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2 Copyright (c) 2014, Intel Corp.
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28 *****************************************************************************
29 * Contents: Native high-level C interface to LAPACK function cgerfsx
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33
34 #include "lapacke_utils.h"
35
LAPACKE_cgerfsx(int matrix_layout,char trans,char equed,lapack_int n,lapack_int nrhs,const lapack_complex_float * a,lapack_int lda,const lapack_complex_float * af,lapack_int ldaf,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)36 lapack_int LAPACKE_cgerfsx( int matrix_layout, char trans, char equed,
37 lapack_int n, lapack_int nrhs,
38 const lapack_complex_float* a, lapack_int lda,
39 const lapack_complex_float* af, lapack_int ldaf,
40 const lapack_int* ipiv, const float* r,
41 const float* c, const lapack_complex_float* b,
42 lapack_int ldb, lapack_complex_float* x,
43 lapack_int ldx, float* rcond, float* berr,
44 lapack_int n_err_bnds, float* err_bnds_norm,
45 float* err_bnds_comp, lapack_int nparams,
46 float* params )
47 {
48 lapack_int info = 0;
49 float* rwork = NULL;
50 lapack_complex_float* work = NULL;
51 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
52 LAPACKE_xerbla( "LAPACKE_cgerfsx", -1 );
53 return -1;
54 }
55 #ifndef LAPACK_DISABLE_NAN_CHECK
56 /* Optionally check input matrices for NaNs */
57 if( LAPACKE_cge_nancheck( matrix_layout, n, n, a, lda ) ) {
58 return -6;
59 }
60 if( LAPACKE_cge_nancheck( matrix_layout, n, n, af, ldaf ) ) {
61 return -8;
62 }
63 if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
64 return -13;
65 }
66 if( LAPACKE_lsame( equed, 'b' ) || LAPACKE_lsame( equed, 'c' ) ) {
67 if( LAPACKE_s_nancheck( n, c, 1 ) ) {
68 return -12;
69 }
70 }
71 if( nparams>0 ) {
72 if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
73 return -23;
74 }
75 }
76 if( LAPACKE_lsame( equed, 'b' ) || LAPACKE_lsame( equed, 'r' ) ) {
77 if( LAPACKE_s_nancheck( n, r, 1 ) ) {
78 return -11;
79 }
80 }
81 if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
82 return -15;
83 }
84 #endif
85 /* Allocate memory for working array(s) */
86 rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
87 if( rwork == NULL ) {
88 info = LAPACK_WORK_MEMORY_ERROR;
89 goto exit_level_0;
90 }
91 work = (lapack_complex_float*)
92 LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
93 if( work == NULL ) {
94 info = LAPACK_WORK_MEMORY_ERROR;
95 goto exit_level_1;
96 }
97 /* Call middle-level interface */
98 info = LAPACKE_cgerfsx_work( matrix_layout, trans, equed, n, nrhs, a, lda,
99 af, ldaf, ipiv, r, c, b, ldb, x, ldx, rcond,
100 berr, n_err_bnds, err_bnds_norm, err_bnds_comp,
101 nparams, params, work, rwork );
102 /* Release memory and exit */
103 LAPACKE_free( work );
104 exit_level_1:
105 LAPACKE_free( rwork );
106 exit_level_0:
107 if( info == LAPACK_WORK_MEMORY_ERROR ) {
108 LAPACKE_xerbla( "LAPACKE_cgerfsx", info );
109 }
110 return info;
111 }
112