MemoryMappedFile::toString() method, cleanup of constants.h

include/mitsuba/core/constants.h

@@ -75,14 +75,6 @@
 #define SQRT_TWO_DBL      1.41421356237309504880
 #define INV_SQRT_TWO_DBL  0.70710678118654752440
 
-#define M_E               M_E_DBL
-#define M_PI              M_PI_DBL
-#define INV_PI            INV_PI_DBL
-#define INV_TWOPI         INV_TWOPI_DBL
-#define INV_FOURPI        INV_FOURPI_DBL
-#define SQRT_TWO          SQRT_TWO_DBL
-#define INV_SQRT_TWO      INV_SQRT_TWO_DBL
-
 #ifdef SINGLE_PRECISION
 #define M_E               M_E_FLT
 #define M_PI              M_PI_FLT

include/mitsuba/core/mmap.h

@@ -46,10 +46,13 @@ public:
 	/// Return the size of the mapped region
 	size_t getSize() const;
 
-	/// Release all resources
+	/// Return a string representation
-	virtual ~MemoryMappedFile();
+	std::string toString() const;
 
 	MTS_DECLARE_CLASS()
+protected:
+	/// Release all resources
+	virtual ~MemoryMappedFile();
 private:
 	struct MemoryMappedFilePrivate;
 	boost::scoped_ptr<MemoryMappedFilePrivate> d;

src/libcore/mmap.cpp

@@ -134,5 +134,13 @@ size_t MemoryMappedFile::getSize() const {
 	return d->size;
 }
 
+std::string MemoryMappedFile::toString() const {
+	std::ostringstream oss;
+	oss << "MemoryMappedFile[filename=\""
+		<< d->filename.string() << "\", size=" 
+		<< memString(d->size) << "]";
+	return oss.str();
+}
+
 MTS_IMPLEMENT_CLASS(MemoryMappedFile, false, Object)
 MTS_NAMESPACE_END