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softfloat: Add minNum() and maxNum() functions to softfloat.

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Add floatnn_minnum() and floatnn_maxnum() functions which are equivalent
to the minNum() and maxNum() functions from IEEE 754-2008. They are
similar to min() and max() but differ in the handling of QNaN arguments.

Signed-off-by: Will Newton <will.newton@linaro.org>
Message-id: 1386158099-9239-5-git-send-email-will.newton@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Will Newton 2013-12-06 17:01:41 +00:00 • committed by Peter Maydell
parent e70614eaa0
commit e17ab310e9
2 changed files with 33 additions and 3 deletions
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4
include/fpu/softfloat.h
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@ -302,6 +302,8 @@ int float32_compare( float32, float32 STATUS_PARAM );
int float32_compare_quiet( float32, float32 STATUS_PARAM );
float32 float32_min(float32, float32 STATUS_PARAM);
float32 float32_max(float32, float32 STATUS_PARAM);
float32 float32_minnum(float32, float32 STATUS_PARAM);
float32 float32_maxnum(float32, float32 STATUS_PARAM);
int float32_is_quiet_nan( float32 );
int float32_is_signaling_nan( float32 );
float32 float32_maybe_silence_nan( float32 );
@ -408,6 +410,8 @@ int float64_compare( float64, float64 STATUS_PARAM );
int float64_compare_quiet( float64, float64 STATUS_PARAM );
float64 float64_min(float64, float64 STATUS_PARAM);
float64 float64_max(float64, float64 STATUS_PARAM);
float64 float64_minnum(float64, float64 STATUS_PARAM);
float64 float64_maxnum(float64, float64 STATUS_PARAM);
int float64_is_quiet_nan( float64 a );
int float64_is_signaling_nan( float64 );
float64 float64_maybe_silence_nan( float64 );