Add irr::s64 back in (using long long for non VS compilers). If there's any...

Add irr::s64 back in (using long long for non VS compilers). If there's any problem with this please inform me, I'd like that to stay in as it makes Irrlicht a lot easier to use in combination with the Clipper library (a boost-licensed library for working with 2d polygons).

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4114 dfc29bdd-3216-0410-991c-e03cc46cb475

include/irrMath.h

@@ -39,6 +39,7 @@ namespace core
 	//! Rounding error constant often used when comparing f32 values.
 
 	const s32 ROUNDING_ERROR_S32 = 0;
+	const s64 ROUNDING_ERROR_S64 = 0;
 	const f32 ROUNDING_ERROR_f32 = 0.000001f;
 	const f64 ROUNDING_ERROR_f64 = 0.00000001;
 
@@ -210,6 +211,12 @@ namespace core
 		return (a + tolerance >= b) && (a - tolerance <= b);
 	}
 
+	//! returns if a equals b, taking an explicit rounding tolerance into account
+	inline bool equals(const s64 a, const s64 b, const s64 tolerance = ROUNDING_ERROR_S64)
+	{
+		return (a + tolerance >= b) && (a - tolerance <= b);
+	}
+
 
 	//! returns if a equals zero, taking rounding errors into account
 	inline bool iszero(const f64 a, const f64 tolerance = ROUNDING_ERROR_f64)

include/irrTypes.h

@@ -68,11 +68,13 @@ typedef signed int		s32;
 
 
 
-// 64 bit signed variable.
-// This is a typedef for __int64, it ensures portability of the engine.
-// This type is currently not used by the engine and not supported by compilers
-// other than Microsoft Compilers, so it is outcommented.
-//typedef __int64				s64;
+//! 64 bit signed variable.
+/** This is a typedef for __int64, it ensures portability of the engine. */
+#ifdef _MSC_VER
+typedef __int64				s64;
+#else
+typedef long long			s64;
+#endif
 
 
 

tools/FileToHeader/FileToHeader.layout

 <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
 <CodeBlocks_layout_file>
 	<ActiveTarget name="All" />
-	<File name="main.cpp" open="0" top="0" tabpos="0" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
-		<Cursor1 position="363" topLine="6" />
+	<File name="main.cpp" open="0" top="0" tabpos="0">
+		<Cursor position="363" topLine="6" />
 	</File>
 </CodeBlocks_layout_file>