Remove the ETL_FIXED_DERIVATIVE macro.

[synfig.git] / ETL / trunk / ETL / _calculus.h

diff --git a/ETL/trunk/ETL/_calculus.h b/ETL/trunk/ETL/_calculus.h
index a9c95ed..279ed91 100644 (file)
--- a/ETL/trunk/ETL/_calculus.h
+++ b/ETL/trunk/ETL/_calculus.h
@@ -34,8 +34,6 @@
 //#define _EPSILON             0.0000001
 //#endif
 
-#define ETL_FIXED_DERIVATIVE 1
-
 /* === T Y P E D E F S ===================================================== */
 
 /* === C L A S S E S & S T R U C T S ======================================= */
@@ -53,11 +51,7 @@ public:
        typename T::result_type
        operator()(const typename T::argument_type &x)const
        {
-#ifdef ETL_FIXED_DERIVATIVE
                return (func(x+epsilon)-func(x))/epsilon;
-#else
-               return (func(x)-func(x+epsilon))/epsilon;
-#endif
        }
 };