diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2023-01-09 12:44:00 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2023-01-09 12:44:00 -0500 |
| commit | 38d81760c4d7e22b95252e3545596602c9e38806 (patch) | |
| tree | c5f8802619bf418dbdcc40392bb6d47123861908 /src/include/common | |
| parent | 2673ebf49acfd83b09c777ced8f21eacd27b51ce (diff) | |
Invent random_normal() to provide normally-distributed random numbers.
There is already a version of this in contrib/tablefunc, but it
seems sufficiently widely useful to justify having it in core.
Paul Ramsey
Discussion: https://postgr.es/m/CACowWR0DqHAvOKUCNxTrASFkWsDLqKMd6WiXvVvaWg4pV1BMnQ@mail.gmail.com
Diffstat (limited to 'src/include/common')
| -rw-r--r-- | src/include/common/pg_prng.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/common/pg_prng.h b/src/include/common/pg_prng.h index 9e11e8fffdc..b5c0b8d2883 100644 --- a/src/include/common/pg_prng.h +++ b/src/include/common/pg_prng.h @@ -55,6 +55,7 @@ extern uint32 pg_prng_uint32(pg_prng_state *state); extern int32 pg_prng_int32(pg_prng_state *state); extern int32 pg_prng_int32p(pg_prng_state *state); extern double pg_prng_double(pg_prng_state *state); +extern double pg_prng_double_normal(pg_prng_state *state); extern bool pg_prng_bool(pg_prng_state *state); #endif /* PG_PRNG_H */ |