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Fix for factorial(0::int2) returning 1, from sugita@sra.co.jp.

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This commit is contained in:
Bruce Momjian 2002-06-07 23:41:53 +00:00
parent 74a8af099f
commit 8a3f34b558
1 changed files with 4 additions and 2 deletions
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6
src/backend/utils/adt/int.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.48 2002/02/23 01:01:30 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.49 2002/06/07 23:41:53 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -800,7 +800,9 @@ int2fac(PG_FUNCTION_ARGS)
int16 arg1 = PG_GETARG_INT16(0);
int32 result;
if (arg1 < 1)
if (arg1 == 0)
result = 1;
else if (arg1 < 1)
result = 0;
else
for (result = 1; arg1 > 0; --arg1)