LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zpotrf2_work()

lapack_int LAPACKE_zpotrf2_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda 
)

Definition at line 35 of file lapacke_zpotrf2_work.c.

37{
38 lapack_int info = 0;
39 if( matrix_layout == LAPACK_COL_MAJOR ) {
40 /* Call LAPACK function and adjust info */
41 LAPACK_zpotrf2( &uplo, &n, a, &lda, &info );
42 if( info < 0 ) {
43 info = info - 1;
44 }
45 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
46 lapack_int lda_t = MAX(1,n);
47 lapack_complex_double* a_t = NULL;
48 /* Check leading dimension(s) */
49 if( lda < n ) {
50 info = -5;
51 LAPACKE_xerbla( "LAPACKE_zpotrf2_work", info );
52 return info;
53 }
54 /* Allocate memory for temporary array(s) */
56 LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
57 if( a_t == NULL ) {
59 goto exit_level_0;
60 }
61 /* Transpose input matrices */
62 LAPACKE_zpo_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
63 /* Call LAPACK function and adjust info */
64 LAPACK_zpotrf2( &uplo, &n, a_t, &lda_t, &info );
65 if( info < 0 ) {
66 info = info - 1;
67 }
68 /* Transpose output matrices */
69 LAPACKE_zpo_trans( LAPACK_COL_MAJOR, uplo, n, a_t, lda_t, a, lda );
70 /* Release memory and exit */
71 LAPACKE_free( a_t );
72exit_level_0:
73 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
74 LAPACKE_xerbla( "LAPACKE_zpotrf2_work", info );
75 }
76 } else {
77 info = -1;
78 LAPACKE_xerbla( "LAPACKE_zpotrf2_work", info );
79 }
80 return info;
81}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_zpotrf2(...)
Definition: lapack.h:13500
#define lapack_complex_double
Definition: lapack.h:64
#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)
#define MAX(x, y)
Definition: lapacke_utils.h:46
void LAPACKE_zpo_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
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