Numeric#floor

floor(digits = 0) → integer or float

static VALUE
num_floor(int argc, VALUE *argv, VALUE num)
{
    return flo_floor(argc, argv, rb_Float(num));
}

Returns the largest number that is less than or equal to self with a precision of digits decimal digits.

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

See also #finite? #i #fdiv #imag also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0