28 lines
		
	
	
		
			382 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			382 B
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * __isinff(x) returns 1 if x is +-infinity, else 0;
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|  * Added by Cygnus Support.
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|  */
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| 
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| #include "fdlibm.h"
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| 
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| int
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| _DEFUN (__isinff, (x),
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| 	float x)
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| {
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| 	__int32_t ix;
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| 	GET_FLOAT_WORD(ix,x);
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| 	ix &= 0x7fffffff;
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| 	return FLT_UWORD_IS_INFINITE(ix);
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| }
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| 
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| #ifdef _DOUBLE_IS_32BITS
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| 
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| int
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| _DEFUN (__isinfd, (x),
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| 	double x)
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| {
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| 	return __isinff((float) x);
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| }
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| 
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| #endif /* defined(_DOUBLE_IS_32BITS) */
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