method

arg

Ruby latest stable (v2_5_5) - 0 notes - Class: Float

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arg() public

Returns 0 if the value is positive, pi otherwise.

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);
}

arg

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