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1906 serge 1 
#include
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int __fpclassifyl (long double _x){
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  unsigned short sw;
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  __asm__ (
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	"fxam; fstsw %%ax;"
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	: "=a" (sw)
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	: "t" (_x)
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	);
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  return sw & (FP_NAN | FP_NORMAL | FP_ZERO );
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}