LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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lapacke_slange.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

float LAPACKE_slange (int matrix_order, char norm, lapack_int m, lapack_int n, const float *a, lapack_int lda)

Function/Subroutine Documentation

float LAPACKE_slange ( int  matrix_order,
char  norm,
lapack_int  m,
lapack_int  n,
const float *  a,
lapack_int  lda 
)

Definition at line 36 of file lapacke_slange.c.

{
lapack_int info = 0;
float res = 0.;
float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_slange", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_sge_nancheck( matrix_order, m, n, a, lda ) ) {
return -5;
}
#endif
/* Allocate memory for working array(s) */
if( LAPACKE_lsame( norm, 'i' ) ) {
work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,m) );
if( work == NULL ) {
goto exit_level_0;
}
}
/* Call middle-level interface */
res = LAPACKE_slange_work( matrix_order, norm, m, n, a, lda, work );
/* Release memory and exit */
if( LAPACKE_lsame( norm, 'i' ) ) {
LAPACKE_free( work );
}
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_slange", info );
}
return res;
}

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