Signed-off-by: Peng Haitao <penght@xxxxxxxxxxxxxx> --- man3/copysign.3 | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/man3/copysign.3 b/man3/copysign.3 index 2e35b68..65f6c79 100644 --- a/man3/copysign.3 +++ b/man3/copysign.3 @@ -63,7 +63,10 @@ or .ad b .SH DESCRIPTION The -.BR copysign () +.BR copysign (), +.BR copysignf (), +and +.BR copysignl () functions return a value whose absolute value matches that of .IR x , @@ -104,8 +107,7 @@ This function is defined in IEC 559 (and the appendix with recommended functions in IEEE 754/IEEE 854). .SH NOTES On architectures where the floating-point formats are not IEEE 754 compliant, -the -.BR copysign () +these functions may treat a negative zero as positive. .SH SEE ALSO .BR signbit (3) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
