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instance method

Numeric#infinite?

num.infinite? → -1, 1, or nil

static VALUE
num_infinite_p(VALUE num)
{
    return Qnil;
}

Returns nil, -1, or 1 depending on whether the value is finite, -Infinity, or +Infinity.

See also #imaginary #integer? #imag #magnitude also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1