lapack_int LAPACKE_cgbtrf_work( int matrix_layout, lapack_int m, lapack_int n, lapack_int kl, lapack_int ku, lapack_complex_float* ab, lapack_int ldab, lapack_int* ipiv ) { lapack_int info = 0; if( matrix_layout == LAPACK_COL_MAJOR ) { /* Call LAPACK function and adjust info */ LAPACK_cgbtrf( &m, &n, &kl, &ku, ab, &ldab, ipiv, &info ); if( info < 0 ) { info = info - 1; } } else if( matrix_layout == LAPACK_ROW_MAJOR ) { lapack_int ldab_t = MAX(1,2*kl+ku+1); lapack_complex_float* ab_t = NULL; /* Check leading dimension(s) */ if( ldab < n ) { info = -7; LAPACKE_xerbla( "LAPACKE_cgbtrf_work", info ); return info; } /* Allocate memory for temporary array(s) */ ab_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) ); if( ab_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_0; } /* Transpose input matrices */ LAPACKE_cgb_trans( matrix_layout, m, n, kl, kl+ku, ab, ldab, ab_t, ldab_t ); /* Call LAPACK function and adjust info */ LAPACK_cgbtrf( &m, &n, &kl, &ku, ab_t, &ldab_t, ipiv, &info ); if( info < 0 ) { info = info - 1; } /* Transpose output matrices */ LAPACKE_cgb_trans( LAPACK_COL_MAJOR, m, n, kl, kl+ku, ab_t, ldab_t, ab, ldab ); /* Release memory and exit */ LAPACKE_free( ab_t ); exit_level_0: if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { LAPACKE_xerbla( "LAPACKE_cgbtrf_work", info ); } } else { info = -1; LAPACKE_xerbla( "LAPACKE_cgbtrf_work", info ); } return info; }
void LAPACKE_ctb_trans( int matrix_order, char uplo, char diag, lapack_int n, lapack_int kd, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout ) { lapack_logical colmaj, upper, unit; if( in == NULL || out == NULL ) return; colmaj = ( matrix_order == LAPACK_COL_MAJOR ); upper = LAPACKE_lsame( uplo, 'u' ); unit = LAPACKE_lsame( diag, 'u' ); if( ( !colmaj && ( matrix_order != LAPACK_ROW_MAJOR ) ) || ( !upper && !LAPACKE_lsame( uplo, 'l' ) ) || ( !unit && !LAPACKE_lsame( diag, 'n' ) ) ) { /* Just exit if any of input parameters are wrong */ return; } if( unit ) { /* Unit case, diagonal excluded from transposition */ if( colmaj ) { if( upper ) { LAPACKE_cgb_trans( matrix_order, n-1, n-1, 0, kd-1, &in[ldin], ldin, &out[1], ldout ); } else { LAPACKE_cgb_trans( matrix_order, n-1, n-1, kd-1, 0, &in[1], ldin, &out[ldout], ldout ); } } else { if( upper ) { LAPACKE_cgb_trans( matrix_order, n-1, n-1, 0, kd-1, &in[1], ldin, &out[ldout], ldout ); } else { LAPACKE_cgb_trans( matrix_order, n-1, n-1, kd-1, 0, &in[ldin], ldin, &out[1], ldout ); } } } else { /* Non-unit case */ if( upper ) { LAPACKE_cgb_trans( matrix_order, n, n, 0, kd, in, ldin, out, ldout ); } else { LAPACKE_cgb_trans( matrix_order, n, n, kd, 0, in, ldin, out, ldout ); } } }
lapack_int LAPACKE_cgbsvx_work( int matrix_layout, char fact, char trans, lapack_int n, lapack_int kl, lapack_int ku, lapack_int nrhs, lapack_complex_float* ab, lapack_int ldab, lapack_complex_float* afb, lapack_int ldafb, lapack_int* ipiv, char* equed, float* r, float* c, lapack_complex_float* b, lapack_int ldb, lapack_complex_float* x, lapack_int ldx, float* rcond, float* ferr, float* berr, lapack_complex_float* work, float* rwork ) { lapack_int info = 0; if( matrix_layout == LAPACK_COL_MAJOR ) { /* Call LAPACK function and adjust info */ LAPACK_cgbsvx( &fact, &trans, &n, &kl, &ku, &nrhs, ab, &ldab, afb, &ldafb, ipiv, equed, r, c, b, &ldb, x, &ldx, rcond, ferr, berr, work, rwork, &info ); if( info < 0 ) { info = info - 1; } } else if( matrix_layout == LAPACK_ROW_MAJOR ) { lapack_int ldab_t = MAX(1,kl+ku+1); lapack_int ldafb_t = MAX(1,2*kl+ku+1); lapack_int ldb_t = MAX(1,n); lapack_int ldx_t = MAX(1,n); lapack_complex_float* ab_t = NULL; lapack_complex_float* afb_t = NULL; lapack_complex_float* b_t = NULL; lapack_complex_float* x_t = NULL; /* Check leading dimension(s) */ if( ldab < n ) { info = -9; LAPACKE_xerbla( "LAPACKE_cgbsvx_work", info ); return info; } if( ldafb < n ) { info = -11; LAPACKE_xerbla( "LAPACKE_cgbsvx_work", info ); return info; } if( ldb < nrhs ) { info = -17; LAPACKE_xerbla( "LAPACKE_cgbsvx_work", info ); return info; } if( ldx < nrhs ) { info = -19; LAPACKE_xerbla( "LAPACKE_cgbsvx_work", info ); return info; } /* Allocate memory for temporary array(s) */ ab_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) ); if( ab_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_0; } afb_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldafb_t * MAX(1,n) ); if( afb_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_1; } b_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,nrhs) ); if( b_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_2; } x_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldx_t * MAX(1,nrhs) ); if( x_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_3; } /* Transpose input matrices */ LAPACKE_cgb_trans( matrix_layout, n, n, kl, ku, ab, ldab, ab_t, ldab_t ); if( LAPACKE_lsame( fact, 'f' ) ) { LAPACKE_cgb_trans( matrix_layout, n, n, kl, kl+ku, afb, ldafb, afb_t, ldafb_t ); } LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t ); /* Call LAPACK function and adjust info */ LAPACK_cgbsvx( &fact, &trans, &n, &kl, &ku, &nrhs, ab_t, &ldab_t, afb_t, &ldafb_t, ipiv, equed, r, c, b_t, &ldb_t, x_t, &ldx_t, rcond, ferr, berr, work, rwork, &info ); if( info < 0 ) { info = info - 1; } /* Transpose output matrices */ if( LAPACKE_lsame( fact, 'e' ) && ( LAPACKE_lsame( *equed, 'b' ) || LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) { LAPACKE_cgb_trans( LAPACK_COL_MAJOR, n, n, kl, ku, ab_t, ldab_t, ab, ldab ); } if( LAPACKE_lsame( fact, 'e' ) || LAPACKE_lsame( fact, 'n' ) ) { LAPACKE_cgb_trans( LAPACK_COL_MAJOR, n, n, kl, kl+ku, afb_t, ldafb_t, afb, ldafb ); } if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) || LAPACKE_lsame( *equed, 'c' ) || LAPACKE_lsame( *equed, 'r' ) ) ) { LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb ); } LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx ); /* Release memory and exit */ LAPACKE_free( x_t ); exit_level_3: LAPACKE_free( b_t ); exit_level_2: LAPACKE_free( afb_t ); exit_level_1: LAPACKE_free( ab_t ); exit_level_0: if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { LAPACKE_xerbla( "LAPACKE_cgbsvx_work", info ); } } else { info = -1; LAPACKE_xerbla( "LAPACKE_cgbsvx_work", info ); } return info; }
lapack_int LAPACKE_cgbrfsx_work( int matrix_layout, char trans, char equed, lapack_int n, lapack_int kl, lapack_int ku, lapack_int nrhs, const lapack_complex_float* ab, lapack_int ldab, const lapack_complex_float* afb, lapack_int ldafb, const lapack_int* ipiv, const float* r, const float* c, const lapack_complex_float* b, lapack_int ldb, lapack_complex_float* x, lapack_int ldx, float* rcond, float* berr, lapack_int n_err_bnds, float* err_bnds_norm, float* err_bnds_comp, lapack_int nparams, float* params, lapack_complex_float* work, float* rwork ) { lapack_int info = 0; if( matrix_layout == LAPACK_COL_MAJOR ) { /* Call LAPACK function and adjust info */ LAPACK_cgbrfsx( &trans, &equed, &n, &kl, &ku, &nrhs, ab, &ldab, afb, &ldafb, ipiv, r, c, b, &ldb, x, &ldx, rcond, berr, &n_err_bnds, err_bnds_norm, err_bnds_comp, &nparams, params, work, rwork, &info ); if( info < 0 ) { info = info - 1; } } else if( matrix_layout == LAPACK_ROW_MAJOR ) { lapack_int ldab_t = MAX(1,kl+ku+1); lapack_int ldafb_t = MAX(1,2*kl+ku+1); lapack_int ldb_t = MAX(1,n); lapack_int ldx_t = MAX(1,n); lapack_complex_float* ab_t = NULL; lapack_complex_float* afb_t = NULL; lapack_complex_float* b_t = NULL; lapack_complex_float* x_t = NULL; float* err_bnds_norm_t = NULL; float* err_bnds_comp_t = NULL; /* Check leading dimension(s) */ if( ldab < n ) { info = -9; LAPACKE_xerbla( "LAPACKE_cgbrfsx_work", info ); return info; } if( ldafb < n ) { info = -11; LAPACKE_xerbla( "LAPACKE_cgbrfsx_work", info ); return info; } if( ldb < nrhs ) { info = -16; LAPACKE_xerbla( "LAPACKE_cgbrfsx_work", info ); return info; } if( ldx < nrhs ) { info = -18; LAPACKE_xerbla( "LAPACKE_cgbrfsx_work", info ); return info; } /* Allocate memory for temporary array(s) */ ab_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldab_t * MAX(1,n) ); if( ab_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_0; } afb_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldafb_t * MAX(1,n) ); if( afb_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_1; } b_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldb_t * MAX(1,nrhs) ); if( b_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_2; } x_t = (lapack_complex_float*) LAPACKE_malloc( sizeof(lapack_complex_float) * ldx_t * MAX(1,nrhs) ); if( x_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_3; } err_bnds_norm_t = (float*) LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) ); if( err_bnds_norm_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_4; } err_bnds_comp_t = (float*) LAPACKE_malloc( sizeof(float) * nrhs * MAX(1,n_err_bnds) ); if( err_bnds_comp_t == NULL ) { info = LAPACK_TRANSPOSE_MEMORY_ERROR; goto exit_level_5; } /* Transpose input matrices */ LAPACKE_cgb_trans( matrix_layout, n, n, kl, ku, ab, ldab, ab_t, ldab_t ); LAPACKE_cgb_trans( matrix_layout, n, n, kl, kl+ku, afb, ldafb, afb_t, ldafb_t ); LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t ); LAPACKE_cge_trans( matrix_layout, n, nrhs, x, ldx, x_t, ldx_t ); /* Call LAPACK function and adjust info */ LAPACK_cgbrfsx( &trans, &equed, &n, &kl, &ku, &nrhs, ab_t, &ldab_t, afb_t, &ldafb_t, ipiv, r, c, b_t, &ldb_t, x_t, &ldx_t, rcond, berr, &n_err_bnds, err_bnds_norm_t, err_bnds_comp_t, &nparams, params, work, rwork, &info ); if( info < 0 ) { info = info - 1; } /* Transpose output matrices */ LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, x_t, ldx_t, x, ldx ); LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_norm_t, nrhs, err_bnds_norm, nrhs ); LAPACKE_sge_trans( LAPACK_COL_MAJOR, nrhs, n_err_bnds, err_bnds_comp_t, nrhs, err_bnds_comp, nrhs ); /* Release memory and exit */ LAPACKE_free( err_bnds_comp_t ); exit_level_5: LAPACKE_free( err_bnds_norm_t ); exit_level_4: LAPACKE_free( x_t ); exit_level_3: LAPACKE_free( b_t ); exit_level_2: LAPACKE_free( afb_t ); exit_level_1: LAPACKE_free( ab_t ); exit_level_0: if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) { LAPACKE_xerbla( "LAPACKE_cgbrfsx_work", info ); } } else { info = -1; LAPACKE_xerbla( "LAPACKE_cgbrfsx_work", info ); } return info; }