Documentation update.
Update modeling.rst and solving.rst to reflect
changes to the API.
Change-Id: Id1a8adfed1486f08e5fd67c5af2d29708a26490c
diff --git a/include/ceres/solver.h b/include/ceres/solver.h
index 4fb6e4d..fc70073 100644
--- a/include/ceres/solver.h
+++ b/include/ceres/solver.h
@@ -365,7 +365,7 @@
// Minimizer terminates when
//
- // max_i |gradient_i| < gradient_tolerance * max_i|initial_gradient_i|
+ // max_i |x - Project(Plus(x, -g(x))| < gradient_tolerance
//
// This value should typically be 1e-4 * function_tolerance.
double gradient_tolerance;