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lapacke_sppequ_work.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

lapack_int LAPACKE_sppequ_work (int matrix_order, char uplo, lapack_int n, const float *ap, float *s, float *scond, float *amax)

Function/Subroutine Documentation

lapack_int LAPACKE_sppequ_work ( int  matrix_order,
char  uplo,
lapack_int  n,
const float *  ap,
float *  s,
float *  scond,
float *  amax 
)

Definition at line 36 of file lapacke_sppequ_work.c.

{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_sppequ( &uplo, &n, ap, s, scond, amax, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
float* ap_t = NULL;
/* Allocate memory for temporary array(s) */
ap_t = (float*)
LAPACKE_malloc( sizeof(float) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
goto exit_level_0;
}
/* Transpose input matrices */
LAPACKE_spp_trans( matrix_order, uplo, n, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_sppequ( &uplo, &n, ap_t, s, scond, amax, &info );
if( info < 0 ) {
info = info - 1;
}
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_0:
LAPACKE_xerbla( "LAPACKE_sppequ_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_sppequ_work", info );
}
return info;
}

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