LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cspsv_work()

lapack_int LAPACKE_cspsv_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_int  nrhs,
lapack_complex_float ap,
lapack_int ipiv,
lapack_complex_float b,
lapack_int  ldb 
)

Definition at line 35 of file lapacke_cspsv_work.c.

39{
40 lapack_int info = 0;
41 if( matrix_layout == LAPACK_COL_MAJOR ) {
42 /* Call LAPACK function and adjust info */
43 LAPACK_cspsv( &uplo, &n, &nrhs, ap, ipiv, b, &ldb, &info );
44 if( info < 0 ) {
45 info = info - 1;
46 }
47 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48 lapack_int ldb_t = MAX(1,n);
49 lapack_complex_float* b_t = NULL;
50 lapack_complex_float* ap_t = NULL;
51 /* Check leading dimension(s) */
52 if( ldb < nrhs ) {
53 info = -8;
54 LAPACKE_xerbla( "LAPACKE_cspsv_work", info );
55 return info;
56 }
57 /* Allocate memory for temporary array(s) */
60 ldb_t * MAX(1,nrhs) );
61 if( b_t == NULL ) {
63 goto exit_level_0;
64 }
65 ap_t = (lapack_complex_float*)
67 ( MAX(1,n) * MAX(2,n+1) ) / 2 );
68 if( ap_t == NULL ) {
70 goto exit_level_1;
71 }
72 /* Transpose input matrices */
73 LAPACKE_cge_trans( matrix_layout, n, nrhs, b, ldb, b_t, ldb_t );
74 LAPACKE_csp_trans( matrix_layout, uplo, n, ap, ap_t );
75 /* Call LAPACK function and adjust info */
76 LAPACK_cspsv( &uplo, &n, &nrhs, ap_t, ipiv, b_t, &ldb_t, &info );
77 if( info < 0 ) {
78 info = info - 1;
79 }
80 /* Transpose output matrices */
81 LAPACKE_cge_trans( LAPACK_COL_MAJOR, n, nrhs, b_t, ldb_t, b, ldb );
82 LAPACKE_csp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
83 /* Release memory and exit */
84 LAPACKE_free( ap_t );
85exit_level_1:
86 LAPACKE_free( b_t );
87exit_level_0:
88 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
89 LAPACKE_xerbla( "LAPACKE_cspsv_work", info );
90 }
91 } else {
92 info = -1;
93 LAPACKE_xerbla( "LAPACKE_cspsv_work", info );
94 }
95 return info;
96}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_cspsv(...)
Definition: lapack.h:15701
#define lapack_complex_float
Definition: lapack.h:46
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:56
void LAPACKE_xerbla(const char *name, lapack_int info)
void LAPACKE_csp_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_complex_float *out)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_cge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
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