[Issue 4765] std.math.modf always returns 0

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4765


Lars T. Kyllingstad <bugzilla at kyllingen.net> changed:

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--- Comment #3 from Lars T. Kyllingstad <bugzilla at kyllingen.net> 2011-11-15 13:11:25 PST ---
Actually, I think the documentation is wrong here.  The C function modfl(), to
which std.math.modf() forwards, does not calculate the remainder of an integer
division.  Rather it splits a number into an integer part and a fractional part
(e.g. it splits 3.14 into 3 and 0.14).

The C function to calculate the remainder is fmod(), which doesn't seem to have
a counterpart in std.math.

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