From d716b61b1e30fd0f6c8de61cd743f4d26a332a0a Mon Sep 17 00:00:00 2001
From: Steve Daulton <stevedaulton@gmail.com>
Date: Tue, 23 Oct 2018 19:55:15 +0100
Subject: [PATCH] Increase precision for doubles/string conversion

Required so that the Select: command has reasonable precision
on tracks longer than 17 minutes.
---
 include/audacity/EffectAutomationParameters.h | 2 +-
 src/WrappedType.cpp                           | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/audacity/EffectAutomationParameters.h b/include/audacity/EffectAutomationParameters.h
index d1a077b2f..64542263a 100644
--- a/include/audacity/EffectAutomationParameters.h
+++ b/include/audacity/EffectAutomationParameters.h
@@ -130,7 +130,7 @@ public:
 
    virtual bool DoWriteDouble(const wxString & key, double value) override
    {
-      return DoWriteString(key, wxString::Format(wxT("%g"), value));
+      return DoWriteString(key, wxString::Format(wxT("%.8g"), value));
    }
 
    bool ReadFloat(const wxString & key, float *pf) const
diff --git a/src/WrappedType.cpp b/src/WrappedType.cpp
index d44c82fc0..768cfd12f 100644
--- a/src/WrappedType.cpp
+++ b/src/WrappedType.cpp
@@ -114,7 +114,7 @@ wxString WrappedType::ReadAsString()
       return wxString::Format(wxT("%i"),*mpInt );
       break;
    case eWrappedDouble:
-      return wxString::Format(wxT("%g"),*mpDouble );
+      return wxString::Format(wxT("%.8g"),*mpDouble );
       break;
    case eWrappedBool:
       return (* mpBool) ? wxT("true") : wxT("false" );
@@ -272,7 +272,7 @@ void WrappedType::WriteToAsDouble( const double InDouble)
    switch( eWrappedType )
    {
    case eWrappedString:
-      *mpStr = wxString::Format( wxT("%g"), InDouble );
+      *mpStr = wxString::Format( wxT("%.8g"), InDouble );
       break;
    case eWrappedInt:
       *mpInt = (int)InDouble;