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| author | Bruce Momjian <bruce@momjian.us> | 2002-02-23 01:01:30 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2002-02-23 01:01:30 +0000 |
| commit | ab786f6299b86aa9e58e7e9a5d664faa4de7eb85 (patch) | |
| tree | e9b898bb091cfe610ec0d009d575801562b2e057 /src/backend/utils/adt/int.c | |
| parent | ad0787b2bd3403f0c14c72a9ea2e13501f90b7d3 (diff) | |
| download | postgresql-ab786f6299b86aa9e58e7e9a5d664faa4de7eb85.tar.gz postgresql-ab786f6299b86aa9e58e7e9a5d664faa4de7eb85.zip | |
Make factorial(0) return 1, as per spec.
Diffstat (limited to 'src/backend/utils/adt/int.c')
| -rw-r--r-- | src/backend/utils/adt/int.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c index e04ae89cea0..99c61558474 100644 --- a/src/backend/utils/adt/int.c +++ b/src/backend/utils/adt/int.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.47 2001/06/07 00:09:29 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.48 2002/02/23 01:01:30 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -784,7 +784,9 @@ int4fac(PG_FUNCTION_ARGS) int32 arg1 = PG_GETARG_INT32(0); int32 result; - if (arg1 < 1) + if (arg1 == 0) + result = 1; + else if (arg1 < 1) result = 0; else for (result = 1; arg1 > 0; --arg1) |