COPYSIGN(3m,L)              AIX Technical Reference              COPYSIGN(3m,L)



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copysign



PURPOSE

Copies the sign of a double-precision floating-point number.

LIBRARY

Math Library (libm.a)

SYNTAX

#include <math.h>

double copysign (x, y)
double x, y;

DESCRIPTION

The copysign subroutine copies the sign of one double-precision floating-point
number to another.  The x parameter contains the number to be changed to the
sign of y parameter.

RETURN VALUE

The copysign subroutine returns x with the same sign as y.


























Processed November 7, 1990      COPYSIGN(3m,L)                                1