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--- libdjvu/GContainer.h.old 2006-01-29 11:04:51.000000000 +0100
+++ libdjvu/GContainer.h 2006-01-29 11:05:32.000000000 +0100
@@ -134,6 +134,88 @@
//@{
+// ------------------------------------------------------------
+// HASH FUNCTIONS
+// ------------------------------------------------------------
+
+
+/** @name Hash functions
+ These functions let you use template class \Ref{GMap} with the
+ corresponding elementary types. The returned hash code may be reduced to
+ an arbitrary range by computing its remainder modulo the upper bound of
+ the range.
+ @memo Hash functions for elementary types. */
+//@{
+
+/** Hashing function (unsigned int). */
+static inline unsigned int
+hash(const unsigned int & x)
+{
+ return x;
+}
+
+/** Hashing function (int). */
+static inline unsigned int
+hash(const int & x)
+{
+ return (unsigned int)x;
+}
+
+/** Hashing function (long). */
+static inline unsigned int
+hash(const long & x)
+{
+ return (unsigned int)x;
+}
+
+/** Hashing function (unsigned long). */
+static inline unsigned int
+hash(const unsigned long & x)
+{
+ return (unsigned int)x;
+}
+
+/** Hashing function (void *). */
+static inline unsigned int
+hash(void * const & x)
+{
+ return (unsigned long) x;
+}
+
+/** Hashing function (const void *). */
+static inline unsigned int
+hash(const void * const & x)
+{
+ return (unsigned long) x;
+}
+
+/** Hashing function (float). */
+static inline unsigned int
+hash(const float & x)
+{
+ // optimizer will get rid of unnecessary code
+ unsigned int *addr = (unsigned int*)&x;
+ if (sizeof(float)<2*sizeof(unsigned int))
+ return addr[0];
+ else
+ return addr[0]^addr[1];
+}
+
+/** Hashing function (double). */
+static inline unsigned int
+hash(const double & x)
+{
+ // optimizer will get rid of unnecessary code
+ unsigned int *addr = (unsigned int*)&x;
+ if (sizeof(double)<2*sizeof(unsigned int))
+ return addr[0];
+ else if (sizeof(double)<4*sizeof(unsigned int))
+ return addr[0]^addr[1];
+ else
+ return addr[0]^addr[1]^addr[2]^addr[3];
+}
+
+
// ------------------------------------------------------------
// HELPER CLASSES
@@ -1266,88 +1348,6 @@
};
-// ------------------------------------------------------------
-// HASH FUNCTIONS
-// ------------------------------------------------------------
-
-
-/** @name Hash functions
- These functions let you use template class \Ref{GMap} with the
- corresponding elementary types. The returned hash code may be reduced to
- an arbitrary range by computing its remainder modulo the upper bound of
- the range.
- @memo Hash functions for elementary types. */
-//@{
-
-/** Hashing function (unsigned int). */
-static inline unsigned int
-hash(const unsigned int & x)
-{
- return x;
-}
-
-/** Hashing function (int). */
-static inline unsigned int
-hash(const int & x)
-{
- return (unsigned int)x;
-}
-
-/** Hashing function (long). */
-static inline unsigned int
-hash(const long & x)
-{
- return (unsigned int)x;
-}
-
-/** Hashing function (unsigned long). */
-static inline unsigned int
-hash(const unsigned long & x)
-{
- return (unsigned int)x;
-}
-
-/** Hashing function (void *). */
-static inline unsigned int
-hash(void * const & x)
-{
- return (unsigned long) x;
-}
-
-/** Hashing function (const void *). */
-static inline unsigned int
-hash(const void * const & x)
-{
- return (unsigned long) x;
-}
-
-/** Hashing function (float). */
-static inline unsigned int
-hash(const float & x)
-{
- // optimizer will get rid of unnecessary code
- unsigned int *addr = (unsigned int*)&x;
- if (sizeof(float)<2*sizeof(unsigned int))
- return addr[0];
- else
- return addr[0]^addr[1];
-}
-
-/** Hashing function (double). */
-static inline unsigned int
-hash(const double & x)
-{
- // optimizer will get rid of unnecessary code
- unsigned int *addr = (unsigned int*)&x;
- if (sizeof(double)<2*sizeof(unsigned int))
- return addr[0];
- else if (sizeof(double)<4*sizeof(unsigned int))
- return addr[0]^addr[1];
- else
- return addr[0]^addr[1]^addr[2]^addr[3];
-}
-
-
//@}
//@}
//@}
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