Commit19ce06b

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Improve dpow() check for ERANGE overflow for HPPA.

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Lines changed: 4 additions & 5 deletions

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.143 2007/01/0602:28:38 tgl Exp $`
	`11`	`+ * $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.144 2007/01/0604:14:55 momjian Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -1459,10 +1459,9 @@ dpow(PG_FUNCTION_ARGS)`
`1459`	`1459`	`else`
`1460`	`1460`	`result=1;`
`1461`	`1461`	`}`
`1462`		`-elseif (errno==ERANGE)`
`1463`		`-{`
`1464`		`-result= (arg1 >=0) ?get_float8_infinity() :-get_float8_infinity();`
`1465`		`-}`
	`1462`	`+/* Some platoforms, e.g. HPPA, return ERANGE, but HUGE_VAL, not Inf */`
	`1463`	`+elseif (errno==ERANGE&& !isinf(result))`
	`1464`	`+result=get_float8_infinity();`
`1466`	`1465`
`1467`	`1466`	`CHECKFLOATVAL(result,isinf(arg1)\|\|isinf(arg2),arg1==0);`
`1468`	`1467`	`PG_RETURN_FLOAT8(result);`

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