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authorKenneth Heafield <github@kheafield.com>2012-10-22 12:07:20 +0100
committerKenneth Heafield <github@kheafield.com>2012-10-22 12:07:20 +0100
commit5f98fe5c4f2a2090eeb9d30c030305a70a8347d1 (patch)
tree9b6002f850e6dea1e3400c6b19bb31a9cdf3067f /utils/gamma_poisson.h
parentcf9994131993b40be62e90e213b1e11e6b550143 (diff)
parent21825a09d97c2e0afd20512f306fb25fed55e529 (diff)
Merge remote branch 'upstream/master'
Conflicts: Jamroot bjam decoder/Jamfile decoder/cdec.cc dpmert/Jamfile jam-files/sanity.jam klm/lm/Jamfile klm/util/Jamfile mira/Jamfile
Diffstat (limited to 'utils/gamma_poisson.h')
-rw-r--r--utils/gamma_poisson.h33
1 files changed, 0 insertions, 33 deletions
diff --git a/utils/gamma_poisson.h b/utils/gamma_poisson.h
deleted file mode 100644
index fec763f6..00000000
--- a/utils/gamma_poisson.h
+++ /dev/null
@@ -1,33 +0,0 @@
-#ifndef _GAMMA_POISSON_H_
-#define _GAMMA_POISSON_H_
-
-#include <m.h>
-
-// http://en.wikipedia.org/wiki/Conjugate_prior
-struct GammaPoisson {
- GammaPoisson(double shape, double rate) :
- a(shape), b(rate), n(), marginal() {}
-
- double prob(unsigned x) const {
- return exp(Md::log_negative_binom(x, a + marginal, 1.0 - (b + n) / (1 + b + n)));
- }
-
- void increment(unsigned x) {
- ++n;
- marginal += x;
- }
-
- void decrement(unsigned x) {
- --n;
- marginal -= x;
- }
-
- double log_likelihood() const {
- return 0;
- }
-
- double a, b;
- int n, marginal;
-};
-
-#endif