LAPACK  3.6.1
LAPACK: Linear Algebra PACKage
lapacke_stprfs.c
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28 *****************************************************************************
29 * Contents: Native high-level C interface to LAPACK function stprfs
30 * Author: Intel Corporation
31 * Generated November 2015
32 *****************************************************************************/
33 
34 #include "lapacke_utils.h"
35 
36 lapack_int LAPACKE_stprfs( int matrix_layout, char uplo, char trans, char diag,
37  lapack_int n, lapack_int nrhs, const float* ap,
38  const float* b, lapack_int ldb, const float* x,
39  lapack_int ldx, float* ferr, float* berr )
40 {
41  lapack_int info = 0;
42  lapack_int* iwork = NULL;
43  float* work = NULL;
44  if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45  LAPACKE_xerbla( "LAPACKE_stprfs", -1 );
46  return -1;
47  }
48 #ifndef LAPACK_DISABLE_NAN_CHECK
49  /* Optionally check input matrices for NaNs */
50  if( LAPACKE_stp_nancheck( matrix_layout, uplo, diag, n, ap ) ) {
51  return -7;
52  }
53  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
54  return -8;
55  }
56  if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
57  return -10;
58  }
59 #endif
60  /* Allocate memory for working array(s) */
61  iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
62  if( iwork == NULL ) {
64  goto exit_level_0;
65  }
66  work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
67  if( work == NULL ) {
69  goto exit_level_1;
70  }
71  /* Call middle-level interface */
72  info = LAPACKE_stprfs_work( matrix_layout, uplo, trans, diag, n, nrhs, ap, b,
73  ldb, x, ldx, ferr, berr, work, iwork );
74  /* Release memory and exit */
75  LAPACKE_free( work );
76 exit_level_1:
77  LAPACKE_free( iwork );
78 exit_level_0:
79  if( info == LAPACK_WORK_MEMORY_ERROR ) {
80  LAPACKE_xerbla( "LAPACKE_stprfs", info );
81  }
82  return info;
83 }
lapack_int LAPACKE_stprfs_work(int matrix_layout, char uplo, char trans, char diag, lapack_int n, lapack_int nrhs, const float *ap, const float *b, lapack_int ldb, const float *x, lapack_int ldx, float *ferr, float *berr, float *work, lapack_int *iwork)
lapack_int LAPACKE_stprfs(int matrix_layout, char uplo, char trans, char diag, lapack_int n, lapack_int nrhs, const float *ap, const float *b, lapack_int ldb, const float *x, lapack_int ldx, float *ferr, float *berr)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:119
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:122
lapack_logical LAPACKE_stp_nancheck(int matrix_layout, char uplo, char diag, lapack_int n, const float *ap)
lapack_logical LAPACKE_sge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:47
#define LAPACKE_free(p)
Definition: lapacke.h:113
#define LAPACKE_malloc(size)
Definition: lapacke.h:110
#define LAPACK_COL_MAJOR
Definition: lapacke.h:120
void LAPACKE_xerbla(const char *name, lapack_int info)
#define lapack_int
Definition: lapacke.h:47