LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cgerfsx()

lapack_int 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 
)

Definition at line 35 of file lapacke_cgerfsx.c.

46{
47 lapack_int info = 0;
48 float* rwork = NULL;
49 lapack_complex_float* work = NULL;
50 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
51 LAPACKE_xerbla( "LAPACKE_cgerfsx", -1 );
52 return -1;
53 }
54#ifndef LAPACK_DISABLE_NAN_CHECK
55 if( LAPACKE_get_nancheck() ) {
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 }
85#endif
86 /* Allocate memory for working array(s) */
87 rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
88 if( rwork == NULL ) {
90 goto exit_level_0;
91 }
92 work = (lapack_complex_float*)
93 LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
94 if( work == NULL ) {
96 goto exit_level_1;
97 }
98 /* Call middle-level interface */
99 info = LAPACKE_cgerfsx_work( matrix_layout, trans, equed, n, nrhs, a, lda,
100 af, ldaf, ipiv, r, c, b, ldb, x, ldx, rcond,
101 berr, n_err_bnds, err_bnds_norm, err_bnds_comp,
102 nparams, params, work, rwork );
103 /* Release memory and exit */
104 LAPACKE_free( work );
105exit_level_1:
106 LAPACKE_free( rwork );
107exit_level_0:
108 if( info == LAPACK_WORK_MEMORY_ERROR ) {
109 LAPACKE_xerbla( "LAPACKE_cgerfsx", info );
110 }
111 return info;
112}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_float
Definition: lapack.h:46
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
lapack_int LAPACKE_cgerfsx_work(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, lapack_complex_float *work, float *rwork)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
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