From 8d14410317a11e4061ad2b2270bb70f5f92742b7 Mon Sep 17 00:00:00 2001
From: Oliver Sander <sander@igpm.rwth-aachen.de>
Date: Sun, 7 Mar 2010 09:01:51 +0000
Subject: [PATCH] remove old code that uses the derivative of the distance
functions (instead of the derivative of the squared distance function)
[[Imported from SVN: r5666]]
---
src/averagedistanceassembler.hh | 7 -------
1 file changed, 7 deletions(-)
diff --git a/src/averagedistanceassembler.hh b/src/averagedistanceassembler.hh
index af96d91f..56271d4d 100644
--- a/src/averagedistanceassembler.hh
+++ b/src/averagedistanceassembler.hh
@@ -33,16 +33,9 @@ public:
typename TargetSpace::EmbeddedTangentVector& gradient) const
{
gradient = 0;
-#if 0 // This old code uses the derivative of dist(,), which is (frequently, at least)
- // not differentiable at 0
- for (size_t i=0; i<coefficients_.size(); i++)
- gradient.axpy(weights_[i]*TargetSpace::distance(coefficients_[i], x),
- TargetSpace::derivativeOfDistanceWRTSecondArgument(coefficients_[i], x));
-#else
for (size_t i=0; i<coefficients_.size(); i++)
gradient.axpy(0.5*weights_[i],
TargetSpace::derivativeOfDistanceSquaredWRTSecondArgument(coefficients_[i], x));
-#endif
}
void assembleHessianApproximation(const TargetSpace& x,
--
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