From 1793078ba2a533e92602eb0dc93a7003a0ae1720 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Villemot?= <sebastien@dynare.org>
Date: Mon, 18 Mar 2019 18:49:51 +0100
Subject: [PATCH] Minor stylistic improvements

---
 src/DataTree.hh               | 2 +-
 src/ExprNode.hh               | 4 ++--
 src/ExternalFunctionsTable.hh | 6 +++---
 src/Statement.cc              | 4 ++--
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/DataTree.hh b/src/DataTree.hh
index 1b3453f5..f64e6228 100644
--- a/src/DataTree.hh
+++ b/src/DataTree.hh
@@ -106,7 +106,7 @@ protected:
   static string packageDir(const string &package);
 
 private:
-  const static int constants_precision{16};
+  constexpr static int constants_precision{16};
 
   //! The list of nodes
   vector<unique_ptr<ExprNode>> node_list;
diff --git a/src/ExprNode.hh b/src/ExprNode.hh
index 083f2f5a..af4ed5e6 100644
--- a/src/ExprNode.hh
+++ b/src/ExprNode.hh
@@ -181,8 +181,8 @@ class ExprNode
       //! Used for caching of first order derivatives (when non-null)
       map<int, expr_t> derivatives;
 
-      const static int min_cost_matlab{40*90};
-      const static int min_cost_c{40*4};
+      constexpr static int min_cost_matlab{40*90};
+      constexpr static int min_cost_c{40*4};
       inline static int min_cost(bool is_matlab) { return(is_matlab ? min_cost_matlab : min_cost_c); };
 
       //! Cost of computing current node
diff --git a/src/ExternalFunctionsTable.hh b/src/ExternalFunctionsTable.hh
index 56c1ee74..0b5b22c6 100644
--- a/src/ExternalFunctionsTable.hh
+++ b/src/ExternalFunctionsTable.hh
@@ -53,11 +53,11 @@ public:
   };
   using external_function_table_type = map<int, external_function_options>;
   //! Symbol ID used when no external function exists that calculates the derivative
-  const static int IDNotSet = -1;
+  constexpr static int IDNotSet = -1;
   //! Symbol ID used when the derivative is obtained from the top-level function
-  const static int IDSetButNoNameProvided = -2;
+  constexpr static int IDSetButNoNameProvided = -2;
   //! Default number of arguments when nargs is not specified
-  const static int defaultNargs = 1;
+  constexpr static int defaultNargs = 1;
 private:
   //! Map containing options provided to external_functions()
   external_function_table_type externalFunctionTable;
diff --git a/src/Statement.cc b/src/Statement.cc
index 80d3548d..e1f992a8 100644
--- a/src/Statement.cc
+++ b/src/Statement.cc
@@ -143,8 +143,8 @@ void
 OptionsList::writeOutput(ostream &output, const string &option_group) const
 {
   // Initialize option_group as an empty struct iff the field does not exist!
-  unsigned idx = option_group.find_last_of(".");
-  if (idx < UINT_MAX)
+  size_t idx = option_group.find_last_of(".");
+  if (idx != string::npos)
     {
       output << "if ~isfield(" << option_group.substr(0, idx) << ",'" << option_group.substr(idx+1) << "')" << endl;
       output << "    " << option_group << " = struct();" << endl;
-- 
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