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instance method

Float#angle

flo.angle → 0 or float

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);
}

Alias of #arg

Returns 0 if the value is positive, pi otherwise.

See also #arg #abs #>= #ceil also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1

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