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

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

NNAAMMEE
     ffmmoodd - floating-point remainder function

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

     _d_o_u_b_l_e
     ffmmoodd(_d_o_u_b_l_e _x, _d_o_u_b_l_e _y);

DDEESSCCRRIIPPTTIIOONN
     The ffmmoodd() function computes the floating-point remainder of _x/ _y.

RREETTUURRNN VVAALLUUEESS
     The ffmmoodd() function returns the value _x_-_i_*_y, for some integer _i such
     that, if _y is non-zero, the result has the same sign as _x and magnitude
     less than the magnitude of _y. If _y is zero, whether a domain error occurs
     or the ffmmoodd() function returns zero is implementation-defined.

SSEEEE AALLSSOO
     math(3)

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

4.4BSD                           June 4, 1993                                1