Bug567 : Fix iterative solvers to immediately return when the initial guess is the true solution and for trivial solution

2026-04-10 11:34:33 +08:00 · 2013-03-20 16:15:18 +01:00
parent 22460edb49
commit da6219b19d
4 changed files with 59 additions and 32 deletions
--- a/unsupported/Eigen/src/IterativeSolvers/GMRES.h
+++ b/unsupported/Eigen/src/IterativeSolvers/GMRES.h
@@ -349,7 +349,7 @@ public:
  void _solve(const Rhs& b, Dest& x) const
  {
    x = b;
-    if(!x.squaredNorm()) return; // Check Zero right hand side
+    if(x.squaredNorm() == 0) return; // Check Zero right hand side
    _solveWithGuess(b,x);
  }