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instance method

Numeric#round

num.round([ndigits]) → integer or float

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

Returns num rounded to the nearest value with a precision of ndigits decimal digits (default: 0).

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

See also #remainder #step #rectangular #to_c also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1