Compares the two #gdouble values being pointed to and returns true if they are equal. It can be passed to glib.hash_table.HashTable.new_ as the key_equal_func parameter, when using non-null pointers to doubles as keys in a #GHashTable.
a pointer to a #gdouble key
a pointer to a #gdouble key to compare with v1
true if the two keys match.
Compares the two #gdouble values being pointed to and returns true if they are equal. It can be passed to glib.hash_table.HashTable.new_ as the key_equal_func parameter, when using non-null pointers to doubles as keys in a #GHashTable.