Add note about variable transformations, they are important

JSorngard · Jul 29, 2024 · 52708d9 · 52708d9
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diff --git a/README.md b/README.md
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 Fast evaluation of the real valued parts of the principal and secondary branches of the [Lambert W function](https://en.wikipedia.org/wiki/Lambert_W_function) using the [method of Toshio Fukushima](https://www.researchgate.net/publication/346309410_Precise_and_fast_computation_of_Lambert_W_function_by_piecewise_minimax_rational_function_approximation_with_variable_transformation) to either 24 or 50 bits of accuracy.
 
-This method uses a piecewise minimax rational function approximation.
+This method uses a piecewise minimax rational function approximation with variable transformations.
 
 ## Examples
 

diff --git a/src/lib.rs b/src/lib.rs
@@ -2,7 +2,7 @@
 //!
 //! Fast evaluation of the real valued parts of the principal and secondary branches of the [Lambert W function](https://en.wikipedia.org/wiki/Lambert_W_function) using the [method of Toshio Fukushima](https://www.researchgate.net/publication/346309410_Precise_and_fast_computation_of_Lambert_W_function_by_piecewise_minimax_rational_function_approximation_with_variable_transformation) to either 24 or 50 bits of accuracy.
 //!
-//! This method uses a piecewise minimax rational function approximation.
+//! This method uses a piecewise minimax rational function approximation with variable transformations.
 //!
 //! ## Examples
 //!