Numeric#round

round(digits = 0) → integer or float

static VALUE
num_round(int argc, VALUE* argv, VALUE num)
{
    return flo_round(argc, argv, rb_Float(num));
}

Returns self rounded to the nearest value with a precision of digits decimal digits.

Numeric implements this by converting self to a Float and invoking Float#round.

See also #remainder #step #rectangular #to_c also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0