[lmi-commits] [5933] Improve documentation

[Greg Chicares]

Revision: 5933
          http://svn.sv.gnu.org/viewvc/?view=rev&root=lmi&revision=5933
Author:   chicares
Date:     2014-08-06 13:12:42 +0000 (Wed, 06 Aug 2014)
Log Message:
-----------
Improve documentation

Modified Paths:
--------------
    lmi/trunk/loads.cpp

Modified: lmi/trunk/loads.cpp
===================================================================
--- lmi/trunk/loads.cpp 2014-07-20 14:34:13 UTC (rev 5932)
+++ lmi/trunk/loads.cpp 2014-08-06 13:12:42 UTC (rev 5933)
@@ -186,14 +186,19 @@
                 )
             );
 
-        // ET !! As for rounding, we do want an expression-template library
-        // to apply a scalar function like rounding to all elements of a
-        // matrix, with some natural syntax like
-        //   separate_account_load_ = 
details.round_interest_rate_(separate_account_load_);
         for(int j = mce_gen_curr; j != mc_n_gen_bases; j++)
             {
 #if 0
-// ET !! This crashes:
+// ET !! As for rounding, we do want an expression-template library
+// to apply a scalar function like rounding to all elements of a
+// matrix, ideally with some natural syntax like
+//   separate_account_load_ = 
details.round_interest_rate_(separate_account_load_);
+// However, this throws an "Erroneous rounding function" exception,
+// because apply_unary() and apply_binary() use a default-constructed
+// function object:
+//   
http://svn.savannah.nongnu.org/viewvc/lmi/trunk/tools/pete-2.1.1/PETE/Tools/PeteOps.in?root=lmi&r1=4151&r2=4150&pathrev=4151
+// but round_to<> is stateful, and deliberately throws that exception
+// when a default-constructed object is used.
             assign
                 (separate_account_load_[j]
                 ,apply_unary