LAPACK 3.11.0 LAPACK: Linear Algebra PACKage
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## ◆ LAPACKE_zpoequ_work()

 lapack_int LAPACKE_zpoequ_work ( int matrix_layout, lapack_int n, const lapack_complex_double * a, lapack_int lda, double * s, double * scond, double * amax )

Definition at line 35 of file lapacke_zpoequ_work.c.

38{
39 lapack_int info = 0;
40 if( matrix_layout == LAPACK_COL_MAJOR ) {
41 /* Call LAPACK function and adjust info */
42 LAPACK_zpoequ( &n, a, &lda, s, scond, amax, &info );
43 if( info < 0 ) {
44 info = info - 1;
45 }
46 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
47 lapack_int lda_t = MAX(1,n);
48 lapack_complex_double* a_t = NULL;
49 /* Check leading dimension(s) */
50 if( lda < n ) {
51 info = -4;
52 LAPACKE_xerbla( "LAPACKE_zpoequ_work", info );
53 return info;
54 }
55 /* Allocate memory for temporary array(s) */
57 LAPACKE_malloc( sizeof(lapack_complex_double) * lda_t * MAX(1,n) );
58 if( a_t == NULL ) {
60 goto exit_level_0;
61 }
62 /* Transpose input matrices */
63 LAPACKE_zge_trans( matrix_layout, n, n, a, lda, a_t, lda_t );
64 /* Call LAPACK function and adjust info */
65 LAPACK_zpoequ( &n, a_t, &lda_t, s, scond, amax, &info );
66 if( info < 0 ) {
67 info = info - 1;
68 }
69 /* Release memory and exit */
70 LAPACKE_free( a_t );
71exit_level_0:
72 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
73 LAPACKE_xerbla( "LAPACKE_zpoequ_work", info );
74 }
75 } else {
76 info = -1;
77 LAPACKE_xerbla( "LAPACKE_zpoequ_work", info );
78 }
79 return info;
80}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_zpoequ
Definition: lapack.h:12739
#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)
void LAPACKE_zge_trans(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *in, lapack_int ldin, lapack_complex_double *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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