24 lines
		
	
	
		
			545 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			545 B
		
	
	
	
		
			C
		
	
	
	
| /**
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|  * This file has no copyright assigned and is placed in the Public Domain.
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|  * This file is part of the mingw-w64 runtime package.
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|  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
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|  */
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| #include <math.h>
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| #include <errno.h>
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| 
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| long double ldexpl(long double x, int expn)
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| {
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|   long double res = 0.0L;
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|   if (!isfinite (x) || x == 0.0L)
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|     return x;
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| 
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|   __asm__ __volatile__ ("fscale"
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| 	    : "=t" (res)
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| 	    : "0" (x), "u" ((long double) expn));
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| 
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|   if (!isfinite (res) || res == 0.0L)
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|     errno = ERANGE;
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| 
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|   return res;
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| }
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