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32cf7f7acc
The current code could do unnecessary calls to isinf() (two for the argument values all the time while one could be sufficient in some cases). zero_is_valid was never used but the result value was still checked on 0 in the first position of the check. This is similar to 607f8ce. btree_gist has just copy-pasted the code doing those checks from the backend float4/8 code, as of the macro CHECKFLOATVAL(), to do the work. Author: Haiying Tang Discussion: https://postgr.es/m/OS0PR01MB611358E3A7BC3C2F874AC36BFBF39@OS0PR01MB6113.jpnprd01.prod.outlook.com