Revision de4af5f7
| b/fpu/softfloat-specialize.h | ||
|---|---|---|
| 468 | 468 |
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/*---------------------------------------------------------------------------- |
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| Returns 1 if the extended double-precision floating-point value `a' is a |
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| quiet NaN; otherwise returns 0. |
|
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| quiet NaN; otherwise returns 0. This slightly differs from the same |
|
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| function for other types as floatx80 has an explicit bit. |
|
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*----------------------------------------------------------------------------*/ |
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|
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int floatx80_is_quiet_nan( floatx80 a ) |
| ... | ... | |
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&& (bits64) ( aLow<<1 ) |
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&& ( a.low == aLow ); |
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#else |
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return ( ( a.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( a.low<<1 ); |
|
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return ( ( a.high & 0x7FFF ) == 0x7FFF ) |
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&& (LIT64( 0x8000000000000000 ) <= ((bits64) ( a.low<<1 ))); |
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#endif |
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} |
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|
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/*---------------------------------------------------------------------------- |
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| Returns 1 if the extended double-precision floating-point value `a' is a |
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| signaling NaN; otherwise returns 0. |
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| signaling NaN; otherwise returns 0. This slightly differs from the same |
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| function for other types as floatx80 has an explicit bit. |
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*----------------------------------------------------------------------------*/ |
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|
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int floatx80_is_signaling_nan( floatx80 a ) |
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{
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#if SNAN_BIT_IS_ONE |
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return ( ( a.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( a.low<<1 ); |
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return ( ( a.high & 0x7FFF ) == 0x7FFF ) |
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&& (LIT64( 0x8000000000000000 ) <= ((bits64) ( a.low<<1 ))); |
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#else |
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bits64 aLow; |
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