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lapacke_cheswapr_work.c File Reference
#include "lapacke_utils.h"
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Functions

lapack_int LAPACKE_cheswapr_work (int matrix_order, char uplo, lapack_int n, lapack_complex_float *a, lapack_int i1, lapack_int i2)
 

Function Documentation

lapack_int LAPACKE_cheswapr_work ( int  matrix_order,
char  uplo,
lapack_int  n,
lapack_complex_float a,
lapack_int  i1,
lapack_int  i2 
)

Definition at line 36 of file lapacke_cheswapr_work.c.

39 {
40  lapack_int info = 0;
41  if( matrix_order == LAPACK_COL_MAJOR ) {
42  /* Call LAPACK function and adjust info */
43  LAPACK_cheswapr( &uplo, &n, a, &i1, &i2 );
44  if( info < 0 ) {
45  info = info - 1;
46  }
47  } else if( matrix_order == LAPACK_ROW_MAJOR ) {
48  lapack_complex_float* a_t = NULL;
49  /* Allocate memory for temporary array(s) */
50  a_t = (lapack_complex_float*)
51  LAPACKE_malloc( sizeof(lapack_complex_float) * n * MAX(1,n) );
52  if( a_t == NULL ) {
54  goto exit_level_0;
55  }
56  /* Transpose input matrices */
57  LAPACKE_che_trans( matrix_order, uplo, n, a, n, a_t, n );
58  /* Call LAPACK function and adjust info */
59  LAPACK_cheswapr( &uplo, &n, a_t, &i1, &i2 );
60  info = 0; /* LAPACK call is ok! */
61  /* Transpose output matrices */
62  LAPACKE_che_trans( LAPACK_COL_MAJOR, uplo, n, a_t, n, a, n );
63  /* Release memory and exit */
64  LAPACKE_free( a_t );
65 exit_level_0:
66  if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
67  LAPACKE_xerbla( "LAPACKE_cheswapr_work", info );
68  }
69  } else {
70  info = -1;
71  LAPACKE_xerbla( "LAPACKE_cheswapr_work", info );
72  }
73  return info;
74 }
#define lapack_complex_float
Definition: lapacke.h:74
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
#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
void LAPACK_cheswapr(char *uplo, lapack_int *n, lapack_complex_float *a, lapack_int *i1, lapack_int *i2)
void LAPACKE_che_trans(int matrix_order, char uplo, lapack_int n, const lapack_complex_float *in, lapack_int ldin, lapack_complex_float *out, lapack_int ldout)
#define LAPACK_TRANSPOSE_MEMORY_ERROR
Definition: lapacke.h:123
set ue cd $ADTTMP cat<< EOF > tmp c void LAPACKE_xerbla(const char *name, lapack_int info)
Definition: xerbla-c:8
#define lapack_int
Definition: lapacke.h:47

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