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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.

This function is not implemented for Digital Mars C runtime.


version (CRuntime_DigitalMars) {}
    writeln(lround(0.49)); // 0
    writeln(lround(0.5)); // 1
    writeln(lround(1.5)); // 2


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


Boost License 1.0.