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instance method

Rational#negative?

rat.negative? → true or false

static VALUE
nurat_negative_p(VALUE self)
{
    get_dat1(self);
    return f_boolcast(INT_NEGATIVE_P(dat->num));
}

Returns true if rat is less than 0.

See also #magnitude #numerator #inspect #positive? also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1