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Annotation of OpenXM_contrib2/asir2018/builtin/numerical.c, Revision 1.1

1.1     ! noro        1: /*
        !             2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
        !             6:  * non-exclusive and royalty-free license to use, copy, modify and
        !             7:  * redistribute, solely for non-commercial and non-profit purposes, the
        !             8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
        !             9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
        !            10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
        !            11:  * third party developer retains all rights, including but not limited to
        !            12:  * copyrights, in and to the SOFTWARE.
        !            13:  *
        !            14:  * (1) FLL does not grant you a license in any way for commercial
        !            15:  * purposes. You may use the SOFTWARE only for non-commercial and
        !            16:  * non-profit purposes only, such as academic, research and internal
        !            17:  * business use.
        !            18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
        !            19:  * international copyright treaties. If you make copies of the SOFTWARE,
        !            20:  * with or without modification, as permitted hereunder, you shall affix
        !            21:  * to all such copies of the SOFTWARE the above copyright notice.
        !            22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
        !            23:  * shall be made on your publication or presentation in any form of the
        !            24:  * results obtained by use of the SOFTWARE.
        !            25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
        !            26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
        !            27:  * for such modification or the source code of the modified part of the
        !            28:  * SOFTWARE.
        !            29:  *
        !            30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
        !            31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
        !            32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
        !            33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
        !            34:  * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
        !            35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
        !            36:  * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
        !            37:  * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
        !            38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
        !            39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
        !            40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
        !            41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
        !            42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
        !            43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
        !            44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
        !            45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
        !            46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
        !            47:  *
        !            48:  * $OpenXM$
        !            49: */
        !            50: #include "ca.h"
        !            51: #include "parse.h"
        !            52:
        !            53: #if defined(LAPACK)
        !            54: #include <f2c.h>
        !            55:
        !            56: void Pflinsolve();
        !            57:
        !            58: struct ftab numerical_tab[] = {
        !            59:   {"flinsolve",Pflinsolve,2},
        !            60:   {0,0,0},
        !            61: };
        !            62:
        !            63: void Pflinsolve(arg,rp)
        !            64: NODE arg;
        !            65: VECT *rp;
        !            66: {
        !            67:   MAT mat;
        !            68:   VECT b,r;
        !            69:   int i,j;
        !            70:   integer n,nrhs,lda,ldb,info;
        !            71:   integer *ipiv;
        !            72:   doublereal *m_array,*b_array;
        !            73:   Num **mb;
        !            74:   Num *vb;
        !            75:   Real *rb;
        !            76:   char trans;
        !            77:
        !            78:   mat=(MAT)ARG0(arg); b=(VECT)ARG1(arg);
        !            79:   n=mat->row;
        !            80:   if ( n != mat->col )
        !            81:     error("flinsolve : non-square matrix");
        !            82:   if ( n != b->len )
        !            83:     error("flinsolve : inconsistent rhs");
        !            84:   m_array = (doublereal *)MALLOC_ATOMIC(n*n*sizeof(double));
        !            85:   b_array = (doublereal *)MALLOC_ATOMIC(n*sizeof(double));
        !            86:   ipiv = (integer *)MALLOC_ATOMIC(n*sizeof(integer));
        !            87:   for ( i = 0, mb = (Num **)mat->body; i < n; i++ )
        !            88:     for ( j = 0; j < n; j++ )
        !            89:       m_array[i*n+j] = ToReal(mb[j][i]);
        !            90:   for ( i = 0, vb = (Num *)b->body; i < n; i++ )
        !            91:       b_array[i] = ToReal(vb[i]);
        !            92:   trans = 'N';
        !            93:   nrhs = 1;
        !            94:   lda = n;
        !            95:   ldb = n;
        !            96:   dgetrf_(&n,&n,m_array,&lda,ipiv,&info);
        !            97:   if ( info )
        !            98:     error("flinsolve : LU factorization failed");
        !            99:   dgetrs_(&trans,&n,&nrhs,m_array,&lda,ipiv,b_array,&ldb,&info);
        !           100:   if ( info )
        !           101:     error("flinsolve : solving failed");
        !           102:   MKVECT(r,n);
        !           103:   for ( i = 0, rb = (Real *)r->body; i < n; i++ )
        !           104:     MKReal(b_array[i],rb[i]);
        !           105:   *rp = r;
        !           106: }
        !           107: #endif