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Commit 38bab31a authored by Elias Pipping's avatar Elias Pipping Committed by Elias Pipping
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Use axpy

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dune/tectonic/localnonlinearity.hh
+ 4
− 6
View file @ 38bab31a
...@@ -88,15 +88,13 @@ template <int dimension> class LocalNonlinearity { ...@@ -88,15 +88,13 @@ template <int dimension> class LocalNonlinearity {
A[k][k] += (h2 - h1ox) * x[k] * x[k] / normX2 + h1ox; A[k][k] += (h2 - h1ox) * x[k] * x[k] / normX2 + h1ox;
} }
// TODO: do not evaluate at zero
void addGradient(VectorType const &x, VectorType &y) const { void addGradient(VectorType const &x, VectorType &y) const {
if (x.two_norm() < double const xnorm = x.two_norm();
1e-8 or std::isinf(func_->regularity(x.two_norm()))) // TODO if (xnorm < 1e-8 or std::isinf(func_->regularity(xnorm))) // TODO
return; return;
VectorType tmp; // left and right differential coincide in this case
upperGradient(x, tmp); // upper and lower gradient coincide in this case y.axpy(func_->rightDifferential(xnorm) / xnorm, x);
y += tmp;
} }
void upperGradient(VectorType const &x, VectorType &ret) const { void upperGradient(VectorType const &x, VectorType &ret) const {
......
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