COPYSIGN Section: Linux Programmer's Manual (3) Updated: June 6, 2025 Index   NAME copysign - copy sign of a number   SYNOPSIS #include <math.h> double copysign(double x, double y);   DESCRIPTION The copysign() function returns a value whose absolute value matches x, but whose sign matches that of y.   CONFORMING TO BSD 4.3   Index NAME SYNOPSIS DESCRIPTION CONFORMING TO This document was created by using the manual pages. Time: 11:58:02 GMT, March 24, 2025