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author | Kenneth Heafield <github@kheafield.com> | 2012-10-22 12:07:20 +0100 |
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committer | Kenneth Heafield <github@kheafield.com> | 2012-10-22 12:07:20 +0100 |
commit | 5f98fe5c4f2a2090eeb9d30c030305a70a8347d1 (patch) | |
tree | 9b6002f850e6dea1e3400c6b19bb31a9cdf3067f /utils/gamma_poisson.h | |
parent | cf9994131993b40be62e90e213b1e11e6b550143 (diff) | |
parent | 21825a09d97c2e0afd20512f306fb25fed55e529 (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.h | 33 |
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 |