LAPACK  3.5.0
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lapacke_slantr.c File Reference
#include "lapacke_utils.h"
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Functions

float LAPACKE_slantr (int matrix_order, char norm, char uplo, char diag, lapack_int m, lapack_int n, const float *a, lapack_int lda)
 

Function Documentation

float LAPACKE_slantr ( int  matrix_order,
char  norm,
char  uplo,
char  diag,
lapack_int  m,
lapack_int  n,
const float *  a,
lapack_int  lda 
)

Definition at line 36 of file lapacke_slantr.c.

39 {
40  lapack_int info = 0;
41  float res = 0.;
42  float* work = NULL;
43  if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
44  LAPACKE_xerbla( "LAPACKE_slantr", -1 );
45  return -1;
46  }
47 #ifndef LAPACK_DISABLE_NAN_CHECK
48  /* Optionally check input matrices for NaNs */
49  if( LAPACKE_str_nancheck( matrix_order, uplo, diag, n, a, lda ) ) {
50  return -7;
51  }
52 #endif
53  /* Allocate memory for working array(s) */
54  if( LAPACKE_lsame( norm, 'i' ) || LAPACKE_lsame( norm, '1' ) ||
55  LAPACKE_lsame( norm, '0' ) ) {
56  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,m) );
57  if( work == NULL ) {
59  goto exit_level_0;
60  }
61  }
62  /* Call middle-level interface */
63  res = LAPACKE_slantr_work( matrix_order, norm, uplo, diag, m, n, a, lda,
64  work );
65  /* Release memory and exit */
66  if( LAPACKE_lsame( norm, 'i' ) || LAPACKE_lsame( norm, '1' ) ||
67  LAPACKE_lsame( norm, '0' ) ) {
68  LAPACKE_free( work );
69  }
70 exit_level_0:
71  if( info == LAPACK_WORK_MEMORY_ERROR ) {
72  LAPACKE_xerbla( "LAPACKE_slantr", info );
73  }
74  return res;
75 }
lapack_logical LAPACKE_str_nancheck(int matrix_order, char uplo, char diag, lapack_int n, const float *a, lapack_int lda)
float LAPACKE_slantr_work(int matrix_order, char norm, char uplo, char diag, lapack_int m, lapack_int n, const float *a, lapack_int lda, float *work)
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:36
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
#define lapack_int
Definition: lapacke.h:47

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