4.4BSD/usr/share/man/cat3/fabs.0

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FABS(3)                     BSD Programmer's Manual                    FABS(3)

NNAAMMEE
     ffaabbss - floating-point absolute value function

SSYYNNOOPPSSIISS
     ##iinncclluuddee <<mmaatthh..hh>>

     _d_o_u_b_l_e
     ffaabbss(_d_o_u_b_l_e _x);

DDEESSCCRRIIPPTTIIOONN
     The ffaabbss() function computes the absolute value of a floating-point num-
     ber _x.

RREETTUURRNN VVAALLUUEESS
     The ffaabbss() function returns the absolute value of _x.

SSEEEE AALLSSOO
     abs(3),  ceil(3),  floor(3),  rint(3),  ieee(3),  math.3

SSTTAANNDDAARRDDSS
     The ffaabbss() function conforms to ANSI C X3.159-1989 (``ANSI C '').

4.4BSD                           June 4, 1993                                1