LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cgesvxx()

lapack_int LAPACKE_cgesvxx ( int  matrix_layout,
char  fact,
char  trans,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_float a,
lapack_int  lda,
lapack_complex_float af,
lapack_int  ldaf,
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 *  rpvgrw,
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_cgesvxx.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_cgesvxx", -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_lsame( fact, 'f' ) ) {
61 if( LAPACKE_cge_nancheck( matrix_layout, n, n, af, ldaf ) ) {
62 return -8;
63 }
64 }
65 if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
66 return -14;
67 }
68 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
69 LAPACKE_lsame( *equed, 'c' ) ) ) {
70 if( LAPACKE_s_nancheck( n, c, 1 ) ) {
71 return -13;
72 }
73 }
74 if( nparams>0 ) {
75 if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
76 return -25;
77 }
78 }
79 if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
80 LAPACKE_lsame( *equed, 'r' ) ) ) {
81 if( LAPACKE_s_nancheck( n, r, 1 ) ) {
82 return -12;
83 }
84 }
85 }
86#endif
87 /* Allocate memory for working array(s) */
88 rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
89 if( rwork == NULL ) {
91 goto exit_level_0;
92 }
93 work = (lapack_complex_float*)
94 LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
95 if( work == NULL ) {
97 goto exit_level_1;
98 }
99 /* Call middle-level interface */
100 info = LAPACKE_cgesvxx_work( matrix_layout, fact, trans, n, nrhs, a, lda, af,
101 ldaf, ipiv, equed, r, c, b, ldb, x, ldx, rcond,
102 rpvgrw, berr, n_err_bnds, err_bnds_norm,
103 err_bnds_comp, nparams, params, work, rwork );
104 /* Release memory and exit */
105 LAPACKE_free( work );
106exit_level_1:
107 LAPACKE_free( rwork );
108exit_level_0:
109 if( info == LAPACK_WORK_MEMORY_ERROR ) {
110 LAPACKE_xerbla( "LAPACKE_cgesvxx", info );
111 }
112 return info;
113}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_float
Definition: lapack.h:46
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
lapack_int LAPACKE_cgesvxx_work(int matrix_layout, char fact, char trans, lapack_int n, lapack_int nrhs, lapack_complex_float *a, lapack_int lda, lapack_complex_float *af, lapack_int ldaf, 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 *rpvgrw, 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_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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