Optimize the implementation of `g_double_hash`
To avoid hash collisions when the integer value corresponding to the gdouble numbers are the same, or gdouble numbers are larger than 2**64-1.
Closes: #2771 (closed)
Edited by Marco Trevisan
To avoid hash collisions when the integer value corresponding to the gdouble numbers are the same, or gdouble numbers are larger than 2**64-1.
Closes: #2771 (closed)