Added a truncated() method for amounts and values

When an amount is truncated, it drops all of the extra precision and
becomes exactly the value would have seen were it printed.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/amount.h b/src/amount.h
index b6ca6d16..90f1359c 100644
--- a/src/amount.h
+++ b/src/amount.h
@@ -322,6 +322,12 @@ public:
       @see set_keep_precision */
   amount_t rounded() const;
 
+  /** Yields an amount which has lost all of its extra precision, beyond what
+      the display precision of the commodity would have printed. */
+  amount_t truncated() const {
+    return amount_t(to_string());
+  }
+
   /** Yields an amount whose display precision is never truncated, even
       though its commodity normally displays only rounded values. */
   amount_t unrounded() const;