45 lines
		
	
	
		
			602 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			602 B
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (C) 2007
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|  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| /*
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|  * This file is originally a part of the GCC testsuite.
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|  */
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| 
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| #include <common.h>
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| 
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| #include <post.h>
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| 
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| GNU_FPOST_ATTR
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| 
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| #if CONFIG_POST & CONFIG_SYS_POST_FPU
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| 
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| int fpu_post_test_math1 (void)
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| {
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| 	volatile double a;
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| 	double c, d;
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| 	volatile double b;
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| 
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| 	d = 1.0;
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| 
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| 	do
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| 	{
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| 		c = d;
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| 		d = c * 0.5;
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| 		b = 1 + d;
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| 	} while (b != 1.0);
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| 
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| 	a = 1.0 + c;
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| 
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| 	if (a == 1.0) {
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| 		post_log ("Error in FPU math1 test\n");
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| 		return -1;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
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