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Diffstat (limited to 'src/backend/utils/adt/float.c')
| -rw-r--r-- | src/backend/utils/adt/float.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c index e7d0cdd70dd..2f1e262ea7a 100644 --- a/src/backend/utils/adt/float.c +++ b/src/backend/utils/adt/float.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.153 2008/01/01 19:45:52 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.154 2008/03/10 12:39:22 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1684,8 +1684,12 @@ Datum setseed(PG_FUNCTION_ARGS) { float8 seed = PG_GETARG_FLOAT8(0); - int iseed = (int) (seed * MAX_RANDOM_VALUE); + int iseed; + if (seed < -1 || seed > 1) + elog(ERROR, "setseed parameter %f out of range [-1,1]", seed); + + iseed = (int) (seed * MAX_RANDOM_VALUE); srandom((unsigned int) iseed); PG_RETURN_VOID(); |