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FABS
Section: Linux Programmer's Manual (3)Updated: 2001-06-07
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NAME
fabs, fabsf, fabsl - absolute value of floating-point numberSYNOPSIS
#include <math.h> double fabs(double x);
float fabsf(float x);
long double fabsl(long double x);
DESCRIPTION
The fabs functions return the absolute value of the floating-point number x.ERRORS
No errors can occur.CONFORMING TO
The fabs() function conforms to SVID 3, POSIX, BSD 4.3, ISO 9899. The other functions are from C99.SEE ALSO
abs(3), ceil(3), floor(3), labs(3), rint(3)