lapacke_dptcon.c

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* Contents: Native high-level C interface to LAPACK function dptcon
* Author: Intel Corporation
* Generated November, 2011
*****************************************************************************/

#include "lapacke_utils.h"

lapack_int LAPACKE_dptcon( lapack_int n, const double* d, const double* e,
                           double anorm, double* rcond )
{
    lapack_int info = 0;
    double* work = NULL;
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
        return -4;
    }
    if( LAPACKE_d_nancheck( n, d, 1 ) ) {
        return -2;
    }
    if( LAPACKE_d_nancheck( n-1, e, 1 ) ) {
        return -3;
    }
#endif
    /* Allocate memory for working array(s) */
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dptcon_work( n, d, e, anorm, rcond, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dptcon", info );
    }
    return info;
}