[people/ms/u-boot.git] / post / lib_ppc / fpu / 20010114-2.c

/*
 * Copyright (C) 2007
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
/*
 * This file is originally a part of the GCC testsuite.
 */

#include <common.h>

#include <post.h>

#if CONFIG_POST & CONFIG_SYS_POST_FPU

static float rintf (float x)
{
	volatile float TWO23 = 8388608.0;

	if (__builtin_fabs (x) < TWO23)
	{
		if (x > 0.0)
		{
			x += TWO23;
			x -= TWO23;
		}
		else if (x < 0.0)
		{
			x = TWO23 - x;
			x = -(x - TWO23);
		}
	}

	return x;
}

int fpu_post_test_math2 (void)
{
	if (rintf (-1.5) != -2.0) {
		post_log ("Error in FPU math2 test\n");
		return -1;
	}
	return 0;
}

#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
Commit	Line	Data
b4489621 SP	1	/*
	2	* Copyright (C) 2007
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23	/*
	24	* This file is originally a part of the GCC testsuite.
	25	*/
	26
	27	#include <common.h>
	28
b4489621 SP	29	#include <post.h>
b4489621 SP	30
6d0f6bcf	31	#if CONFIG_POST & CONFIG_SYS_POST_FPU
b4489621 SP	32
	33	static float rintf (float x)
	34	{
	35	volatile float TWO23 = 8388608.0;
	36
	37	if (__builtin_fabs (x) < TWO23)
	38	{
	39	if (x > 0.0)
	40	{
	41	x += TWO23;
	42	x -= TWO23;
	43	}
	44	else if (x < 0.0)
	45	{
	46	x = TWO23 - x;
	47	x = -(x - TWO23);
	48	}
	49	}
	50
	51	return x;
	52	}
	53
	54	int fpu_post_test_math2 (void)
	55	{
	56	if (rintf (-1.5) != -2.0) {
	57	post_log ("Error in FPU math2 test\n");
	58	return -1;
	59	}
	60	return 0;
	61	}
	62
6d0f6bcf	63	#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */