From 880cba0939b2caa2641a5752373ffd47b64edd0f Mon Sep 17 00:00:00 2001
From: Petter Strandmark <petter.strandmark@gmail.com>
Date: Fri, 16 Aug 2013 20:05:30 +0200
Subject: [PATCH] Fix warning C4373 in Visual Studio

The warning occurs because an overridden function added a const
to one argument.

Change-Id: Idd24f7c6ab60064747104bfc75ae9bf112f61b3e
---
 internal/ceres/line_search.cc | 2 +-
 internal/ceres/line_search.h  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/internal/ceres/line_search.cc b/internal/ceres/line_search.cc
index 39618b575..832389691 100644
--- a/internal/ceres/line_search.cc
+++ b/internal/ceres/line_search.cc
@@ -112,7 +112,7 @@ void LineSearchFunction::Init(const Vector& position,
   direction_ = direction;
 }
 
-bool LineSearchFunction::Evaluate(const double x, double* f, double* g) {
+bool LineSearchFunction::Evaluate(double x, double* f, double* g) {
   scaled_direction_ = x * direction_;
   if (!evaluator_->Plus(position_.data(),
                         scaled_direction_.data(),
diff --git a/internal/ceres/line_search.h b/internal/ceres/line_search.h
index e4836b24e..5f24e9fd7 100644
--- a/internal/ceres/line_search.h
+++ b/internal/ceres/line_search.h
@@ -231,7 +231,7 @@ class LineSearchFunction : public LineSearch::Function {
   explicit LineSearchFunction(Evaluator* evaluator);
   virtual ~LineSearchFunction() {}
   void Init(const Vector& position, const Vector& direction);
-  virtual bool Evaluate(const double x, double* f, double* g);
+  virtual bool Evaluate(double x, double* f, double* g);
   double DirectionInfinityNorm() const;
 
  private: