diff --git a/externals/catch/catch.hpp b/externals/catch/catch.hpp
index 4191607a..b1b2411d 100644
--- a/externals/catch/catch.hpp
+++ b/externals/catch/catch.hpp
@@ -1,6 +1,6 @@
 /*
- *  Catch v2.4.1
- *  Generated: 2018-09-28 15:50:15.645795
+ *  Catch v2.5.0
+ *  Generated: 2018-11-26 20:46:12.165372
  *  ----------------------------------------------------------
  *  This file has been merged from multiple headers. Please don't edit it directly
  *  Copyright (c) 2018 Two Blue Cubes Ltd. All rights reserved.
@@ -14,8 +14,8 @@
 
 
 #define CATCH_VERSION_MAJOR 2
-#define CATCH_VERSION_MINOR 4
-#define CATCH_VERSION_PATCH 1
+#define CATCH_VERSION_MINOR 5
+#define CATCH_VERSION_PATCH 0
 
 #ifdef __clang__
 #    pragma clang system_header
@@ -226,6 +226,13 @@ namespace Catch {
 #    define CATCH_INTERNAL_CONFIG_WINDOWS_SEH
 #  endif
 
+// MSVC traditional preprocessor needs some workaround for __VA_ARGS__
+// _MSVC_TRADITIONAL == 0 means new conformant preprocessor
+// _MSVC_TRADITIONAL == 1 means old traditional non-conformant preprocessor
+#  if !defined(_MSVC_TRADITIONAL) || (defined(_MSVC_TRADITIONAL) && _MSVC_TRADITIONAL)
+#    define CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+#  endif
+
 #endif // _MSC_VER
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -240,6 +247,12 @@ namespace Catch {
 #  define CATCH_INTERNAL_CONFIG_NO_WCHAR
 #endif // __DJGPP__
 
+////////////////////////////////////////////////////////////////////////////////
+// Embarcadero C++Build
+#if defined(__BORLANDC__)
+    #define CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN
+#endif
+
 ////////////////////////////////////////////////////////////////////////////////
 
 // Use of __COUNTER__ is suppressed during code analysis in
@@ -320,6 +333,10 @@ namespace Catch {
 #  define CATCH_CONFIG_DISABLE_EXCEPTIONS
 #endif
 
+#if defined(CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_NO_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_POLYFILL_ISNAN)
+#  define CATCH_CONFIG_POLYFILL_ISNAN
+#endif
+
 #if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS)
 #   define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
 #   define CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS
@@ -343,6 +360,10 @@ namespace Catch {
 #define CATCH_CATCH_ANON(type) catch (type)
 #endif
 
+#if defined(CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_NO_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR)
+#define CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+#endif
+
 // end catch_compiler_capabilities.h
 #define INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line ) name##line
 #define INTERNAL_CATCH_UNIQUE_NAME_LINE( name, line ) INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line )
@@ -356,6 +377,10 @@ namespace Catch {
 #include <string>
 #include <cstdint>
 
+// We need a dummy global operator<< so we can bring it into Catch namespace later
+struct Catch_global_namespace_dummy {};
+std::ostream& operator<<(std::ostream&, Catch_global_namespace_dummy);
+
 namespace Catch {
 
     struct CaseSensitive { enum Choice {
@@ -397,6 +422,11 @@ namespace Catch {
 
     std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info );
 
+    // Bring in operator<< from global namespace into Catch namespace
+    // This is necessary because the overload of operator<< above makes
+    // lookup stop at namespace Catch
+    using ::operator<<;
+
     // Use this in variadic streaming macros to allow
     //    >> +StreamEndStop
     // as well as
@@ -588,6 +618,102 @@ inline auto operator "" _catch_sr( char const* rawChars, std::size_t size ) noex
 }
 
 // end catch_stringref.h
+// start catch_type_traits.hpp
+
+
+namespace Catch{
+
+#ifdef CATCH_CPP17_OR_GREATER
+	template <typename...>
+	inline constexpr auto is_unique = std::true_type{};
+
+	template <typename T, typename... Rest>
+	inline constexpr auto is_unique<T, Rest...> = std::bool_constant<
+		(!std::is_same_v<T, Rest> && ...) && is_unique<Rest...>
+	>{};
+#else
+
+template <typename...>
+struct is_unique : std::true_type{};
+
+template <typename T0, typename T1, typename... Rest>
+struct is_unique<T0, T1, Rest...> : std::integral_constant
+<bool,
+     !std::is_same<T0, T1>::value
+     && is_unique<T0, Rest...>::value
+     && is_unique<T1, Rest...>::value
+>{};
+
+#endif
+}
+
+// end catch_type_traits.hpp
+// start catch_preprocessor.hpp
+
+
+#define CATCH_RECURSION_LEVEL0(...) __VA_ARGS__
+#define CATCH_RECURSION_LEVEL1(...) CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(__VA_ARGS__)))
+#define CATCH_RECURSION_LEVEL2(...) CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(__VA_ARGS__)))
+#define CATCH_RECURSION_LEVEL3(...) CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(__VA_ARGS__)))
+#define CATCH_RECURSION_LEVEL4(...) CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(__VA_ARGS__)))
+#define CATCH_RECURSION_LEVEL5(...) CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(__VA_ARGS__)))
+
+#ifdef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+#define INTERNAL_CATCH_EXPAND_VARGS(...) __VA_ARGS__
+// MSVC needs more evaluations
+#define CATCH_RECURSION_LEVEL6(...) CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(__VA_ARGS__)))
+#define CATCH_RECURSE(...)  CATCH_RECURSION_LEVEL6(CATCH_RECURSION_LEVEL6(__VA_ARGS__))
+#else
+#define CATCH_RECURSE(...)  CATCH_RECURSION_LEVEL5(__VA_ARGS__)
+#endif
+
+#define CATCH_REC_END(...)
+#define CATCH_REC_OUT
+
+#define CATCH_EMPTY()
+#define CATCH_DEFER(id) id CATCH_EMPTY()
+
+#define CATCH_REC_GET_END2() 0, CATCH_REC_END
+#define CATCH_REC_GET_END1(...) CATCH_REC_GET_END2
+#define CATCH_REC_GET_END(...) CATCH_REC_GET_END1
+#define CATCH_REC_NEXT0(test, next, ...) next CATCH_REC_OUT
+#define CATCH_REC_NEXT1(test, next) CATCH_DEFER ( CATCH_REC_NEXT0 ) ( test, next, 0)
+#define CATCH_REC_NEXT(test, next)  CATCH_REC_NEXT1(CATCH_REC_GET_END test, next)
+
+#define CATCH_REC_LIST0(f, x, peek, ...) , f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1) ) ( f, peek, __VA_ARGS__ )
+#define CATCH_REC_LIST1(f, x, peek, ...) , f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST0) ) ( f, peek, __VA_ARGS__ )
+#define CATCH_REC_LIST2(f, x, peek, ...)   f(x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1) ) ( f, peek, __VA_ARGS__ )
+
+#define CATCH_REC_LIST0_UD(f, userdata, x, peek, ...) , f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD) ) ( f, userdata, peek, __VA_ARGS__ )
+#define CATCH_REC_LIST1_UD(f, userdata, x, peek, ...) , f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST0_UD) ) ( f, userdata, peek, __VA_ARGS__ )
+#define CATCH_REC_LIST2_UD(f, userdata, x, peek, ...)   f(userdata, x) CATCH_DEFER ( CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD) ) ( f, userdata, peek, __VA_ARGS__ )
+
+// Applies the function macro `f` to each of the remaining parameters, inserts commas between the results,
+// and passes userdata as the first parameter to each invocation,
+// e.g. CATCH_REC_LIST_UD(f, x, a, b, c) evaluates to f(x, a), f(x, b), f(x, c)
+#define CATCH_REC_LIST_UD(f, userdata, ...) CATCH_RECURSE(CATCH_REC_LIST2_UD(f, userdata, __VA_ARGS__, ()()(), ()()(), ()()(), 0))
+
+#define CATCH_REC_LIST(f, ...) CATCH_RECURSE(CATCH_REC_LIST2(f, __VA_ARGS__, ()()(), ()()(), ()()(), 0))
+
+#define INTERNAL_CATCH_EXPAND1(param) INTERNAL_CATCH_EXPAND2(param)
+#define INTERNAL_CATCH_EXPAND2(...) INTERNAL_CATCH_NO## __VA_ARGS__
+#define INTERNAL_CATCH_DEF(...) INTERNAL_CATCH_DEF __VA_ARGS__
+#define INTERNAL_CATCH_NOINTERNAL_CATCH_DEF
+
+#define INTERNAL_CATCH_REMOVE_PARENS(...) INTERNAL_CATCH_EXPAND1(INTERNAL_CATCH_DEF __VA_ARGS__)
+
+#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME2(Name, ...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME3(Name, __VA_ARGS__)
+#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME3(Name,...) Name " - " #__VA_ARGS__
+#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME(Name,...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME2(Name, INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__))
+#else
+// MSVC is adding extra space and needs more calls to properly remove ()
+#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME3(Name,...) Name " -" #__VA_ARGS__
+#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME1(Name, ...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME2(Name, __VA_ARGS__)
+#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME(Name, ...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME1(Name, INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__)))
+#endif
+
+// end catch_preprocessor.hpp
 namespace Catch {
 
 template<typename C>
@@ -622,22 +748,28 @@ struct AutoReg : NonCopyable {
 
 } // end namespace Catch
 
-#define INTERNAL_CATCH_EXPAND1(param) INTERNAL_CATCH_EXPAND2(param)
-#define INTERNAL_CATCH_EXPAND2(...) INTERNAL_CATCH_NO## __VA_ARGS__
-#define INTERNAL_CATCH_DEF(...) INTERNAL_CATCH_DEF __VA_ARGS__
-#define INTERNAL_CATCH_NOINTERNAL_CATCH_DEF
-
 #if defined(CATCH_CONFIG_DISABLE)
     #define INTERNAL_CATCH_TESTCASE_NO_REGISTRATION( TestName, ... ) \
         static void TestName()
     #define INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION( TestName, ClassName, ... ) \
         namespace{                        \
-            struct TestName : INTERNAL_CATCH_EXPAND1(INTERNAL_CATCH_DEF ClassName) { \
+            struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName) { \
                 void test();              \
             };                            \
         }                                 \
         void TestName::test()
-
+    #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION( TestName, ... )  \
+        template<typename TestType>                                             \
+        static void TestName()
+    #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION( TestName, ClassName, ... )    \
+        namespace{                                                                                  \
+            template<typename TestType>                                                             \
+            struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName <TestType>) {     \
+                void test();                                                                        \
+            };                                                                                      \
+        }                                                                                           \
+        template<typename TestType>                                                                 \
+        void TestName::test()
 #endif
 
     ///////////////////////////////////////////////////////////////////////////////
@@ -660,7 +792,7 @@ struct AutoReg : NonCopyable {
     #define INTERNAL_CATCH_TEST_CASE_METHOD2( TestName, ClassName, ... )\
         CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
         namespace{ \
-            struct TestName : INTERNAL_CATCH_EXPAND1(INTERNAL_CATCH_DEF ClassName) { \
+            struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName) { \
                 void test(); \
             }; \
             Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar ) ( Catch::makeTestInvoker( &TestName::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
@@ -676,6 +808,77 @@ struct AutoReg : NonCopyable {
         Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( Function ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
         CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS
 
+    ///////////////////////////////////////////////////////////////////////////////
+    #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_2(TestName, TestFunc, Name, Tags, ... )\
+        CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
+        template<typename TestType> \
+        static void TestFunc();\
+        namespace {\
+            template<typename...Types> \
+            struct TestName{\
+                template<typename...Ts> \
+                TestName(Ts...names){\
+                    CATCH_INTERNAL_CHECK_UNIQUE_TYPES(CATCH_REC_LIST(INTERNAL_CATCH_REMOVE_PARENS, __VA_ARGS__)) \
+                    using expander = int[];\
+                    (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFunc<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ names, Tags } ), 0)... };/* NOLINT */ \
+                }\
+            };\
+            INTERNAL_CATCH_TEMPLATE_REGISTRY_INITIATE(TestName, Name, __VA_ARGS__) \
+        }\
+        CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
+        template<typename TestType> \
+        static void TestFunc()
+
+#if defined(CATCH_CPP17_OR_GREATER)
+#define CATCH_INTERNAL_CHECK_UNIQUE_TYPES(...) static_assert(Catch::is_unique<__VA_ARGS__>,"Duplicate type detected in declaration of template test case");
+#else
+#define CATCH_INTERNAL_CHECK_UNIQUE_TYPES(...) static_assert(Catch::is_unique<__VA_ARGS__>::value,"Duplicate type detected in declaration of template test case");
+#endif
+
+#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+    #define INTERNAL_CATCH_TEMPLATE_TEST_CASE(Name, Tags, ...) \
+        INTERNAL_CATCH_TEMPLATE_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, __VA_ARGS__ )
+#else
+    #define INTERNAL_CATCH_TEMPLATE_TEST_CASE(Name, Tags, ...) \
+        INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, __VA_ARGS__ ) )
+#endif
+
+    #define INTERNAL_CATCH_TEMPLATE_REGISTRY_INITIATE(TestName, Name, ...)\
+        static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
+            TestName<CATCH_REC_LIST(INTERNAL_CATCH_REMOVE_PARENS, __VA_ARGS__)>(CATCH_REC_LIST_UD(INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME,Name, __VA_ARGS__));\
+            return 0;\
+        }();
+
+    #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( TestNameClass, TestName, ClassName, Name, Tags, ... ) \
+        CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
+        namespace{ \
+            template<typename TestType> \
+            struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName <TestType>) { \
+                void test();\
+            };\
+            template<typename...Types> \
+            struct TestNameClass{\
+                template<typename...Ts> \
+                TestNameClass(Ts...names){\
+                    CATCH_INTERNAL_CHECK_UNIQUE_TYPES(CATCH_REC_LIST(INTERNAL_CATCH_REMOVE_PARENS, __VA_ARGS__)) \
+                    using expander = int[];\
+                    (void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ names, Tags } ), 0)... };/* NOLINT */ \
+                }\
+            };\
+            INTERNAL_CATCH_TEMPLATE_REGISTRY_INITIATE(TestNameClass, Name, __VA_ARGS__)\
+        }\
+        CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS\
+        template<typename TestType> \
+        void TestName<TestType>::test()
+
+#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+    #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( ClassName, Name, Tags,... ) \
+        INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, __VA_ARGS__ )
+#else
+    #define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( ClassName, Name, Tags,... ) \
+        INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, __VA_ARGS__ ) )
+#endif
+
 // end catch_test_registry.h
 // start catch_capture.hpp
 
@@ -850,14 +1053,7 @@ inline id performOptionalSelector( id obj, SEL sel ) {
 #pragma warning(disable:4180) // We attempt to stream a function (address) by const&, which MSVC complains about but is harmless
 #endif
 
-// We need a dummy global operator<< so we can bring it into Catch namespace later
-struct Catch_global_namespace_dummy {};
-std::ostream& operator<<(std::ostream&, Catch_global_namespace_dummy);
-
 namespace Catch {
-    // Bring in operator<< from global namespace into Catch namespace
-    using ::operator<<;
-
     namespace Detail {
 
         extern const std::string unprintableString;
@@ -1821,16 +2017,16 @@ namespace Catch {
         Capturer( StringRef macroName, SourceLineInfo const& lineInfo, ResultWas::OfType resultType, StringRef names );
         ~Capturer();
 
-        void captureValue( size_t index, StringRef value );
+        void captureValue( size_t index, std::string const& value );
 
         template<typename T>
-        void captureValues( size_t index, T&& value ) {
+        void captureValues( size_t index, T const& value ) {
             captureValue( index, Catch::Detail::stringify( value ) );
         }
 
         template<typename T, typename... Ts>
-        void captureValues( size_t index, T&& value, Ts&&... values ) {
-            captureValues( index, value );
+        void captureValues( size_t index, T const& value, Ts const&... values ) {
+            captureValue( index, Catch::Detail::stringify(value) );
             captureValues( index+1, values... );
         }
     };
@@ -2451,10 +2647,6 @@ namespace Matchers {
         struct MatcherMethod {
             virtual bool match( ObjectT const& arg ) const = 0;
         };
-        template<typename PtrT>
-        struct MatcherMethod<PtrT*> {
-            virtual bool match( PtrT* arg ) const = 0;
-        };
 
 #ifdef __clang__
 #    pragma clang diagnostic pop
@@ -4512,6 +4704,8 @@ namespace Catch {
     struct TestEventListenerBase : StreamingReporterBase<TestEventListenerBase> {
         TestEventListenerBase( ReporterConfig const& _config );
 
+        static std::set<Verbosity> getSupportedVerbosities();
+
         void assertionStarting(AssertionInfo const&) override;
         bool assertionEnded(AssertionStats const&) override;
     };
@@ -5121,6 +5315,7 @@ namespace Catch {
 
     struct LeakDetector {
         LeakDetector();
+        ~LeakDetector();
     };
 
 }
@@ -5772,7 +5967,7 @@ namespace Catch {
 //
 // See https://github.com/philsquared/Clara for more details
 
-// Clara v1.1.4
+// Clara v1.1.5
 
 
 #ifndef CATCH_CLARA_CONFIG_CONSOLE_WIDTH
@@ -5798,8 +5993,8 @@ namespace Catch {
 //
 // A single-header library for wrapping and laying out basic text, by Phil Nash
 //
-// This work is licensed under the BSD 2-Clause license.
-// See the accompanying LICENSE file, or the one at https://opensource.org/licenses/BSD-2-Clause
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 // This project is hosted at https://github.com/philsquared/textflowcpp
 
@@ -5813,314 +6008,324 @@ namespace Catch {
 #define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH 80
 #endif
 
-namespace Catch { namespace clara { namespace TextFlow {
+namespace Catch {
+namespace clara {
+namespace TextFlow {
 
-    inline auto isWhitespace( char c ) -> bool {
-        static std::string chars = " \t\n\r";
-        return chars.find( c ) != std::string::npos;
-    }
-    inline auto isBreakableBefore( char c ) -> bool {
-        static std::string chars = "[({<|";
-        return chars.find( c ) != std::string::npos;
-    }
-    inline auto isBreakableAfter( char c ) -> bool {
-        static std::string chars = "])}>.,:;*+-=&/\\";
-        return chars.find( c ) != std::string::npos;
-    }
+inline auto isWhitespace(char c) -> bool {
+	static std::string chars = " \t\n\r";
+	return chars.find(c) != std::string::npos;
+}
+inline auto isBreakableBefore(char c) -> bool {
+	static std::string chars = "[({<|";
+	return chars.find(c) != std::string::npos;
+}
+inline auto isBreakableAfter(char c) -> bool {
+	static std::string chars = "])}>.,:;*+-=&/\\";
+	return chars.find(c) != std::string::npos;
+}
 
-    class Columns;
+class Columns;
 
-    class Column {
-        std::vector<std::string> m_strings;
-        size_t m_width = CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH;
-        size_t m_indent = 0;
-        size_t m_initialIndent = std::string::npos;
+class Column {
+	std::vector<std::string> m_strings;
+	size_t m_width = CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH;
+	size_t m_indent = 0;
+	size_t m_initialIndent = std::string::npos;
 
-    public:
-        class iterator {
-            friend Column;
+public:
+	class iterator {
+		friend Column;
 
-            Column const& m_column;
-            size_t m_stringIndex = 0;
-            size_t m_pos = 0;
+		Column const& m_column;
+		size_t m_stringIndex = 0;
+		size_t m_pos = 0;
 
-            size_t m_len = 0;
-            size_t m_end = 0;
-            bool m_suffix = false;
+		size_t m_len = 0;
+		size_t m_end = 0;
+		bool m_suffix = false;
 
-            iterator( Column const& column, size_t stringIndex )
-            :   m_column( column ),
-                m_stringIndex( stringIndex )
-            {}
+		iterator(Column const& column, size_t stringIndex)
+			: m_column(column),
+			m_stringIndex(stringIndex) {}
 
-            auto line() const -> std::string const& { return m_column.m_strings[m_stringIndex]; }
+		auto line() const -> std::string const& { return m_column.m_strings[m_stringIndex]; }
 
-            auto isBoundary( size_t at ) const -> bool {
-                assert( at > 0 );
-                assert( at <= line().size() );
+		auto isBoundary(size_t at) const -> bool {
+			assert(at > 0);
+			assert(at <= line().size());
 
-                return at == line().size() ||
-                       ( isWhitespace( line()[at] ) && !isWhitespace( line()[at-1] ) ) ||
-                       isBreakableBefore( line()[at] ) ||
-                       isBreakableAfter( line()[at-1] );
-            }
+			return at == line().size() ||
+				(isWhitespace(line()[at]) && !isWhitespace(line()[at - 1])) ||
+				isBreakableBefore(line()[at]) ||
+				isBreakableAfter(line()[at - 1]);
+		}
 
-            void calcLength() {
-                assert( m_stringIndex < m_column.m_strings.size() );
+		void calcLength() {
+			assert(m_stringIndex < m_column.m_strings.size());
 
-                m_suffix = false;
-                auto width = m_column.m_width-indent();
-                m_end = m_pos;
-                while( m_end < line().size() && line()[m_end] != '\n' )
-                    ++m_end;
+			m_suffix = false;
+			auto width = m_column.m_width - indent();
+			m_end = m_pos;
+			while (m_end < line().size() && line()[m_end] != '\n')
+				++m_end;
 
-                if( m_end < m_pos + width ) {
-                    m_len = m_end - m_pos;
-                }
-                else {
-                    size_t len = width;
-                    while (len > 0 && !isBoundary(m_pos + len))
-                        --len;
-                    while (len > 0 && isWhitespace( line()[m_pos + len - 1] ))
-                        --len;
+			if (m_end < m_pos + width) {
+				m_len = m_end - m_pos;
+			} else {
+				size_t len = width;
+				while (len > 0 && !isBoundary(m_pos + len))
+					--len;
+				while (len > 0 && isWhitespace(line()[m_pos + len - 1]))
+					--len;
 
-                    if (len > 0) {
-                        m_len = len;
-                    } else {
-                        m_suffix = true;
-                        m_len = width - 1;
-                    }
-                }
-            }
+				if (len > 0) {
+					m_len = len;
+				} else {
+					m_suffix = true;
+					m_len = width - 1;
+				}
+			}
+		}
 
-            auto indent() const -> size_t {
-                auto initial = m_pos == 0 && m_stringIndex == 0 ? m_column.m_initialIndent : std::string::npos;
-                return initial == std::string::npos ? m_column.m_indent : initial;
-            }
+		auto indent() const -> size_t {
+			auto initial = m_pos == 0 && m_stringIndex == 0 ? m_column.m_initialIndent : std::string::npos;
+			return initial == std::string::npos ? m_column.m_indent : initial;
+		}
 
-            auto addIndentAndSuffix(std::string const &plain) const -> std::string {
-                return std::string( indent(), ' ' ) + (m_suffix ? plain + "-" : plain);
-            }
+		auto addIndentAndSuffix(std::string const &plain) const -> std::string {
+			return std::string(indent(), ' ') + (m_suffix ? plain + "-" : plain);
+		}
 
-        public:
-            explicit iterator( Column const& column ) : m_column( column ) {
-                assert( m_column.m_width > m_column.m_indent );
-                assert( m_column.m_initialIndent == std::string::npos || m_column.m_width > m_column.m_initialIndent );
-                calcLength();
-                if( m_len == 0 )
-                    m_stringIndex++; // Empty string
-            }
+	public:
+		using difference_type = std::ptrdiff_t;
+		using value_type = std::string;
+		using pointer = value_type * ;
+		using reference = value_type & ;
+		using iterator_category = std::forward_iterator_tag;
 
-            auto operator *() const -> std::string {
-                assert( m_stringIndex < m_column.m_strings.size() );
-                assert( m_pos <= m_end );
-                if( m_pos + m_column.m_width < m_end )
-                    return addIndentAndSuffix(line().substr(m_pos, m_len));
-                else
-                    return addIndentAndSuffix(line().substr(m_pos, m_end - m_pos));
-            }
+		explicit iterator(Column const& column) : m_column(column) {
+			assert(m_column.m_width > m_column.m_indent);
+			assert(m_column.m_initialIndent == std::string::npos || m_column.m_width > m_column.m_initialIndent);
+			calcLength();
+			if (m_len == 0)
+				m_stringIndex++; // Empty string
+		}
 
-            auto operator ++() -> iterator& {
-                m_pos += m_len;
-                if( m_pos < line().size() && line()[m_pos] == '\n' )
-                    m_pos += 1;
-                else
-                    while( m_pos < line().size() && isWhitespace( line()[m_pos] ) )
-                        ++m_pos;
+		auto operator *() const -> std::string {
+			assert(m_stringIndex < m_column.m_strings.size());
+			assert(m_pos <= m_end);
+			return addIndentAndSuffix(line().substr(m_pos, m_len));
+		}
 
-                if( m_pos == line().size() ) {
-                    m_pos = 0;
-                    ++m_stringIndex;
-                }
-                if( m_stringIndex < m_column.m_strings.size() )
-                    calcLength();
-                return *this;
-            }
-            auto operator ++(int) -> iterator {
-                iterator prev( *this );
-                operator++();
-                return prev;
-            }
+		auto operator ++() -> iterator& {
+			m_pos += m_len;
+			if (m_pos < line().size() && line()[m_pos] == '\n')
+				m_pos += 1;
+			else
+				while (m_pos < line().size() && isWhitespace(line()[m_pos]))
+					++m_pos;
 
-            auto operator ==( iterator const& other ) const -> bool {
-                return
-                    m_pos == other.m_pos &&
-                    m_stringIndex == other.m_stringIndex &&
-                    &m_column == &other.m_column;
-            }
-            auto operator !=( iterator const& other ) const -> bool {
-                return !operator==( other );
-            }
-        };
-        using const_iterator = iterator;
+			if (m_pos == line().size()) {
+				m_pos = 0;
+				++m_stringIndex;
+			}
+			if (m_stringIndex < m_column.m_strings.size())
+				calcLength();
+			return *this;
+		}
+		auto operator ++(int) -> iterator {
+			iterator prev(*this);
+			operator++();
+			return prev;
+		}
 
-        explicit Column( std::string const& text ) { m_strings.push_back( text ); }
+		auto operator ==(iterator const& other) const -> bool {
+			return
+				m_pos == other.m_pos &&
+				m_stringIndex == other.m_stringIndex &&
+				&m_column == &other.m_column;
+		}
+		auto operator !=(iterator const& other) const -> bool {
+			return !operator==(other);
+		}
+	};
+	using const_iterator = iterator;
 
-        auto width( size_t newWidth ) -> Column& {
-            assert( newWidth > 0 );
-            m_width = newWidth;
-            return *this;
-        }
-        auto indent( size_t newIndent ) -> Column& {
-            m_indent = newIndent;
-            return *this;
-        }
-        auto initialIndent( size_t newIndent ) -> Column& {
-            m_initialIndent = newIndent;
-            return *this;
-        }
+	explicit Column(std::string const& text) { m_strings.push_back(text); }
 
-        auto width() const -> size_t { return m_width; }
-        auto begin() const -> iterator { return iterator( *this ); }
-        auto end() const -> iterator { return { *this, m_strings.size() }; }
+	auto width(size_t newWidth) -> Column& {
+		assert(newWidth > 0);
+		m_width = newWidth;
+		return *this;
+	}
+	auto indent(size_t newIndent) -> Column& {
+		m_indent = newIndent;
+		return *this;
+	}
+	auto initialIndent(size_t newIndent) -> Column& {
+		m_initialIndent = newIndent;
+		return *this;
+	}
 
-        inline friend std::ostream& operator << ( std::ostream& os, Column const& col ) {
-            bool first = true;
-            for( auto line : col ) {
-                if( first )
-                    first = false;
-                else
-                    os << "\n";
-                os <<  line;
-            }
-            return os;
-        }
+	auto width() const -> size_t { return m_width; }
+	auto begin() const -> iterator { return iterator(*this); }
+	auto end() const -> iterator { return { *this, m_strings.size() }; }
 
-        auto operator + ( Column const& other ) -> Columns;
+	inline friend std::ostream& operator << (std::ostream& os, Column const& col) {
+		bool first = true;
+		for (auto line : col) {
+			if (first)
+				first = false;
+			else
+				os << "\n";
+			os << line;
+		}
+		return os;
+	}
 
-        auto toString() const -> std::string {
-            std::ostringstream oss;
-            oss << *this;
-            return oss.str();
-        }
-    };
+	auto operator + (Column const& other)->Columns;
 
-    class Spacer : public Column {
+	auto toString() const -> std::string {
+		std::ostringstream oss;
+		oss << *this;
+		return oss.str();
+	}
+};
 
-    public:
-        explicit Spacer( size_t spaceWidth ) : Column( "" ) {
-            width( spaceWidth );
-        }
-    };
+class Spacer : public Column {
 
-    class Columns {
-        std::vector<Column> m_columns;
+public:
+	explicit Spacer(size_t spaceWidth) : Column("") {
+		width(spaceWidth);
+	}
+};
 
-    public:
+class Columns {
+	std::vector<Column> m_columns;
 
-        class iterator {
-            friend Columns;
-            struct EndTag {};
+public:
 
-            std::vector<Column> const& m_columns;
-            std::vector<Column::iterator> m_iterators;
-            size_t m_activeIterators;
+	class iterator {
+		friend Columns;
+		struct EndTag {};
 
-            iterator( Columns const& columns, EndTag )
-            :   m_columns( columns.m_columns ),
-                m_activeIterators( 0 )
-            {
-                m_iterators.reserve( m_columns.size() );
+		std::vector<Column> const& m_columns;
+		std::vector<Column::iterator> m_iterators;
+		size_t m_activeIterators;
 
-                for( auto const& col : m_columns )
-                    m_iterators.push_back( col.end() );
-            }
+		iterator(Columns const& columns, EndTag)
+			: m_columns(columns.m_columns),
+			m_activeIterators(0) {
+			m_iterators.reserve(m_columns.size());
 
-        public:
-            explicit iterator( Columns const& columns )
-            :   m_columns( columns.m_columns ),
-                m_activeIterators( m_columns.size() )
-            {
-                m_iterators.reserve( m_columns.size() );
+			for (auto const& col : m_columns)
+				m_iterators.push_back(col.end());
+		}
 
-                for( auto const& col : m_columns )
-                    m_iterators.push_back( col.begin() );
-            }
+	public:
+		using difference_type = std::ptrdiff_t;
+		using value_type = std::string;
+		using pointer = value_type * ;
+		using reference = value_type & ;
+		using iterator_category = std::forward_iterator_tag;
 
-            auto operator ==( iterator const& other ) const -> bool {
-                return m_iterators == other.m_iterators;
-            }
-            auto operator !=( iterator const& other ) const -> bool {
-                return m_iterators != other.m_iterators;
-            }
-            auto operator *() const -> std::string {
-                std::string row, padding;
+		explicit iterator(Columns const& columns)
+			: m_columns(columns.m_columns),
+			m_activeIterators(m_columns.size()) {
+			m_iterators.reserve(m_columns.size());
 
-                for( size_t i = 0; i < m_columns.size(); ++i ) {
-                    auto width = m_columns[i].width();
-                    if( m_iterators[i] != m_columns[i].end() ) {
-                        std::string col = *m_iterators[i];
-                        row += padding + col;
-                        if( col.size() < width )
-                            padding = std::string( width - col.size(), ' ' );
-                        else
-                            padding = "";
-                    }
-                    else {
-                        padding += std::string( width, ' ' );
-                    }
-                }
-                return row;
-            }
-            auto operator ++() -> iterator& {
-                for( size_t i = 0; i < m_columns.size(); ++i ) {
-                    if (m_iterators[i] != m_columns[i].end())
-                        ++m_iterators[i];
-                }
-                return *this;
-            }
-            auto operator ++(int) -> iterator {
-                iterator prev( *this );
-                operator++();
-                return prev;
-            }
-        };
-        using const_iterator = iterator;
+			for (auto const& col : m_columns)
+				m_iterators.push_back(col.begin());
+		}
 
-        auto begin() const -> iterator { return iterator( *this ); }
-        auto end() const -> iterator { return { *this, iterator::EndTag() }; }
+		auto operator ==(iterator const& other) const -> bool {
+			return m_iterators == other.m_iterators;
+		}
+		auto operator !=(iterator const& other) const -> bool {
+			return m_iterators != other.m_iterators;
+		}
+		auto operator *() const -> std::string {
+			std::string row, padding;
 
-        auto operator += ( Column const& col ) -> Columns& {
-            m_columns.push_back( col );
-            return *this;
-        }
-        auto operator + ( Column const& col ) -> Columns {
-            Columns combined = *this;
-            combined += col;
-            return combined;
-        }
+			for (size_t i = 0; i < m_columns.size(); ++i) {
+				auto width = m_columns[i].width();
+				if (m_iterators[i] != m_columns[i].end()) {
+					std::string col = *m_iterators[i];
+					row += padding + col;
+					if (col.size() < width)
+						padding = std::string(width - col.size(), ' ');
+					else
+						padding = "";
+				} else {
+					padding += std::string(width, ' ');
+				}
+			}
+			return row;
+		}
+		auto operator ++() -> iterator& {
+			for (size_t i = 0; i < m_columns.size(); ++i) {
+				if (m_iterators[i] != m_columns[i].end())
+					++m_iterators[i];
+			}
+			return *this;
+		}
+		auto operator ++(int) -> iterator {
+			iterator prev(*this);
+			operator++();
+			return prev;
+		}
+	};
+	using const_iterator = iterator;
 
-        inline friend std::ostream& operator << ( std::ostream& os, Columns const& cols ) {
+	auto begin() const -> iterator { return iterator(*this); }
+	auto end() const -> iterator { return { *this, iterator::EndTag() }; }
 
-            bool first = true;
-            for( auto line : cols ) {
-                if( first )
-                    first = false;
-                else
-                    os << "\n";
-                os << line;
-            }
-            return os;
-        }
+	auto operator += (Column const& col) -> Columns& {
+		m_columns.push_back(col);
+		return *this;
+	}
+	auto operator + (Column const& col) -> Columns {
+		Columns combined = *this;
+		combined += col;
+		return combined;
+	}
 
-        auto toString() const -> std::string {
-            std::ostringstream oss;
-            oss << *this;
-            return oss.str();
-        }
-    };
+	inline friend std::ostream& operator << (std::ostream& os, Columns const& cols) {
 
-    inline auto Column::operator + ( Column const& other ) -> Columns {
-        Columns cols;
-        cols += *this;
-        cols += other;
-        return cols;
-    }
-}}} // namespace Catch::clara::TextFlow
+		bool first = true;
+		for (auto line : cols) {
+			if (first)
+				first = false;
+			else
+				os << "\n";
+			os << line;
+		}
+		return os;
+	}
+
+	auto toString() const -> std::string {
+		std::ostringstream oss;
+		oss << *this;
+		return oss.str();
+	}
+};
+
+inline auto Column::operator + (Column const& other) -> Columns {
+	Columns cols;
+	cols += *this;
+	cols += other;
+	return cols;
+}
+}
+
+}
+}
 
 // ----------- end of #include from clara_textflow.hpp -----------
 // ........... back in clara.hpp
 
+#include <string>
 #include <memory>
 #include <set>
 #include <algorithm>
@@ -7119,6 +7324,18 @@ namespace Catch {
                 return ParserResult::runtimeError( "Unrecognised verbosity, '" + verbosity + "'" );
             return ParserResult::ok( ParseResultType::Matched );
         };
+        auto const setReporter = [&]( std::string const& reporter ) {
+            IReporterRegistry::FactoryMap const& factories = getRegistryHub().getReporterRegistry().getFactories();
+
+            auto lcReporter = toLower( reporter );
+            auto result = factories.find( lcReporter );
+
+            if( factories.end() != result )
+                config.reporterName = lcReporter;
+            else
+                return ParserResult::runtimeError( "Unrecognized reporter, '" + reporter + "'. Check available with --list-reporters" );
+            return ParserResult::ok( ParseResultType::Matched );
+        };
 
         auto cli
             = ExeName( config.processName )
@@ -7144,7 +7361,7 @@ namespace Catch {
             | Opt( config.outputFilename, "filename" )
                 ["-o"]["--out"]
                 ( "output filename" )
-            | Opt( config.reporterName, "name" )
+            | Opt( setReporter, "name" )
                 ["-r"]["--reporter"]
                 ( "reporter to use (defaults to console)" )
             | Opt( config.name, "name" )
@@ -8292,6 +8509,10 @@ namespace Catch {
     Catch::LeakDetector::LeakDetector() {}
 
 #endif
+
+Catch::LeakDetector::~LeakDetector() {
+    Catch::cleanUp();
+}
 // end catch_leak_detector.cpp
 // start catch_list.cpp
 
@@ -8315,7 +8536,7 @@ namespace Catch {
 
     std::size_t listTags( Config const& config );
 
-    std::size_t listReporters( Config const& /*config*/ );
+    std::size_t listReporters();
 
     Option<std::size_t> list( Config const& config );
 
@@ -8433,7 +8654,7 @@ namespace Catch {
         return tagCounts.size();
     }
 
-    std::size_t listReporters( Config const& /*config*/ ) {
+    std::size_t listReporters() {
         Catch::cout() << "Available reporters:\n";
         IReporterRegistry::FactoryMap const& factories = getRegistryHub().getReporterRegistry().getFactories();
         std::size_t maxNameLen = 0;
@@ -8464,7 +8685,7 @@ namespace Catch {
         if( config.listTags() )
             listedCount = listedCount.valueOr(0) + listTags( config );
         if( config.listReporters() )
-            listedCount = listedCount.valueOr(0) + listReporters( config );
+            listedCount = listedCount.valueOr(0) + listReporters();
         return listedCount;
     }
 
@@ -8494,6 +8715,14 @@ using Matchers::Impl::MatcherBase;
 // end catch_matchers.cpp
 // start catch_matchers_floating.cpp
 
+// start catch_polyfills.hpp
+
+namespace Catch {
+    bool isnan(float f);
+    bool isnan(double d);
+}
+
+// end catch_polyfills.hpp
 // start catch_to_string.hpp
 
 #include <string>
@@ -8559,7 +8788,7 @@ template <typename FP>
 bool almostEqualUlps(FP lhs, FP rhs, int maxUlpDiff) {
     // Comparison with NaN should always be false.
     // This way we can rule it out before getting into the ugly details
-    if (std::isnan(lhs) || std::isnan(rhs)) {
+    if (Catch::isnan(lhs) || Catch::isnan(rhs)) {
         return false;
     }
 
@@ -8767,6 +8996,7 @@ namespace Catch {
 
 // end catch_uncaught_exceptions.h
 #include <cassert>
+#include <stack>
 
 namespace Catch {
 
@@ -8813,19 +9043,48 @@ namespace Catch {
     }
 
     Capturer::Capturer( StringRef macroName, SourceLineInfo const& lineInfo, ResultWas::OfType resultType, StringRef names ) {
-        auto start = std::string::npos;
-        for( size_t pos = 0; pos <= names.size(); ++pos ) {
+        auto trimmed = [&] (size_t start, size_t end) {
+            while (names[start] == ',' || isspace(names[start])) {
+                ++start;
+            }
+            while (names[end] == ',' || isspace(names[end])) {
+                --end;
+            }
+            return names.substr(start, end - start + 1);
+        };
+
+        size_t start = 0;
+        std::stack<char> openings;
+        for (size_t pos = 0; pos < names.size(); ++pos) {
             char c = names[pos];
-            if( pos == names.size() || c == ' ' || c == '\t' || c == ',' || c == ']' ) {
-                if( start != std::string::npos ) {
-                    m_messages.push_back( MessageInfo( macroName, lineInfo, resultType ) );
-                    m_messages.back().message = names.substr( start, pos-start) + " := ";
-                    start = std::string::npos;
+            switch (c) {
+            case '[':
+            case '{':
+            case '(':
+            // It is basically impossible to disambiguate between
+            // comparison and start of template args in this context
+//            case '<':
+                openings.push(c);
+                break;
+            case ']':
+            case '}':
+            case ')':
+//           case '>':
+                openings.pop();
+                break;
+            case ',':
+                if (start != pos && openings.size() == 0) {
+                    m_messages.emplace_back(macroName, lineInfo, resultType);
+                    m_messages.back().message = trimmed(start, pos);
+                    m_messages.back().message += " := ";
+                    start = pos;
                 }
             }
-            else if( c != '[' && c != ']' && start == std::string::npos )
-                start = pos;
         }
+        assert(openings.size() == 0 && "Mismatched openings");
+        m_messages.emplace_back(macroName, lineInfo, resultType);
+        m_messages.back().message = trimmed(start, names.size() - 1);
+        m_messages.back().message += " := ";
     }
     Capturer::~Capturer() {
         if ( !uncaught_exceptions() ){
@@ -8835,7 +9094,7 @@ namespace Catch {
         }
     }
 
-    void Capturer::captureValue( size_t index, StringRef value ) {
+    void Capturer::captureValue( size_t index, std::string const& value ) {
         assert( index < m_messages.size() );
         m_messages[index].message += value;
         m_resultCapture.pushScopedMessage( m_messages[index] );
@@ -9063,6 +9322,31 @@ namespace Catch {
     #endif
 #endif
 // end catch_output_redirect.cpp
+// start catch_polyfills.cpp
+
+#include <cmath>
+
+namespace Catch {
+
+#if !defined(CATCH_CONFIG_POLYFILL_ISNAN)
+    bool isnan(float f) {
+        return std::isnan(f);
+    }
+    bool isnan(double d) {
+        return std::isnan(d);
+    }
+#else
+    // For now we only use this for embarcadero
+    bool isnan(float f) {
+        return std::_isnan(f);
+    }
+    bool isnan(double d) {
+        return std::_isnan(d);
+    }
+#endif
+
+} // end namespace Catch
+// end catch_polyfills.cpp
 // start catch_random_number_generator.cpp
 
 namespace Catch {
@@ -9930,13 +10214,22 @@ namespace Catch {
         void libIdentify();
 
         int applyCommandLine( int argc, char const * const * argv );
+    #if defined(CATCH_CONFIG_WCHAR) && defined(WIN32) && defined(UNICODE)
+        int applyCommandLine( int argc, wchar_t const * const * argv );
+    #endif
 
         void useConfigData( ConfigData const& configData );
 
-        int run( int argc, char* argv[] );
-    #if defined(CATCH_CONFIG_WCHAR) && defined(WIN32) && defined(UNICODE)
-        int run( int argc, wchar_t* const argv[] );
-    #endif
+        template<typename CharT>
+        int run(int argc, CharT const * const argv[]) {
+            if (m_startupExceptions)
+                return 1;
+            int returnCode = applyCommandLine(argc, argv);
+            if (returnCode == 0)
+                returnCode = run();
+            return returnCode;
+        }
+
         int run();
 
         clara::Parser const& cli() const;
@@ -10017,8 +10310,6 @@ namespace Catch {
         }
 
         Catch::Totals runTests(std::shared_ptr<Config> const& config) {
-            // FixMe: Add listeners in order first, then add reporters.
-
             auto reporter = makeReporter(config);
 
             RunContext context(config, std::move(reporter));
@@ -10148,22 +10439,8 @@ namespace Catch {
         return 0;
     }
 
-    void Session::useConfigData( ConfigData const& configData ) {
-        m_configData = configData;
-        m_config.reset();
-    }
-
-    int Session::run( int argc, char* argv[] ) {
-        if( m_startupExceptions )
-            return 1;
-        int returnCode = applyCommandLine( argc, argv );
-        if( returnCode == 0 )
-            returnCode = run();
-        return returnCode;
-    }
-
 #if defined(CATCH_CONFIG_WCHAR) && defined(WIN32) && defined(UNICODE)
-    int Session::run( int argc, wchar_t* const argv[] ) {
+    int Session::applyCommandLine( int argc, wchar_t const * const * argv ) {
 
         char **utf8Argv = new char *[ argc ];
 
@@ -10175,7 +10452,7 @@ namespace Catch {
             WideCharToMultiByte( CP_UTF8, 0, argv[i], -1, utf8Argv[i], bufSize, NULL, NULL );
         }
 
-        int returnCode = run( argc, utf8Argv );
+        int returnCode = applyCommandLine( argc, utf8Argv );
 
         for ( int i = 0; i < argc; ++i )
             delete [] utf8Argv[ i ];
@@ -10185,6 +10462,12 @@ namespace Catch {
         return returnCode;
     }
 #endif
+
+    void Session::useConfigData( ConfigData const& configData ) {
+        m_configData = configData;
+        m_config.reset();
+    }
+
     int Session::run() {
         if( ( m_configData.waitForKeypress & WaitForKeypress::BeforeStart ) != 0 ) {
             Catch::cout() << "...waiting for enter/ return before starting" << std::endl;
@@ -11552,7 +11835,7 @@ namespace Detail {
 
 template<typename T>
 std::string fpToString( T value, int precision ) {
-    if (std::isnan(value)) {
+    if (Catch::isnan(value)) {
         return "nan";
     }
 
@@ -11686,7 +11969,7 @@ std::string StringMaker<bool>::convert(bool b) {
     return b ? "true" : "false";
 }
 
-std::string StringMaker<char>::convert(char value) {
+std::string StringMaker<signed char>::convert(signed char value) {
     if (value == '\r') {
         return "'\\r'";
     } else if (value == '\f') {
@@ -11703,8 +11986,8 @@ std::string StringMaker<char>::convert(char value) {
         return chstr;
     }
 }
-std::string StringMaker<signed char>::convert(signed char c) {
-    return ::Catch::Detail::stringify(static_cast<char>(c));
+std::string StringMaker<char>::convert(char c) {
+    return ::Catch::Detail::stringify(static_cast<signed char>(c));
 }
 std::string StringMaker<unsigned char>::convert(unsigned char c) {
     return ::Catch::Detail::stringify(static_cast<char>(c));
@@ -11836,7 +12119,7 @@ namespace Catch {
     }
 
     Version const& libraryVersion() {
-        static Version version( 2, 4, 1, "", 0 );
+        static Version version( 2, 5, 0, "", 0 );
         return version;
     }
 
@@ -12194,6 +12477,10 @@ namespace Catch {
     TestEventListenerBase::TestEventListenerBase(ReporterConfig const & _config)
         :StreamingReporterBase(_config) {}
 
+    std::set<Verbosity> TestEventListenerBase::getSupportedVerbosities() {
+        return { Verbosity::Quiet, Verbosity::Normal, Verbosity::High };
+    }
+
     void TestEventListenerBase::assertionStarting(AssertionInfo const &) {}
 
     bool TestEventListenerBase::assertionEnded(AssertionStats const &) {
@@ -12582,8 +12869,6 @@ public:
     void print() const {
         printSourceInfo();
         if (stats.totals.assertions.total() > 0) {
-            if (result.isOk())
-                stream << '\n';
             printResultType();
             printOriginalExpression();
             printReconstructedExpression();
@@ -13517,6 +13802,9 @@ namespace Catch {
         m_xml.startElement( "Catch" );
         if( !m_config->name().empty() )
             m_xml.writeAttribute( "name", m_config->name() );
+        if( m_config->rngSeed() != 0 )
+            m_xml.scopedElement( "Randomness" )
+                .writeAttribute( "seed", m_config->rngSeed() );
     }
 
     void XmlReporter::testGroupStarting( GroupInfo const& groupInfo ) {
@@ -13792,6 +14080,22 @@ int main (int argc, char * const argv[]) {
 
 #define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()
 
+#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+#define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
+#define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
+#else
+#define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ ) )
+#define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
+#endif
+
+#if !defined(CATCH_CONFIG_RUNTIME_STATIC_REQUIRE)
+#define CATCH_STATIC_REQUIRE( ... )       static_assert(   __VA_ARGS__ ,      #__VA_ARGS__ );     CATCH_SUCCEED( #__VA_ARGS__ )
+#define CATCH_STATIC_REQUIRE_FALSE( ... ) static_assert( !(__VA_ARGS__), "!(" #__VA_ARGS__ ")" ); CATCH_SUCCEED( #__VA_ARGS__ )
+#else
+#define CATCH_STATIC_REQUIRE( ... )       CATCH_REQUIRE( __VA_ARGS__ )
+#define CATCH_STATIC_REQUIRE_FALSE( ... ) CATCH_REQUIRE_FALSE( __VA_ARGS__ )
+#endif
+
 // "BDD-style" convenience wrappers
 #define CATCH_SCENARIO( ... ) CATCH_TEST_CASE( "Scenario: " __VA_ARGS__ )
 #define CATCH_SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TEST_CASE_METHOD( className, "Scenario: " __VA_ARGS__ )
@@ -13851,6 +14155,22 @@ int main (int argc, char * const argv[]) {
 #define SUCCEED( ... ) INTERNAL_CATCH_MSG( "SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__ )
 #define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()
 
+#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+#define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
+#define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
+#else
+#define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ ) )
+#define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
+#endif
+
+#if !defined(CATCH_CONFIG_RUNTIME_STATIC_REQUIRE)
+#define STATIC_REQUIRE( ... )       static_assert(   __VA_ARGS__,  #__VA_ARGS__ ); SUCCEED( #__VA_ARGS__ )
+#define STATIC_REQUIRE_FALSE( ... ) static_assert( !(__VA_ARGS__), "!(" #__VA_ARGS__ ")" ); SUCCEED( "!(" #__VA_ARGS__ ")" )
+#else
+#define STATIC_REQUIRE( ... )       REQUIRE( __VA_ARGS__ )
+#define STATIC_REQUIRE_FALSE( ... ) REQUIRE_FALSE( __VA_ARGS__ )
+#endif
+
 #endif
 
 #define CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION( signature )
@@ -13921,6 +14241,14 @@ using Catch::Detail::Approx;
 
 #define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
 
+#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+#define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) )
+#define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), className )
+#else
+#define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) ) )
+#define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), className ) )
+#endif
+
 // "BDD-style" convenience wrappers
 #define CATCH_SCENARIO( ... ) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
 #define CATCH_SCENARIO_METHOD( className, ... ) INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), className )
@@ -13931,6 +14259,9 @@ using Catch::Detail::Approx;
 #define CATCH_THEN( desc )
 #define CATCH_AND_THEN( desc )
 
+#define CATCH_STATIC_REQUIRE( ... )       (void)(0)
+#define CATCH_STATIC_REQUIRE_FALSE( ... ) (void)(0)
+
 // If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
 #else
 
@@ -13980,6 +14311,17 @@ using Catch::Detail::Approx;
 #define SUCCEED( ... ) (void)(0)
 #define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ))
 
+#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
+#define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) )
+#define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), className )
+#else
+#define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) ) )
+#define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), className ) )
+#endif
+
+#define STATIC_REQUIRE( ... )       (void)(0)
+#define STATIC_REQUIRE_FALSE( ... ) (void)(0)
+
 #endif
 
 #define CATCH_TRANSLATE_EXCEPTION( signature ) INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG( INTERNAL_CATCH_UNIQUE_NAME( catch_internal_ExceptionTranslator ), signature )