LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zcgesv()

lapack_int LAPACKE_zcgesv ( int  matrix_layout,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_double a,
lapack_int  lda,
lapack_int ipiv,
lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double x,
lapack_int  ldx,
lapack_int iter 
)

Definition at line 35 of file lapacke_zcgesv.c.

40{
41 lapack_int info = 0;
42 double* rwork = NULL;
43 lapack_complex_float* swork = NULL;
44 lapack_complex_double* work = NULL;
45 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46 LAPACKE_xerbla( "LAPACKE_zcgesv", -1 );
47 return -1;
48 }
49#ifndef LAPACK_DISABLE_NAN_CHECK
50 if( LAPACKE_get_nancheck() ) {
51 /* Optionally check input matrices for NaNs */
52 if( LAPACKE_zge_nancheck( matrix_layout, n, n, a, lda ) ) {
53 return -4;
54 }
55 if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
56 return -7;
57 }
58 }
59#endif
60 /* Allocate memory for working array(s) */
61 rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
62 if( rwork == NULL ) {
64 goto exit_level_0;
65 }
66 swork = (lapack_complex_float*)
68 MAX(1,n) * MAX(1,n+nrhs) );
69 if( swork == NULL ) {
71 goto exit_level_1;
72 }
73 work = (lapack_complex_double*)
75 MAX(1,n) * MAX(1,nrhs) );
76 if( work == NULL ) {
78 goto exit_level_2;
79 }
80 /* Call middle-level interface */
81 info = LAPACKE_zcgesv_work( matrix_layout, n, nrhs, a, lda, ipiv, b, ldb, x,
82 ldx, work, swork, rwork, iter );
83 /* Release memory and exit */
84 LAPACKE_free( work );
85exit_level_2:
86 LAPACKE_free( swork );
87exit_level_1:
88 LAPACKE_free( rwork );
89exit_level_0:
90 if( info == LAPACK_WORK_MEMORY_ERROR ) {
91 LAPACKE_xerbla( "LAPACKE_zcgesv", info );
92 }
93 return info;
94}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_double
Definition: lapack.h:64
#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
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_int LAPACKE_zcgesv_work(int matrix_layout, lapack_int n, lapack_int nrhs, lapack_complex_double *a, lapack_int lda, lapack_int *ipiv, lapack_complex_double *b, lapack_int ldb, lapack_complex_double *x, lapack_int ldx, lapack_complex_double *work, lapack_complex_float *swork, double *rwork, lapack_int *iter)
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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