Commit b495baf4 authored by Romain Pacanowski's avatar Romain Pacanowski Committed by Ludovic Courtès

added a link to the addendum

parent ccfa7cce
......@@ -53,6 +53,8 @@ protected: // methods
* Chebychev polynomials can be defined using trigonometric functions:
* \f$ p_i(x) = \cos\left( i \; \mbox{acos}(x) \right)\f$. We use this formulation.
* For more details see the addendum on Rational BRDF available at
* \author Laurent Belcour \<\>
class rational_function_chebychev : public rational_function
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