/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (the "License").  You may not use this file except in compliance

 * with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.

 * Use is subject to license terms.

 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*	Copyright (c) 1988 AT&T	*/

/*	  All Rights Reserved  	*/

#include "synonyms.h"

#include <errno.h>

#include <stdio.h>

#include <values.h>

#include <floatingpoint.h>

#include <stdlib.h>

#include <sys/types.h>

#include "libc.h"

#include "xpg6.h"

double

strtod(const char *cp, char **ptr)

{

	double		x;

	decimal_mode	mr;

	decimal_record  dr;

	fp_exception_field_type fs;

	enum decimal_string_form form;

	char		*pechar;

	int		lc;

	lc = (__xpg6 & _C99SUSv3_recognize_hexfp)? -1 : 0;

	string_to_decimal((char **)&cp, MAXINT, lc, &dr, &form, &pechar);

	if (ptr != NULL)

		*ptr = (char *)cp;

	if (form == invalid_form)

		return (0.0);	/* Shameful kluge for SVID's sake. */

#if defined(__sparc)

	mr.rd = _QgetRD();

#elif defined(__i386) || defined(__amd64)

	mr.rd = __xgetRD();

#else

#error Unknown architecture

#endif

	if ((int)form < 0)

		__hex_to_double(&dr, mr.rd, &x, &fs);

	else

		decimal_to_double(&x, &mr, &dr, &fs);

	if (fs & ((1 << fp_overflow) | (1 << fp_underflow)))

		errno = ERANGE;

	return (x);

}

float

strtof(const char *cp, char **ptr)

{

	float		x;

	decimal_mode	mr;

	decimal_record	dr;

	fp_exception_field_type fs;

	enum decimal_string_form form;

	char		*pechar;

	string_to_decimal((char **)&cp, MAXINT, -1, &dr, &form, &pechar);

	if (ptr != NULL)

		*ptr = (char *)cp;

	if (form == invalid_form)

		return (0.0f);

#if defined(__sparc)

	mr.rd = _QgetRD();

#elif defined(__i386) || defined(__amd64)

	mr.rd = __xgetRD();

#else

#error Unknown architecture

#endif

	if ((int)form < 0)

		__hex_to_single(&dr, mr.rd, &x, &fs);

	else

		decimal_to_single(&x, &mr, &dr, &fs);

	if (fs & ((1 << fp_overflow) | (1 << fp_underflow)))

		errno = ERANGE;

	return (x);

}

long double

strtold(const char *cp, char **ptr)

{

	long double	x;

	decimal_mode	mr;

	decimal_record	dr;

	fp_exception_field_type fs;

	enum decimal_string_form form;

	char		*pechar;

	string_to_decimal((char **)&cp, MAXINT, -1, &dr, &form, &pechar);

	if (ptr != NULL)

		*ptr = (char *)cp;

	if (form == invalid_form)

		return (0.0L);

#if defined(__sparc)

	mr.rd = _QgetRD();

	if ((int)form < 0)

		__hex_to_quadruple(&dr, mr.rd, &x, &fs);

	else

		decimal_to_quadruple(&x, &mr, &dr, &fs);

#elif defined(__i386) || defined(__amd64)

	mr.rd = __xgetRD();

	if ((int)form < 0)

		__hex_to_extended(&dr, mr.rd, (extended *)&x, &fs);

	else

		decimal_to_extended((extended *)&x, &mr, &dr, &fs);

#else

#error Unknown architecture

#endif

	if (fs & ((1 << fp_overflow) | (1 << fp_underflow)))

		errno = ERANGE;

	return (x);

}