fabs, fabsf, fabsl - absolute value of floating-point num­
       ber


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 float­
       ing-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)


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