Commitfe74581

Thomas G. Lockhart

committed

Use finite() macro if available to check returns from pow() and exp().

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+13

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+13

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Lines changed: 13 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`*`
`8`	`8`	`*`
`9`	`9`	`* IDENTIFICATION`
`10`		`- * $Header: /cvsroot/pgsql/src/backend/utils/adt/float.c,v 1.15 1997/05/14 04:35:10 thomas Exp $`
	`10`	`+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/float.c,v 1.16 1997/06/03 13:58:06 thomas Exp $`
`11`	`11`	`*`
`12`	`12`	`*-------------------------------------------------------------------------`
`13`	`13`	`*/`
`@@ -974,9 +974,15 @@ float64 dpow(float64 arg1, float64 arg2)`
`974`	`974`
`975`	`975`	`tmp1=*arg1;`
`976`	`976`	`tmp2=*arg2;`
	`977`	`+#ifndeffinite`
`977`	`978`	`errno=0;`
	`979`	`+#endif`
`978`	`980`	`*result= (float64data)pow(tmp1,tmp2);`
	`981`	`+#ifndeffinite`
`979`	`982`	`if (errno==ERANGE)`
	`983`	`+#else`
	`984`	`+if (!finite(*result))`
	`985`	`+#endif`
`980`	`986`	`elog(WARN,"pow() returned a floating point out of the range\n");`
`981`	`987`
`982`	`988`	`CheckFloat8Val(*result);`
`@@ -998,9 +1004,15 @@ float64 dexp(float64 arg1)`
`998`	`1004`	`result= (float64)palloc(sizeof(float64data));`
`999`	`1005`
`1000`	`1006`	`tmp=*arg1;`
	`1007`	`+#ifndeffinite`
`1001`	`1008`	`errno=0;`
	`1009`	`+#endif`
`1002`	`1010`	`*result= (float64data)exp(tmp);`
	`1011`	`+#ifndeffinite`
`1003`	`1012`	`if (errno==ERANGE)`
	`1013`	`+#else`
	`1014`	`+if (!finite(*result))`
	`1015`	`+#endif`
`1004`	`1016`	`elog(WARN,"exp() returned a floating point out of range\n");`
`1005`	`1017`
`1006`	`1018`	`CheckFloat8Val(*result);`

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