/*--------------------------------------------------------------------

 *© Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

 *--------------------------------------------------------------------

*/

/*-

 * Copyright (c) 2005 David Schultz <das@FreeBSD.ORG>

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

#include <sys/cdefs.h>

#include <fenv.h>

#include <math.h>

#ifndef type

#ifndef __SYMBIAN32__

__FBSDID("$FreeBSD: src/lib/msun/src/s_lrint.c,v 1.1 2005/01/11 23:12:55 das Exp $");

#endif //__SYMBIAN32__

#define type		double

#define	roundit		rint

#define dtype		long

#define	fn		lrint

#endif

/*

 * C99 says we should not raise a spurious inexact exception when an

 * invalid exception is raised.  Unfortunately, the set of inputs

 * that overflows depends on the rounding mode when 'dtype' has more

 * significant bits than 'type'.  Hence, we bend over backwards for the

 * sake of correctness; an MD implementation could be more efficient.

 */

EXPORT_C dtype

fn(type x)

{

	fenv_t env;

	dtype d;

	feholdexcept(&env);

	d = (dtype)roundit(x);

	if (fetestexcept(FE_INVALID))

		feclearexcept(FE_INEXACT);

	feupdateenv(&env);

	return (d);

}