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

 lapack_int LAPACKE_ctrttp_work ( int matrix_layout, char uplo, lapack_int n, const lapack_complex_float * a, lapack_int lda, lapack_complex_float * ap )

Definition at line 35 of file lapacke_ctrttp_work.c.

38{
39 lapack_int info = 0;
40 if( matrix_layout == LAPACK_COL_MAJOR ) {
41 /* Call LAPACK function and adjust info */
42 LAPACK_ctrttp( &uplo, &n, a, &lda, ap, &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_float* a_t = NULL;
49 lapack_complex_float* ap_t = NULL;
50 /* Check leading dimension(s) */
51 if( lda < n ) {
52 info = -5;
53 LAPACKE_xerbla( "LAPACKE_ctrttp_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 ap_t = (lapack_complex_float*)
65 ( MAX(1,n) * MAX(2,n+1) ) / 2 );
66 if( ap_t == NULL ) {
68 goto exit_level_1;
69 }
70 /* Transpose input matrices */
71 LAPACKE_cge_trans( matrix_layout, n, n, a, lda, a_t, lda_t );
72 /* Call LAPACK function and adjust info */
73 LAPACK_ctrttp( &uplo, &n, a_t, &lda_t, ap_t, &info );
74 if( info < 0 ) {
75 info = info - 1;
76 }
77 /* Transpose output matrices */
78 LAPACKE_cpp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
79 /* Release memory and exit */
80 LAPACKE_free( ap_t );
81exit_level_1:
82 LAPACKE_free( a_t );
83exit_level_0:
84 if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
85 LAPACKE_xerbla( "LAPACKE_ctrttp_work", info );
86 }
87 } else {
88 info = -1;
89 LAPACKE_xerbla( "LAPACKE_ctrttp_work", info );
90 }
91 return info;
92}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_ctrttp(...)
Definition: lapack.h:22295
#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_cpp_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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