From aa96722906dcf8ff4dd83b1e089bcdb37dd49cdf Mon Sep 17 00:00:00 2001
From: Elias Pipping <elias.pipping@fu-berlin.de>
Date: Thu, 3 Nov 2011 00:27:40 +0100
Subject: [PATCH] Replace Dune::Identity with Dune::LinearFunction
---
dune/tectonic/nicefunction.hh | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/dune/tectonic/nicefunction.hh b/dune/tectonic/nicefunction.hh
index 6140a397..fecc7dd9 100644
--- a/dune/tectonic/nicefunction.hh
+++ b/dune/tectonic/nicefunction.hh
@@ -16,13 +16,22 @@ class NiceFunction : public VirtualFunction<double, double> {
virtual double rightDifferential(double s) const = 0;
};
-class Identity : public NiceFunction {
+class LinearFunction : public NiceFunction {
public:
- void virtual evaluate(double const& x, double& y) const { y = x; }
+ LinearFunction() {}
- double virtual leftDifferential(double s) const { return 1; }
+ LinearFunction(double a) : coefficient(a) {}
- double virtual rightDifferential(double s) const { return 1; }
+ void virtual evaluate(double const& x, double& y) const {
+ y = coefficient * x;
+ }
+
+ double virtual leftDifferential(double s) const { return coefficient; }
+
+ double virtual rightDifferential(double s) const { return coefficient; }
+
+private:
+ double coefficient;
};
template <int slope> class SampleFunction : public NiceFunction {
--
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