LAPACKE_cptcon()

lapack_int LAPACKE_cptcon	(	lapack_int	n,
		const float *	d,
		const lapack_complex_float *	e,
		float	anorm,
		float *	rcond
	)

Definition at line 35 of file lapacke_cptcon.c.

{
    lapack_int info = 0;
    float* work = NULL;
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
            return -4;
        }
        if( LAPACKE_s_nancheck( n, d, 1 ) ) {
            return -2;
        }
        if( LAPACKE_c_nancheck( n-1, e, 1 ) ) {
            return -3;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_cptcon_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_cptcon", info );
    }
    return info;

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