Document macro DEAL_II_VERSION_GTE

diff --git a/include/deal.II/base/config.h.in b/include/deal.II/base/config.h.in
index 89e2dc3552a908b32800f07e1f0e973e8328e3c8..0161a360435abab92c1f236edfee1f8f7292b040 100644 (file)
--- a/include/deal.II/base/config.h.in
+++ b/include/deal.II/base/config.h.in
@@ -252,6 +252,12 @@
  * deal.II:
  */
 
+/**
+ * Returns true if the used deal.II version is greater or equal than the 
+ * version specified by the three arguments. The internal implementation 
+ * assumes that the number of minor and subminor versions is not larger 
+ * than 100.
+ */
 #define DEAL_II_VERSION_GTE(major,minor,subminor) \
  ((DEAL_II_VERSION_MAJOR * 10000 + \
     DEAL_II_VERSION_MINOR * 100 + \