsoever. 00019 00020 You should have received a copy of the GNU General Public License along 00021 with this program; if not, write the Free Software Foundation, Inc., 59 00022 Temple Place - Suite 330, Boston MA 02111-1307, USA. 00023 00024 Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pky, 00025 Mountain View, CA 94043, or: 00026 00027 http://www.sgi.com 00028 00029 For further information regarding this notice, see: 00030 00031 http://oss.sgi.com/projects/GenInfo/NoticeExplan 00032 00033 */ 00034 00035 00036 #include "quad.h" 00037 00038 extern long double __q_sub(double, double, double, double); 00039 00040 /* intrinsic QDIM */ 00041 00042 /* by value version */ 00043 00044 /* computes the postive difference of two long doubles */ 00045 00046 long double 00047 __qdim( double uhi, double ulo, double vhi, double vlo ) 00048 { 00049 ldquad result; 00050 00051 #include "msg.h" 00052 00053 00054 if ( uhi != uhi ) 00055 { 00056 result.q.hi = uhi; 00057 result.q.lo = ulo; 00058 00059 return ( result.ld ); 00060 } 00061 00062 if ( vhi != vhi ) 00063 { 00064 result.q.hi = vhi; 00065 result.q.lo = vlo; 00066 00067 return ( result.ld ); 00068 } 00069 00070 if ( uhi > vhi ) 00071 result.ld = __q_sub(uhi, ulo, vhi, vlo); 00072 else if ( (uhi == vhi) && (ulo > vlo) ) 00073 result.ld = ulo - vlo; 00074 else 00075 result.ld = 0.0L; 00076 00077 return ( result.ld ); 00078 00079 } 00080