doubleEqual
Compares the two #gdouble values being pointed to and returns true if they are equal. It can be passed to g_hash_table_new() as the @key_equal_func parameter, when using non-null pointers to doubles as keys in a #GHashTable.
Return
true if the two keys match.
Since
2.22
Parameters
v1
a pointer to a #gdouble key
v2
a pointer to a #gdouble key to compare with @v1