Merge pull request #1614 from mlimber/master

Allow custom precision in error reports for floating-point numbers

2 files changed, 10 insertions, 2 deletions

diff --git a/include/internal/catch_tostring.cpp b/include/internal/catch_tostring.cpp
index b857d3fb..f59676e7 100644
--- a/include/internal/catch_tostring.cpp
+++ b/include/internal/catch_tostring.cpp
@@ -234,11 +234,16 @@ std::string StringMaker<std::nullptr_t>::convert(std::nullptr_t) {
     return "nullptr";
 }
 
+int StringMaker<float>::precision = 5;
+   
 std::string StringMaker<float>::convert(float value) {
-    return fpToString(value, 5) + 'f';
+    return fpToString(value, precision) + 'f';
 }
+
+int StringMaker<double>::precision = 10;
+    
 std::string StringMaker<double>::convert(double value) {
-    return fpToString(value, 10);
+    return fpToString(value, precision);
 }
 
 std::string ratio_string<std::atto>::symbol() { return "a"; }
diff --git a/include/internal/catch_tostring.h b/include/internal/catch_tostring.h
index 52634a8c..cb248ea9 100644
--- a/include/internal/catch_tostring.h
+++ b/include/internal/catch_tostring.h
@@ -261,10 +261,13 @@ namespace Catch {
     template<>
     struct StringMaker<float> {
         static std::string convert(float value);
+        static int precision;
     };
+
     template<>
     struct StringMaker<double> {
         static std::string convert(double value);
+        static int precision;
     };
 
     template <typename T>