LAPACK  3.10.0
LAPACK: Linear Algebra PACKage

◆ LAPACKE_strttp_work()

lapack_int LAPACKE_strttp_work ( int  matrix_layout,
char  uplo,
lapack_int  n,
const float *  a,
lapack_int  lda,
float *  ap 
)

Definition at line 35 of file lapacke_strttp_work.c.

37 {
38  lapack_int info = 0;
39  if( matrix_layout == LAPACK_COL_MAJOR ) {
40  /* Call LAPACK function and adjust info */
41  LAPACK_strttp( &uplo, &n, a, &lda, ap, &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  float* a_t = NULL;
48  float* ap_t = NULL;
49  /* Check leading dimension(s) */
50  if( lda < n ) {
51  info = -5;
52  LAPACKE_xerbla( "LAPACKE_strttp_work", info );
53  return info;
54  }
55  /* Allocate memory for temporary array(s) */
56  a_t = (float*)LAPACKE_malloc( sizeof(float) * lda_t * MAX(1,n) );
57  if( a_t == NULL ) {
59  goto exit_level_0;
60  }
61  ap_t = (float*)
62  LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
63  if( ap_t == NULL ) {
65  goto exit_level_1;
66  }
67  /* Transpose input matrices */
68  LAPACKE_sge_trans( matrix_layout, n, n, a, lda, a_t, lda_t );
69  /* Call LAPACK function and adjust info */
70  LAPACK_strttp( &uplo, &n, a_t, &lda_t, ap_t, &info );
71  if( info < 0 ) {
72  info = info - 1;
73  }
74  /* Transpose output matrices */
75  LAPACKE_spp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
76  /* Release memory and exit */
77  LAPACKE_free( ap_t );
78 exit_level_1:
79  LAPACKE_free( a_t );
80 exit_level_0:
81  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
82  LAPACKE_xerbla( "LAPACKE_strttp_work", info );
83  }
84  } else {
85  info = -1;
86  LAPACKE_xerbla( "LAPACKE_strttp_work", info );
87  }
88  return info;
89 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_strttp(...)
Definition: lapack.h:22235
#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_spp_trans(int matrix_layout, char uplo, lapack_int n, const float *in, float *out)
void LAPACKE_sge_trans(int matrix_layout, lapack_int m, lapack_int n, const float *in, lapack_int ldin, float *out, lapack_int ldout)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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