View source code
Display the source code in std/math.d from which this
page was generated on github.
Report a bug
If you spot a problem with this page, click here to create a
Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page.
Requires a signed-in GitHub account. This works well for small changes.
If you'd like to make larger changes you may want to consider using
local clone.
Function std.math.trunc
Returns the integer portion of x, dropping the fractional portion.
real trunc
(
real x
) pure nothrow @nogc @trusted;
real trunc
(
real x
) pure nothrow @nogc @trusted;
This is also known as "chop" rounding.
pure
on all platforms but DragonFlyBSD.
Example
writeln(trunc(0.01)); // 0
writeln(trunc(0.49)); // 0
writeln(trunc(0.5)); // 0
writeln(trunc(1.5)); // 1
}
Authors
Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw and David Nadlinger
License
Copyright © 1999-2018 by the D Language Foundation | Page generated by ddox.