Improve dpow() check for ERANGE overflow for HPPA.
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.143 2007/01/06 02:28:38 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.144 2007/01/06 04:14:55 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -1459,10 +1459,9 @@ dpow(PG_FUNCTION_ARGS)
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else
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result = 1;
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}
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else if (errno == ERANGE)
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{
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result = (arg1 >= 0) ? get_float8_infinity() : -get_float8_infinity();
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}
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/* Some platoforms, e.g. HPPA, return ERANGE, but HUGE_VAL, not Inf */
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else if (errno == ERANGE && !isinf(result))
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result = get_float8_infinity();
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CHECKFLOATVAL(result, isinf(arg1) || isinf(arg2), arg1 == 0);
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PG_RETURN_FLOAT8(result);
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