From bd72c0cf908492abb99a1419f7f8136729747061 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Tue, 14 Sep 2004 05:05:56 -0400
Subject: added more math operators for value_t types

---
 python.cc | 11 +----------
 value.cc  | 20 ++++++++++++++++++++
 value.h   | 17 +++++++++++++++++
 3 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/python.cc b/python.cc
index 9699873c..288825aa 100644
--- a/python.cc
+++ b/python.cc
@@ -63,16 +63,7 @@ void init_python()
   Py_Initialize();
   python_interpretor = new python_support;
 
-#if 1
-  boost::python::detail::init_module("ledger", &init_module);
-#else
-  object m_obj(python_interpretor->main_module);
-  scope  current_module(m_obj);
-
-  python_interpretor->main_namespace.attr("bar") = 10;
-
-  handle_exception(init_module_main);
-#endif
+  detail::init_module("ledger", &init_module);
 }
 
 } // namespace ledger
diff --git a/value.cc b/value.cc
index 2a211fd1..4a273abc 100644
--- a/value.cc
+++ b/value.cc
@@ -642,6 +642,26 @@ void export_value()
     .def(self / other<amount_t>())
     .def(self / int())
 
+    .def(other<balance_pair_t>() + self)
+    .def(other<balance_t>() + self)
+    .def(other<amount_t>() + self)
+    .def(int() + self)
+
+    .def(other<balance_pair_t>() - self)
+    .def(other<balance_t>() - self)
+    .def(other<amount_t>() - self)
+    .def(int() - self)
+
+    .def(other<balance_pair_t>() * self)
+    .def(other<balance_t>() * self)
+    .def(other<amount_t>() * self)
+    .def(int() * self)
+
+    .def(other<balance_pair_t>() / self)
+    .def(other<balance_t>() / self)
+    .def(other<amount_t>() / self)
+    .def(int() / self)
+
     .def(self += self)
     .def(self += other<balance_pair_t>())
     .def(self += other<balance_t>())
diff --git a/value.h b/value.h
index 617b5fb7..819f985f 100644
--- a/value.h
+++ b/value.h
@@ -249,6 +249,23 @@ class value_t
   value_t cost() const;
 };
 
+template <typename T>
+value_t operator+(const T& value, const value_t& obj) {
+  return value_t(value) + obj;
+}
+template <typename T>
+value_t operator-(const T& value, const value_t& obj) {
+  return value_t(value) - obj;
+}
+template <typename T>
+value_t operator*(const T& value, const value_t& obj) {
+  return value_t(value) * obj;
+}
+template <typename T>
+value_t operator/(const T& value, const value_t& obj) {
+  return value_t(value) / obj;
+}
+
 template <typename T>
 value_t::operator T() const
 {
-- 
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