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instance method

Numeric#negative?

negative? → true or false

static VALUE
num_negative_p(VALUE num)
{
    return RBOOL(rb_num_negative_int_p(num));
}

Returns true if self is less than 0, false otherwise.

See also #modulo #nonzero? #magnitude #numerator also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0