/***************************************************************************** Copyright (c) 2014, Intel Corp. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Intel Corporation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***************************************************************************** * Contents: Native middle-level C interface to LAPACK function stgsja * Author: Intel Corporation *****************************************************************************/ #include "lapacke_utils.h" lapack_int LAPACKE_stgsja_work( int matrix_layout, char jobu, char jobv, char jobq, lapack_int m, lapack_int p, lapack_int n, lapack_int k, lapack_int l, float* a, lapack_int lda, float* b, lapack_int ldb, float tola, float tolb, float* alpha, float* beta, float* u, lapack_int ldu, float* v, lapack_int ldv, float* q, lapack_int ldq, float* work, lapack_int* ncycle ) { lapack_int info = 0; if( matrix_layout == LAPACK_COL_MAJOR ) { /* Call LAPACK function and adjust info */ LAPACK_stgsja( &jobu, &jobv, &jobq, &m, &p, &n, &k, &l, a, &lda, b, &ldb, &tola, &tolb, alpha, beta, u, &ldu, v, &ldv, q, &ldq, work, ncycle, &info ); if( info < 0 ) { info = info - 1; } } else if( matrix_layout == LAPACK_ROW_MAJOR ) { lapack_int lda_t = MAX(1,m); lapack_int ldb_t = MAX(1,p); lapack_int ldq_t = MAX(1,n); lapack_int ldu_t = MAX(1,m); lapack_int ldv_t = MAX(1,p); float* a_t = NULL; float* b_t = NULL; float* u_t = NULL; float* v_t = NULL; float* q_t = NULL; /* Check leading dimension(s) */ if( lda < n ) { info = -11; LAPACKE_xerbla( "LAPACKE_stgsja_work", info ); return info; } if( ldb < n ) { info = -13; LAPACKE_xerbla( "LAPACKE_stgsja_work", info ); return info; } if( ldq < n ) { info = -23; LAPACKE_xerbla( "LAPACKE_stgsja_work", info ); return info; } if( ldu < m ) { info = -19; LAPACKE_xerbla( "LAPACKE_stgsja_work", info ); return info; } if( ldv < p ) { info = -21; LAPACKE_xerbla( "LAPACKE_stgsja_work", info ); return info; } /* Allocate memory for temporary array(s) */ a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) ); if( a_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_0; } b_t = (float*)LAPACKE_malloc( sizeof(float) * ldb_t * MAX(1,n) ); if( b_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_1; } if( LAPACKE_lsame( jobu, 'i' ) || LAPACKE_lsame( jobu, 'u' ) ) { u_t = (float*)LAPACKE_malloc( sizeof(float) * ldu_t * MAX(1,m) ); if( u_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_2; } } if( LAPACKE_lsame( jobv, 'i' ) || LAPACKE_lsame( jobv, 'v' ) ) { v_t = (float*)LAPACKE_malloc( sizeof(float) * ldv_t * MAX(1,p) ); if( v_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_3; } } if( LAPACKE_lsame( jobq, 'i' ) || LAPACKE_lsame( jobq, 'q' ) ) { q_t = (float*)LAPACKE_malloc( sizeof(float) * ldq_t * MAX(1,n) ); if( q_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_4; } } /* Transpose input matrices */ LAPACKE_sge_trans( matrix_layout, m, n, a, lda, a_t, lda_t ); LAPACKE_sge_trans( matrix_layout, p, n, b, ldb, b_t, ldb_t ); if( LAPACKE_lsame( jobu, 'u' ) ) { LAPACKE_sge_trans( matrix_layout, m, m, u, ldu, u_t, ldu_t ); } if( LAPACKE_lsame( jobv, 'v' ) ) { LAPACKE_sge_trans( matrix_layout, p, p, v, ldv, v_t, ldv_t ); } if( LAPACKE_lsame( jobq, 'q' ) ) { LAPACKE_sge_trans( matrix_layout, n, n, q, ldq, q_t, ldq_t ); } /* Call LAPACK function and adjust info */ LAPACK_stgsja( &jobu, &jobv, &jobq, &m, &p, &n, &k, &l, a_t, &lda_t, b_t, &ldb_t, &tola, &tolb, alpha, beta, u_t, &ldu_t, v_t, &ldv_t, q_t, &ldq_t, work, ncycle, &info ); if( info < 0 ) { info = info - 1; } /* Transpose output matrices */ LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, a_t, lda_t, a, lda ); LAPACKE_sge_trans( LAPACK_COL_MAJOR, p, n, b_t, ldb_t, b, ldb ); if( LAPACKE_lsame( jobu, 'i' ) || LAPACKE_lsame( jobu, 'u' ) ) { LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, m, u_t, ldu_t, u, ldu ); } if( LAPACKE_lsame( jobv, 'i' ) || LAPACKE_lsame( jobv, 'v' ) ) { LAPACKE_sge_trans( LAPACK_COL_MAJOR, p, p, v_t, ldv_t, v, ldv ); } if( LAPACKE_lsame( jobq, 'i' ) || LAPACKE_lsame( jobq, 'q' ) ) { LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, n, q_t, ldq_t, q, ldq ); } /* Release memory and exit */ if( LAPACKE_lsame( jobq, 'i' ) || LAPACKE_lsame( jobq, 'q' ) ) { LAPACKE_free( q_t ); } exit_level_4: if( LAPACKE_lsame( jobv, 'i' ) || LAPACKE_lsame( jobv, 'v' ) ) { LAPACKE_free( v_t ); } exit_level_3: if( LAPACKE_lsame( jobu, 'i' ) || LAPACKE_lsame( jobu, 'u' ) ) { LAPACKE_free( u_t ); } exit_level_2: LAPACKE_free( b_t ); exit_level_1: LAPACKE_free( a_t ); exit_level_0: if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { LAPACKE_xerbla( "LAPACKE_stgsja_work", info ); } } else { info = -1; LAPACKE_xerbla( "LAPACKE_stgsja_work", info ); } return info; }