File: [local] / OpenXM_contrib2 / asir2000 / builtin / numerical.c (download)
Revision 1.6, Fri Mar 7 06:39:55 2003 UTC (21 years, 6 months ago) by noro
Branch: MAIN
CVS Tags: R_1_3_1-2, RELEASE_1_3_1_13b, RELEASE_1_2_3_12, RELEASE_1_2_3, RELEASE_1_2_2_KNOPPIX_b, RELEASE_1_2_2_KNOPPIX, RELEASE_1_2_2, KNOPPIX_2006, DEB_REL_1_2_3-9 Changes since 1.5: +2 -2
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All the modifications wrt switches were reverted.
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/*
* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
* All rights reserved.
*
* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
* non-exclusive and royalty-free license to use, copy, modify and
* redistribute, solely for non-commercial and non-profit purposes, the
* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
* conditions of this Agreement. For the avoidance of doubt, you acquire
* only a limited right to use the SOFTWARE hereunder, and FLL or any
* third party developer retains all rights, including but not limited to
* copyrights, in and to the SOFTWARE.
*
* (1) FLL does not grant you a license in any way for commercial
* purposes. You may use the SOFTWARE only for non-commercial and
* non-profit purposes only, such as academic, research and internal
* business use.
* (2) The SOFTWARE is protected by the Copyright Law of Japan and
* international copyright treaties. If you make copies of the SOFTWARE,
* with or without modification, as permitted hereunder, you shall affix
* to all such copies of the SOFTWARE the above copyright notice.
* (3) An explicit reference to this SOFTWARE and its copyright owner
* shall be made on your publication or presentation in any form of the
* results obtained by use of the SOFTWARE.
* (4) In the event that you modify the SOFTWARE, you shall notify FLL by
* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
* for such modification or the source code of the modified part of the
* SOFTWARE.
*
* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
*
* $OpenXM: OpenXM_contrib2/asir2000/builtin/numerical.c,v 1.6 2003/03/07 06:39:55 noro Exp $
*/
#include "ca.h"
#include "parse.h"
#if defined(LAPACK)
#include <f2c.h>
void Pflinsolve();
struct ftab numerical_tab[] = {
{"flinsolve",Pflinsolve,2},
{0,0,0},
};
void Pflinsolve(arg,rp)
NODE arg;
VECT *rp;
{
MAT mat;
VECT b,r;
int i,j;
integer n,nrhs,lda,ldb,info;
integer *ipiv;
doublereal *m_array,*b_array;
Num **mb;
Num *vb;
Real *rb;
char trans;
mat=(MAT)ARG0(arg); b=(VECT)ARG1(arg);
n=mat->row;
if ( n != mat->col )
error("flinsolve : non-square matrix");
if ( n != b->len )
error("flinsolve : inconsistent rhs");
m_array = (doublereal *)MALLOC_ATOMIC(n*n*sizeof(double));
b_array = (doublereal *)MALLOC_ATOMIC(n*sizeof(double));
ipiv = (integer *)MALLOC_ATOMIC(n*sizeof(integer));
for ( i = 0, mb = (Num **)mat->body; i < n; i++ )
for ( j = 0; j < n; j++ )
m_array[i*n+j] = ToReal(mb[j][i]);
for ( i = 0, vb = (Num *)b->body; i < n; i++ )
b_array[i] = ToReal(vb[i]);
trans = 'N';
nrhs = 1;
lda = n;
ldb = n;
dgetrf_(&n,&n,m_array,&lda,ipiv,&info);
if ( info )
error("flinsolve : LU factorization failed");
dgetrs_(&trans,&n,&nrhs,m_array,&lda,ipiv,b_array,&ldb,&info);
if ( info )
error("flinsolve : solving failed");
MKVECT(r,n);
for ( i = 0, rb = (Real *)r->body; i < n; i++ )
MKReal(b_array[i],rb[i]);
*rp = r;
}
#endif