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-rw-r--r--include/fpu/softfloat.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index f3b9008..1d34f2c 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -265,6 +265,13 @@ static inline int float16_is_zero_or_denormal(float16 a)
return (float16_val(a) & 0x7c00) == 0;
}
+static inline float16 float16_abs(float16 a)
+{
+ /* Note that abs does *not* handle NaN specially, nor does
+ * it flush denormal inputs to zero.
+ */
+ return make_float16(float16_val(a) & 0x7fff);
+}
/*----------------------------------------------------------------------------
| The pattern for a default generated half-precision NaN.
*----------------------------------------------------------------------------*/