LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_clanhe_work()

float LAPACKE_clanhe_work ( int  matrix_layout,
char  norm,
char  uplo,
lapack_int  n,
const lapack_complex_float a,
lapack_int  lda,
float *  work 
)

Definition at line 35 of file lapacke_clanhe_work.c.

38{
39 lapack_int info = 0;
40 float res = 0.;
41 if( matrix_layout == LAPACK_COL_MAJOR ) {
42 /* Call LAPACK function and adjust info */
43 res = LAPACK_clanhe( &norm, &uplo, &n, a, &lda, work );
44 if( info < 0 ) {
45 info = info - 1;
46 }
47 } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
48 lapack_int lda_t = MAX(1,n);
49 lapack_complex_float* a_t = NULL;
50 /* Check leading dimension(s) */
51 if( lda < n ) {
52 info = -6;
53 LAPACKE_xerbla( "LAPACKE_clanhe_work", info );
54 return info;
55 }
56 /* Allocate memory for temporary array(s) */
58 LAPACKE_malloc( sizeof(lapack_complex_float) * lda_t * MAX(1,n) );
59 if( a_t == NULL ) {
61 goto exit_level_0;
62 }
63 /* Transpose input matrices */
64 LAPACKE_che_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
65 /* Call LAPACK function and adjust info */
66 res = LAPACK_clanhe( &norm, &uplo, &n, a_t, &lda_t, work );
67 info = 0; /* LAPACK call is ok! */
68 /* Release memory and exit */
69 LAPACKE_free( a_t );
70exit_level_0:
71 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
72 LAPACKE_xerbla( "LAPACKE_clanhe_work", info );
73 }
74 } else {
75 info = -1;
76 LAPACKE_xerbla( "LAPACKE_clanhe_work", info );
77 }
78 return res;
79}
#define LAPACK_clanhe(...)
Definition: lapack.h:9737
#define lapack_int
Definition: lapack.h:87
#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_che_trans(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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