LAPACK  3.10.1
LAPACK: Linear Algebra PACKage

◆ LAPACKE_clantr_work()

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

Definition at line 35 of file lapacke_clantr_work.c.

39 {
40  lapack_int info = 0;
41  float res = 0.;
42  if( matrix_layout == LAPACK_COL_MAJOR ) {
43  /* Call LAPACK function */
44  res = LAPACK_clantr( &norm, &uplo, &diag, &m, &n, a, &lda, work );
45  } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
46  float* work_lapack = NULL;
47  char norm_lapack;
48  char uplo_lapack;
49  /* Check leading dimension(s) */
50  if( lda < n ) {
51  info = -8;
52  LAPACKE_xerbla( "LAPACKE_clantr_work", info );
53  return info;
54  }
55  if( LAPACKE_lsame( norm, '1' ) || LAPACKE_lsame( norm, 'o' ) ) {
56  norm_lapack = 'i';
57  } else if( LAPACKE_lsame( norm, 'i' ) ) {
58  norm_lapack = '1';
59  } else {
60  norm_lapack = norm;
61  }
62  if( LAPACKE_lsame( uplo, 'u' ) ) {
63  uplo_lapack = 'l';
64  } else {
65  uplo_lapack = 'u';
66  }
67  /* Allocate memory for work array(s) */
68  if( LAPACKE_lsame( norm_lapack, 'i' ) ) {
69  work_lapack = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
70  if( work_lapack == NULL ) {
72  goto exit_level_0;
73  }
74  }
75  /* Call LAPACK function */
76  res = LAPACK_clantr( &norm_lapack, &uplo_lapack, &diag, &n, &m, a, &lda, work_lapack );
77  /* Release memory and exit */
78  if( work_lapack ) {
79  LAPACKE_free( work_lapack );
80  }
81 exit_level_0:
82  if( info == LAPACK_WORK_MEMORY_ERROR ) {
83  LAPACKE_xerbla( "LAPACKE_clantr_work", info );
84  }
85  } else {
86  info = -1;
87  LAPACKE_xerbla( "LAPACKE_clantr_work", info );
88  }
89  return res;
90 }
#define lapack_int
Definition: lapack.h:83
#define LAPACK_clantr(...)
Definition: lapack.h:10233
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#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
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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