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authorGravatar Gael Guennebaud <g.gael@free.fr>2013-10-16 15:25:39 +0200
committerGravatar Gael Guennebaud <g.gael@free.fr>2013-10-16 15:25:39 +0200
commitc6da881849734fc8c76a151e60da3bc65ef2e2fd (patch)
tree160f6b0e5d82ec7a9abe084251efad6f0f74a2a8 /doc/snippets/BiCGSTAB_step_by_step.cpp
parentb61facb08b1e6c49724f27e15d72b490c6c07d8f (diff)
Fix bug #674: typo in documentation example for BiCGSTAB. They are now proper snippet files.
Diffstat (limited to 'doc/snippets/BiCGSTAB_step_by_step.cpp')
-rw-r--r--doc/snippets/BiCGSTAB_step_by_step.cpp14
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/snippets/BiCGSTAB_step_by_step.cpp b/doc/snippets/BiCGSTAB_step_by_step.cpp
new file mode 100644
index 000000000..06147bb81
--- /dev/null
+++ b/doc/snippets/BiCGSTAB_step_by_step.cpp
@@ -0,0 +1,14 @@
+ int n = 10000;
+ VectorXd x(n), b(n);
+ SparseMatrix<double> A(n,n);
+ /* ... fill A and b ... */
+ BiCGSTAB<SparseMatrix<double> > solver(A);
+ // start from a random solution
+ x = VectorXd::Random(n);
+ solver.setMaxIterations(1);
+ int i = 0;
+ do {
+ x = solver.solveWithGuess(b,x);
+ std::cout << i << " : " << solver.error() << std::endl;
+ ++i;
+ } while (solver.info()!=Success && i<100); \ No newline at end of file