Files @ 45b8d981c26a
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Location: NPO-Accounting/npo-ledger-cli/rounding/final_new_precision.patch

tripun
improved patchwork
From 91dda673013ad2b32431f7011b7246b86c809727 Mon Sep 17 00:00:00 2001
From: tripun <tripun@gmail.com>
Date: Tue, 8 Jul 2014 21:26:30 +0530
Subject: [PATCH] new patch

---
 src/amount.cc   |  7 +++++++
 src/commodity.h | 11 ++++++++++-
 src/textual.cc  | 11 ++++++++++-
 src/value.cc    |  4 ++++
 4 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/src/amount.cc b/src/amount.cc
index 7bf4dfc..ec4773e 100644
--- a/src/amount.cc
+++ b/src/amount.cc
@@ -445,6 +445,7 @@ amount_t& amount_t::operator+=(const amount_t& amt)
 
   _dup();
 
+
   mpq_add(MP(quantity), MP(quantity), MP(amt.quantity));
 
   if (has_commodity() == amt.has_commodity())
@@ -628,6 +629,12 @@ void amount_t::in_place_round()
   else if (! keep_precision())
     return;
 
+  if(has_commodity()) {
+  commodity_t& comm = commodity();
+  if(comm.has_flags(COMMODITY_SET_CUSTOM_PRECISION))
+      in_place_roundto(comm.custom_precision());
+  }
+
   _dup();
   set_keep_precision(false);
 }
diff --git a/src/commodity.h b/src/commodity.h
index 80945fe..0e8e430 100644
--- a/src/commodity.h
+++ b/src/commodity.h
@@ -108,10 +108,13 @@ protected:
 #define COMMODITY_SAW_ANN_PRICE_FLOAT    0x400
 #define COMMODITY_SAW_ANN_PRICE_FIXATED  0x800
 #define COMMODITY_STYLE_TIME_COLON       0x1000
+#define COMMODITY_SET_CUSTOM_PRECISION   0X2000
+
 
     string                symbol;
     optional<std::size_t> graph_index;
     amount_t::precision_t precision;
+    int_least16_t custom_precision;
     optional<string>      name;
     optional<string>      note;
     optional<amount_t>    smaller;
@@ -132,7 +135,7 @@ protected:
         (commodity_t::decimal_comma_by_default ?
          static_cast<uint_least16_t>(COMMODITY_STYLE_DECIMAL_COMMA) :
          static_cast<uint_least16_t>(COMMODITY_STYLE_DEFAULTS)),
-        symbol(_symbol), precision(0) {
+        symbol(_symbol), precision(0),custom_precision(0) {
       TRACE_CTOR(commodity_t::base_t, "const string&");
     }
     virtual ~base_t() {
@@ -247,9 +250,15 @@ public:
   amount_t::precision_t precision() const {
     return base->precision;
   }
+  int_least16_t custom_precision() const {
+    return base->custom_precision;
+  }
   void set_precision(amount_t::precision_t arg) {
     base->precision = arg;
   }
+  void set_custom_precision(int_least16_t arg) {
+    base->custom_precision = arg;
+  }
 
   optional<amount_t> smaller() const {
     return base->smaller;
diff --git a/src/textual.cc b/src/textual.cc
index 8f37a56..25c6063 100644
--- a/src/textual.cc
+++ b/src/textual.cc
@@ -163,6 +163,7 @@ namespace {
     void commodity_format_directive(commodity_t& comm, string format);
     void commodity_nomarket_directive(commodity_t& comm);
     void commodity_default_directive(commodity_t& comm);
+    void commodity_precision_directive(commodity_t& comm,string precise);
 
     void default_commodity_directive(char * line);
 
@@ -1096,6 +1097,8 @@ void instance_t::commodity_directive(char * line)
         commodity_default_directive(*commodity);
       else if (keyword == "note")
         commodity->set_note(string(b));
+      else if (keyword == "precision")
+        commodity_precision_directive(*commodity,b);
     }
   }
 }
@@ -1130,7 +1133,13 @@ void instance_t::commodity_default_directive(commodity_t& comm)
 {
   commodity_pool_t::current_pool->default_commodity = &comm;
 }
-
+void instance_t::commodity_precision_directive(commodity_t& comm,string precise)
+{
+  trim(precise);
+  int_least16_t  _precision_level = boost::lexical_cast<int_least16_t>(precise);
+  comm.set_custom_precision(_precision_level);
+  comm.add_flags(COMMODITY_SET_CUSTOM_PRECISION);
+}
 void instance_t::tag_directive(char * line)
 {
   char * p = skip_ws(line);
diff --git a/src/value.cc b/src/value.cc
index 70a8ab4..be96f5b 100644
--- a/src/value.cc
+++ b/src/value.cc
@@ -408,6 +408,10 @@ value_t& value_t::operator+=(const value_t& val)
         in_place_cast(BALANCE);
         return *this += val;
       } else {
+        if(as_amount().has_commodity() && as_amount().commodity().has_flags(COMMODITY_SET_CUSTOM_PRECISION)) {
+        amount_t temp(as_amount());
+        temp.in_place_roundto(as_amount().commodity().custom_precision());
+        }
         as_amount_lval() += val.as_amount();
         return *this;
       }
-- 
1.8.3.2