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FABS(3) Linux Programmer's Manual FABS(3) NAME fabs, fabsf, fabsl - absolute value of floating-point number SYNOPSIS #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 num- ber 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) 2001-06-07 FABS(3) |