Constant LN_LATENCY 

pub const LN_LATENCY: usize = _; // 45usize

Clocks from an operand entering logos_ln_p to its logarithm leaving: the table index registered, the centre’s numerator and the exponent as f32s (I2F_LATENCY), the table’s entries, the centre and the exponent registered, the polynomial’s four multiplies and four subtractions in turn, the three sums with the table’s logarithm and the exponent’s, the result registered.