End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Numeric#finite?

num.finite? → true or false

static VALUE
num_finite_p(VALUE num)
{
    return Qtrue;
}

Returns true if num is a finite number, otherwise returns false.

See also #fdiv #floor #eql? #i also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1