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Function `std.math.round`

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


						
				real round
				(
				

				  real x
				

				) pure nothrow @nogc @trusted;

Returns

A real.

Example

writeln(round(4.5)); // 5
writeln(round(5.4)); // 5
writeln(round(-4.5)); // -5
writeln(round(-5.1)); // -5

Authors

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

License

Boost License 1.0.