lapack_int LAPACKE_strcon_work( int matrix_order, char norm, char uplo, char diag, lapack_int n, const float* a, lapack_int lda, float* rcond, float* work, lapack_int* iwork ) { lapack_int info = 0; if( matrix_order == LAPACK_COL_MAJOR ) { /* Call LAPACK function and adjust info */ LAPACK_strcon( &norm, &uplo, &diag, &n, a, &lda, rcond, work, iwork, &info ); if( info < 0 ) { info = info - 1; } } else if( matrix_order == LAPACK_ROW_MAJOR ) { lapack_int lda_t = MAX(1,n); float* a_t = NULL; /* Check leading dimension(s) */ if( lda < n ) { info = -7; LAPACKE_xerbla( "LAPACKE_strcon_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; } /* Transpose input matrices */ LAPACKE_str_trans( matrix_order, uplo, diag, n, a, lda, a_t, lda_t ); /* Call LAPACK function and adjust info */ LAPACK_strcon( &norm, &uplo, &diag, &n, a_t, &lda_t, rcond, work, iwork, &info ); if( info < 0 ) { info = info - 1; } /* Release memory and exit */ LAPACKE_free( a_t ); exit_level_0: if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { LAPACKE_xerbla( "LAPACKE_strcon_work", info ); } } else { info = -1; LAPACKE_xerbla( "LAPACKE_strcon_work", info ); } return info; }
float LAPACKE_slantr_work( int matrix_layout, char norm, char uplo, char diag, lapack_int m, lapack_int n, const float* a, lapack_int lda, float* work ) { lapack_int info = 0; float res = 0.; if( matrix_layout == LAPACK_COL_MAJOR ) { /* Call LAPACK function and adjust info */ LAPACK_slantr( &norm, &uplo, &diag, &m, &n, a, &lda, work ); if( info < 0 ) { info = info - 1; } } else if( matrix_layout == LAPACK_ROW_MAJOR ) { lapack_int lda_t = MAX(1,m); float* a_t = NULL; /* Check leading dimension(s) */ if( lda < n ) { info = -8; LAPACKE_xerbla( "LAPACKE_slantr_work", info ); return info; } /* Allocate memory for temporary array(s) */ a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,MAX(m,n)) ); if( a_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_0; } /* Transpose input matrices */ LAPACKE_str_trans( matrix_layout, uplo, diag, MAX(m,n), a, lda, a_t, lda_t ); /* Call LAPACK function and adjust info */ res = LAPACK_slantr( &norm, &uplo, &diag, &m, &n, a_t, &lda_t, work ); info = 0; /* LAPACK call is ok! */ /* Release memory and exit */ LAPACKE_free( a_t ); exit_level_0: if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { LAPACKE_xerbla( "LAPACKE_slantr_work", info ); } } else { info = -1; LAPACKE_xerbla( "LAPACKE_slantr_work", info ); } return res; }
void LAPACKE_shs_trans( int matrix_order, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout ) { if( in == NULL || out == NULL ) return; /* Convert subdiagonal first */ if( matrix_order == LAPACK_COL_MAJOR ) { LAPACKE_sge_trans( LAPACK_COL_MAJOR, 1, n-1, &in[1], ldin+1, &out[ldout], ldout+1 ); } else if ( matrix_order == LAPACK_ROW_MAJOR ) { LAPACKE_sge_trans( LAPACK_ROW_MAJOR, n-1, 1, &in[ldin], ldin+1, &out[1], ldout+1 ); } else { return; } /* Convert upper triangular. */ LAPACKE_str_trans( matrix_order, 'u', 'n', n, in, ldin, out, ldout); }
lapack_int LAPACKE_slarfb_work( int matrix_layout, char side, char trans, char direct, char storev, lapack_int m, lapack_int n, lapack_int k, const float* v, lapack_int ldv, const float* t, lapack_int ldt, float* c, lapack_int ldc, float* work, lapack_int ldwork ) { lapack_int info = 0; lapack_int nrows_v, ncols_v; lapack_int ldc_t, ldt_t, ldv_t; float *v_t = NULL, *t_t = NULL, *c_t = NULL; if( matrix_layout == LAPACK_COL_MAJOR ) { /* Call LAPACK function and adjust info */ LAPACK_slarfb( &side, &trans, &direct, &storev, &m, &n, &k, v, &ldv, t, &ldt, c, &ldc, work, &ldwork ); if( info < 0 ) { info = info - 1; } } else if( matrix_layout == LAPACK_ROW_MAJOR ) { nrows_v = ( LAPACKE_lsame( storev, 'c' ) && LAPACKE_lsame( side, 'l' ) ) ? m : ( ( LAPACKE_lsame( storev, 'c' ) && LAPACKE_lsame( side, 'r' ) ) ? n : ( LAPACKE_lsame( storev, 'r' ) ? k : 1) ); ncols_v = LAPACKE_lsame( storev, 'c' ) ? k : ( ( LAPACKE_lsame( storev, 'r' ) && LAPACKE_lsame( side, 'l' ) ) ? m : ( ( LAPACKE_lsame( storev, 'r' ) && LAPACKE_lsame( side, 'r' ) ) ? n : 1) ); ldc_t = MAX(1,m); ldt_t = MAX(1,k); ldv_t = MAX(1,nrows_v); /* Check leading dimension(s) */ if( ldc < n ) { info = -14; LAPACKE_xerbla( "LAPACKE_slarfb_work", info ); return info; } if( ldt < k ) { info = -12; LAPACKE_xerbla( "LAPACKE_slarfb_work", info ); return info; } if( ldv < ncols_v ) { info = -10; LAPACKE_xerbla( "LAPACKE_slarfb_work", info ); return info; } /* Allocate memory for temporary array(s) */ v_t = (float*)LAPACKE_malloc( sizeof(float) * ldv_t * MAX(1,ncols_v) ); if( v_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_0; } t_t = (float*)LAPACKE_malloc( sizeof(float) * ldt_t * MAX(1,k) ); if( t_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_1; } c_t = (float*)LAPACKE_malloc( sizeof(float) * ldc_t * MAX(1,n) ); if( c_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_2; } /* Transpose input matrices */ if( LAPACKE_lsame( storev, 'c' ) && LAPACKE_lsame( direct, 'f' ) ) { LAPACKE_str_trans( matrix_layout, 'l', 'u', k, v, ldv, v_t, ldv_t ); LAPACKE_sge_trans( matrix_layout, nrows_v-k, ncols_v, &v[k*ldv], ldv, &v_t[k], ldv_t ); } else if( LAPACKE_lsame( storev, 'c' ) && LAPACKE_lsame( direct, 'b' ) ) { if( k > nrows_v ) { LAPACKE_xerbla( "LAPACKE_slarfb_work", -8 ); return -8; } LAPACKE_str_trans( matrix_layout, 'u', 'u', k, &v[(nrows_v-k)*ldv], ldv, &v_t[nrows_v-k], ldv_t ); LAPACKE_sge_trans( matrix_layout, nrows_v-k, ncols_v, v, ldv, v_t, ldv_t ); } else if( LAPACKE_lsame( storev, 'r' ) && LAPACKE_lsame( direct, 'f' ) ) { LAPACKE_str_trans( matrix_layout, 'u', 'u', k, v, ldv, v_t, ldv_t ); LAPACKE_sge_trans( matrix_layout, nrows_v, ncols_v-k, &v[k], ldv, &v_t[k*ldv_t], ldv_t ); } else if( LAPACKE_lsame( storev, 'r' ) && LAPACKE_lsame( direct, 'f' ) ) { if( k > ncols_v ) { LAPACKE_xerbla( "LAPACKE_slarfb_work", -8 ); return -8; } LAPACKE_str_trans( matrix_layout, 'l', 'u', k, &v[ncols_v-k], ldv, &v_t[(ncols_v-k)*ldv_t], ldv_t ); LAPACKE_sge_trans( matrix_layout, nrows_v, ncols_v-k, v, ldv, v_t, ldv_t ); } LAPACKE_sge_trans( matrix_layout, k, k, t, ldt, t_t, ldt_t ); LAPACKE_sge_trans( matrix_layout, m, n, c, ldc, c_t, ldc_t ); /* Call LAPACK function and adjust info */ LAPACK_slarfb( &side, &trans, &direct, &storev, &m, &n, &k, v_t, &ldv_t, t_t, &ldt_t, c_t, &ldc_t, work, &ldwork ); info = 0; /* LAPACK call is ok! */ /* Transpose output matrices */ LAPACKE_sge_trans( LAPACK_COL_MAJOR, m, n, c_t, ldc_t, c, ldc ); /* Release memory and exit */ LAPACKE_free( c_t ); exit_level_2: LAPACKE_free( t_t ); exit_level_1: LAPACKE_free( v_t ); exit_level_0: if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { LAPACKE_xerbla( "LAPACKE_slarfb_work", info ); } } else { info = -1; LAPACKE_xerbla( "LAPACKE_slarfb_work", info ); } return info; }
lapack_int LAPACKE_strtrs_work( int matrix_layout, char uplo, char trans, char diag, lapack_int n, lapack_int nrhs, const float* a, lapack_int lda, float* b, lapack_int ldb ) { lapack_int info = 0; if( matrix_layout == LAPACK_COL_MAJOR ) { /* Call LAPACK function and adjust info */ LAPACK_strtrs( &uplo, &trans, &diag, &n, &nrhs, a, &lda, b, &ldb, &info ); if( info < 0 ) { info = info - 1; } } else if( matrix_layout == LAPACK_ROW_MAJOR ) { lapack_int lda_t = MAX(1,n); lapack_int ldb_t = MAX(1,n); float* a_t = NULL; float* b_t = NULL; /* Check leading dimension(s) */ if( lda < n ) { info = -8; LAPACKE_xerbla( "LAPACKE_strtrs_work", info ); return info; } if( ldb < nrhs ) { info = -10; LAPACKE_xerbla( "LAPACKE_strtrs_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,nrhs) ); if( b_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_1; } /* Transpose input matrices */ LAPACKE_str_trans( matrix_layout, uplo, diag, n, a, lda, a_t, lda_t ); LAPACKE_sge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t ); /* Call LAPACK function and adjust info */ LAPACK_strtrs( &uplo, &trans, &diag, &n, &nrhs, a_t, &lda_t, b_t, &ldb_t, &info ); if( info < 0 ) { info = info - 1; } /* Transpose output matrices */ LAPACKE_sge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb ); /* Release memory and exit */ LAPACKE_free( b_t ); exit_level_1: LAPACKE_free( a_t ); exit_level_0: if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { LAPACKE_xerbla( "LAPACKE_strtrs_work", info ); } } else { info = -1; LAPACKE_xerbla( "LAPACKE_strtrs_work", info ); } return info; }