CarpetLib: Use AT to index std::vector

Define a macro AT() to index into std::vector.  Depending on the macro
NDEBUG, AT() is defined either as at(), providing index checking, or
as operator[], providing no checking.

darcs-hash:20070203205854-dae7b-a1999c88c95ba12b1ee66505f712aefdd67d7e6f.gz

1 files changed, 11 insertions, 0 deletions

diff --git a/Carpet/CarpetLib/src/defs.hh b/Carpet/CarpetLib/src/defs.hh
index 3ae0b8261..afbabfba5 100644
--- a/Carpet/CarpetLib/src/defs.hh
+++ b/Carpet/CarpetLib/src/defs.hh
@@ -36,6 +36,17 @@ using namespace std;
 
 
 
+// Use this macro AT instead of vector's operator[] or at().
+// Depending on the macro NDEBUG, this macro AT either checks for
+// valid indices or not.
+#ifndef NDEBUG
+#  define AT(index) at(index)
+#else
+#  define AT(index) operator[](index)
+#endif
+
+
+
 // Begin a new line without flushing the output buffer
 char const * const eol = "\n";