From 4f7bf1819fca887f2712807077f9e497c262e9ed Mon Sep 17 00:00:00 2001
From: don bright <hugh.m.bright@gmail.com>
Date: Thu, 26 Jul 2012 20:49:58 -0500
Subject: add test for proper rounding of decimals in echo()


diff --git a/testdata/scad/misc/echo-tests.scad b/testdata/scad/misc/echo-tests.scad
index c42a67e..6753c61 100644
--- a/testdata/scad/misc/echo-tests.scad
+++ b/testdata/scad/misc/echo-tests.scad
@@ -12,3 +12,7 @@ echo(vec = [1,2,3]);
 echo(range = [0:2]);
 
 echo(str("string generated by str()"));
+
+// https://github.com/openscad/openscad/issues/158 rept by nop head
+// 0.8 should print 0.8 not 0.80000...004 (regardless of internal representation)
+echo(0.8);
diff --git a/tests/regression/echotest/echo-tests-expected.txt b/tests/regression/echotest/echo-tests-expected.txt
index ee9705f..d7ebe2f 100644
--- a/tests/regression/echotest/echo-tests-expected.txt
+++ b/tests/regression/echotest/echo-tests-expected.txt
@@ -7,3 +7,4 @@ ECHO: [1 : 2 : 10]
 ECHO: vec = [1, 2, 3]
 ECHO: range = [0 : 1 : 2]
 ECHO: "string generated by str()"
+ECHO: 0.8
-- 
cgit v0.10.1


From 8e4bc5d598cd59994731f3f8cadd980e9cdad6c7 Mon Sep 17 00:00:00 2001
From: don bright <hugh.m.bright@gmail.com>
Date: Wed, 1 Aug 2012 18:43:39 -0500
Subject: change value so that ECHO works more like old Qstring.sprintf


diff --git a/src/value.cc b/src/value.cc
index 666062a..3b7f357 100644
--- a/src/value.cc
+++ b/src/value.cc
@@ -198,7 +198,12 @@ public:
     }
     return tmpstr;
 #else
-    return boost::lexical_cast<std::string>(op1);	
+		// attempt to emulate Qt's QString.sprintf("%g"); from old OpenSCAD.
+		// see https://github.com/openscad/openscad/issues/158
+		std::stringstream tmp;
+		tmp.unsetf(std::ios::floatfield);
+		tmp << op1;
+		return tmp.str();
 #endif
   }
 
-- 
cgit v0.10.1