Name Rascal/Libraries/util/Math/round

Synopsis Round a number to the nearest multiple of a given number (default 1).

Function

1. int round(num d)
2. (&T <: num) round(&T <: num r, &T <: num nearest)

Usage import util::Math;

Examples

rascal>import util::Math;
ok
rascal>round(3.4);
int: 3
rascal>round(3.5);
int: 4
rascal>round(3.6);
int: 4
rascal>round(-3.4);
int: -3
rascal>round(-3.5);
int: -4
rascal>round(-3.6);
int: -4
rascal>round(13, 5);
int: 15
rascal>round(1.5,0.2);
real: 1.6
rascal>round(3r2,1r4);
rat: 7r4

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