Method: Float#arg

Defined in:
complex.c

#arg ⇒ 0, Math::PI

Returns 0 if self is positive, Math::PI otherwise.

Returns:



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# File 'complex.c', line 2453

static VALUE
float_arg(VALUE self)
{
    if (isnan(RFLOAT_VALUE(self)))
        return self;
    if (f_tpositive_p(self))
        return INT2FIX(0);
    return rb_const_get(rb_mMath, id_PI);
}