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Function std.math.rounding.lround

Return the value of x rounded to the nearest integer.

long lround(
  real x
) nothrow @nogc @trusted;

If the fractional part of x is exactly 0.5, the return value is rounded away from zero.

Example

writeln(lround(0.49)); // 0
writeln(lround(0.5)); // 1
writeln(lround(1.5)); // 2

Authors

Walter Bright, Don Clugston, Conversion of CEPHES math library to D by Iain Buclaw and David Nadlinger

License

Boost License 1.0.