FABS(3) | FreeBSD Library Functions Manual | FABS(3) |
NAME
fabs, fabsf, fabsl — floating-point absolute value functionsLIBRARY
Math Library (libm, -lm)SYNOPSIS
#include < math.h> double
fabs( double x);
float
fabsf( float x);
long double
fabsl( long double x);
DESCRIPTION
The fabs(), fabsf() and fabsl() functions compute the absolute value of a floating-point number x.RETURN VALUES
The fabs(), fabsf() and fabsl() functions return the absolute value of x.STANDARDS
The fabs() function conforms to ISO/IEC 9899:1990 (“ISO C90”). The fabsf() and fabsl() functions conform to ISO/IEC 9899:1999 (“ISO C99”).October 25, 2003 | FreeBSD |