version 1.1.1.1, 1999/12/03 07:39:08 |
version 1.5, 2000/11/15 02:16:30 |
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/* $OpenXM: OpenXM/src/asir99/engine/real.c,v 1.1.1.1 1999/11/10 08:12:26 noro Exp $ */ |
/* |
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* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED |
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* All rights reserved. |
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* |
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* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, |
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* non-exclusive and royalty-free license to use, copy, modify and |
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* redistribute, solely for non-commercial and non-profit purposes, the |
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* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and |
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* conditions of this Agreement. For the avoidance of doubt, you acquire |
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* only a limited right to use the SOFTWARE hereunder, and FLL or any |
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* third party developer retains all rights, including but not limited to |
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* copyrights, in and to the SOFTWARE. |
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* |
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* (1) FLL does not grant you a license in any way for commercial |
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* purposes. You may use the SOFTWARE only for non-commercial and |
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* non-profit purposes only, such as academic, research and internal |
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* business use. |
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* (2) The SOFTWARE is protected by the Copyright Law of Japan and |
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* international copyright treaties. If you make copies of the SOFTWARE, |
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* with or without modification, as permitted hereunder, you shall affix |
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* to all such copies of the SOFTWARE the above copyright notice. |
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* (3) An explicit reference to this SOFTWARE and its copyright owner |
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* shall be made on your publication or presentation in any form of the |
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* results obtained by use of the SOFTWARE. |
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* (4) In the event that you modify the SOFTWARE, you shall notify FLL by |
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* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification |
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* for such modification or the source code of the modified part of the |
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* SOFTWARE. |
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* |
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* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL |
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* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND |
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* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' |
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* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY |
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* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. |
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* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, |
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* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
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* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES |
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* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY |
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* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF |
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* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
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* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
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* |
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* $OpenXM: OpenXM_contrib2/asir2000/engine/real.c,v 1.4 2000/08/22 05:04:06 noro Exp $ |
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*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
#include <math.h> |
#include <math.h> |
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#ifdef vax |
#ifdef vax |
t = m[0]; m[0] = m[1]; m[1] = t; itod(m); |
t = m[0]; m[0] = m[1]; m[1] = t; itod(m); |
#endif |
#endif |
#if defined(i386) || defined(MIPSEL) || defined(VISUAL) || defined(linux) || defined(__alpha) || defined(__FreeBSD__) || defined(__NetBSD__) |
#if defined(__i386__) || defined(MIPSEL) || defined(VISUAL) || defined(__alpha) || defined(__FreeBSD__) || defined(__NetBSD__) |
t = m[0]; m[0] = m[1]; m[1] = t; |
t = m[0]; m[0] = m[1]; m[1] = t; |
#endif |
#endif |
return *((double *)m); |
return *((double *)m); |
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*c = 0; |
*c = 0; |
else { |
else { |
t = ToReal(a)*ToReal(b); |
t = ToReal(a)*ToReal(b); |
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#if 0 |
if ( !t ) |
if ( !t ) |
error("mulreal : Underflow"); /* XXX */ |
error("mulreal : Underflow"); /* XXX */ |
else |
else |
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#endif |
MKReal(t,*c); |
MKReal(t,*c); |
} |
} |
} |
} |
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*c = 0; |
*c = 0; |
else { |
else { |
t = ToReal(a)/ToReal(b); |
t = ToReal(a)/ToReal(b); |
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#if 0 |
if ( !t ) |
if ( !t ) |
error("divreal : Underflow"); /* XXX */ |
error("divreal : Underflow"); /* XXX */ |
else |
else |
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#endif |
MKReal(t,*c); |
MKReal(t,*c); |
} |
} |
} |
} |
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*c = 0; |
*c = 0; |
else if ( !RATN(b) || !INT(b) || (PL(NM((Q)b)) > 1) ) { |
else if ( !RATN(b) || !INT(b) || (PL(NM((Q)b)) > 1) ) { |
t = (double)pow((double)ToReal(a),(double)ToReal(b)); |
t = (double)pow((double)ToReal(a),(double)ToReal(b)); |
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#if 0 |
if ( !t ) |
if ( !t ) |
error("pwrreal : Underflow"); /* XXX */ |
error("pwrreal : Underflow"); /* XXX */ |
else |
else |
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#endif |
MKReal(t,*c); |
MKReal(t,*c); |
} else { |
} else { |
t = pwrreal0(BDY((Real)a),BD(NM((Q)b))[0]); |
t = pwrreal0(BDY((Real)a),BD(NM((Q)b))[0]); |
t = SGN((Q)b)>0?t:1/t; |
t = SGN((Q)b)>0?t:1/t; |
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#if 0 |
if ( !t ) |
if ( !t ) |
error("pwrreal : Underflow"); /* XXX */ |
error("pwrreal : Underflow"); /* XXX */ |
else |
else |
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#endif |
MKReal(t,*c); |
MKReal(t,*c); |
} |
} |
} |
} |