diff options
| author | Robert Kern <robert.kern@gmail.com> | 2007-12-03 06:39:46 +0000 |
|---|---|---|
| committer | Robert Kern <robert.kern@gmail.com> | 2007-12-03 06:39:46 +0000 |
| commit | 0f4730e74c87e50c6ccc5b072ea733d9a3fe96f4 (patch) | |
| tree | 4f370e79738f6a011a0ae9363af105cc7352b4ba /numpy | |
| parent | 37689e0dd3f0e76f0c043784c961d2918dd175b5 (diff) | |
| download | numpy-0f4730e74c87e50c6ccc5b072ea733d9a3fe96f4.tar.gz | |
BUG: fix incorrect ordering of the 'good' and 'bad' objects in the hypergeometric distribution.
Diffstat (limited to 'numpy')
| -rw-r--r-- | numpy/random/mtrand/distributions.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/numpy/random/mtrand/distributions.c b/numpy/random/mtrand/distributions.c index bbf02a061..43d35d81d 100644 --- a/numpy/random/mtrand/distributions.c +++ b/numpy/random/mtrand/distributions.c @@ -742,7 +742,7 @@ long rk_hypergeometric_hyp(rk_state *state, long good, long bad, long sample) if (K == 0) break; } Z = (long)(d2 - Y); - if (bad > good) Z = sample - Z; + if (good > bad) Z = sample - Z; return Z; } @@ -795,7 +795,7 @@ long rk_hypergeometric_hrua(rk_state *state, long good, long bad, long sample) } /* this is a correction to HRUA* by Ivan Frohne in rv.py */ - if (bad > good) Z = m - Z; + if (good > bad) Z = m - Z; /* another fix from rv.py to allow sample to exceed popsize/2 */ if (m < sample) Z = bad - Z; |