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1996-09-02
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901b
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30 lines
FABS(3) UNIX 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)
_f_l_o_a_t
ffaabbssff(_f_l_o_a_t _x)
DDEESSCCRRIIPPTTIIOONN
The ffaabbss() and ffaabbssff() functions compute the absolute value of a float-
ing-point number _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 C3.159-1989 (``ANSI C'').
BSD Experimental May 2, 1991 1