From a38b3fa383412e56eb958db998662c026bc08f4b Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Fri, 17 Feb 2012 13:01:54 -0500
Subject: boost version checking, check for Eigen, get rid of old digamma stuff

---
 training/em_utils.h | 24 ------------------------
 1 file changed, 24 deletions(-)
 delete mode 100644 training/em_utils.h

(limited to 'training/em_utils.h')

diff --git a/training/em_utils.h b/training/em_utils.h
deleted file mode 100644
index 37762978..00000000
--- a/training/em_utils.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef _EM_UTILS_H_
-#define _EM_UTILS_H_
-
-#include "config.h"
-#ifdef HAVE_BOOST_DIGAMMA
-#include <boost/math/special_functions/digamma.hpp>
-using boost::math::digamma;
-#else
-#warning Using Mark Johnsons digamma()
-#include <cmath>
-inline double digamma(double x) {
-  double result = 0, xx, xx2, xx4;
-  assert(x > 0);
-  for ( ; x < 7; ++x)
-    result -= 1/x;
-  x -= 1.0/2.0;
-  xx = 1.0/x;
-  xx2 = xx*xx;
-  xx4 = xx2*xx2;
-  result += log(x)+(1./24.)*xx2-(7.0/960.0)*xx4+(31.0/8064.0)*xx4*xx2-(127.0/30720.0)*xx4*xx4;
-  return result;
-}
-#endif
-#endif
-- 
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