version 1.1.1.1, 1999/12/03 07:39:07 |
version 1.7, 2018/03/29 01:32:50 |
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/* $OpenXM: OpenXM/src/asir99/builtin/numerical.c,v 1.1.1.1 1999/11/10 08:12:25 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/builtin/numerical.c,v 1.6 2003/03/07 06:39:55 noro Exp $ |
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*/ |
#include "ca.h" |
#include "ca.h" |
#include "parse.h" |
#include "parse.h" |
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#if LAPACK |
#if defined(LAPACK) |
#include <f2c.h> |
#include <f2c.h> |
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void Pflinsolve(); |
void Pflinsolve(); |
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struct ftab numerical_tab[] = { |
struct ftab numerical_tab[] = { |
{"flinsolve",Pflinsolve,2}, |
{"flinsolve",Pflinsolve,2}, |
{0,0,0}, |
{0,0,0}, |
}; |
}; |
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void Pflinsolve(arg,rp) |
void Pflinsolve(arg,rp) |
NODE arg; |
NODE arg; |
VECT *rp; |
VECT *rp; |
{ |
{ |
MAT mat; |
MAT mat; |
VECT b,r; |
VECT b,r; |
int i,j; |
int i,j; |
integer n,nrhs,lda,ldb,info; |
integer n,nrhs,lda,ldb,info; |
integer *ipiv; |
integer *ipiv; |
doublereal *m_array,*b_array; |
doublereal *m_array,*b_array; |
Num **mb; |
Num **mb; |
Num *vb; |
Num *vb; |
Real *rb; |
Real *rb; |
char trans; |
char trans; |
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mat=(MAT)ARG0(arg); b=(VECT)ARG1(arg); |
mat=(MAT)ARG0(arg); b=(VECT)ARG1(arg); |
n=mat->row; |
n=mat->row; |
if ( n != mat->col ) |
if ( n != mat->col ) |
error("flinsolve : non-square matrix"); |
error("flinsolve : non-square matrix"); |
if ( n != b->len ) |
if ( n != b->len ) |
error("flinsolve : inconsistent rhs"); |
error("flinsolve : inconsistent rhs"); |
m_array = (doublereal *)MALLOC_ATOMIC(n*n*sizeof(double)); |
m_array = (doublereal *)MALLOC_ATOMIC(n*n*sizeof(double)); |
b_array = (doublereal *)MALLOC_ATOMIC(n*sizeof(double)); |
b_array = (doublereal *)MALLOC_ATOMIC(n*sizeof(double)); |
ipiv = (integer *)MALLOC_ATOMIC(n*sizeof(integer)); |
ipiv = (integer *)MALLOC_ATOMIC(n*sizeof(integer)); |
for ( i = 0, mb = (Num **)mat->body; i < n; i++ ) |
for ( i = 0, mb = (Num **)mat->body; i < n; i++ ) |
for ( j = 0; j < n; j++ ) |
for ( j = 0; j < n; j++ ) |
m_array[i*n+j] = ToReal(mb[j][i]); |
m_array[i*n+j] = ToReal(mb[j][i]); |
for ( i = 0, vb = (Num *)b->body; i < n; i++ ) |
for ( i = 0, vb = (Num *)b->body; i < n; i++ ) |
b_array[i] = ToReal(vb[i]); |
b_array[i] = ToReal(vb[i]); |
trans = 'N'; |
trans = 'N'; |
nrhs = 1; |
nrhs = 1; |
lda = n; |
lda = n; |
ldb = n; |
ldb = n; |
dgetrf_(&n,&n,m_array,&lda,ipiv,&info); |
dgetrf_(&n,&n,m_array,&lda,ipiv,&info); |
if ( info ) |
if ( info ) |
error("flinsolve : LU factorization failed"); |
error("flinsolve : LU factorization failed"); |
dgetrs_(&trans,&n,&nrhs,m_array,&lda,ipiv,b_array,&ldb,&info); |
dgetrs_(&trans,&n,&nrhs,m_array,&lda,ipiv,b_array,&ldb,&info); |
if ( info ) |
if ( info ) |
error("flinsolve : solving failed"); |
error("flinsolve : solving failed"); |
MKVECT(r,n); |
MKVECT(r,n); |
for ( i = 0, rb = (Real *)r->body; i < n; i++ ) |
for ( i = 0, rb = (Real *)r->body; i < n; i++ ) |
MKReal(b_array[i],rb[i]); |
MKReal(b_array[i],rb[i]); |
*rp = r; |
*rp = r; |
} |
} |
#endif |
#endif |