From 15170746be2fc718e8fb026b4468e33cf0c63170 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Sun, 4 Mar 2012 21:41:07 -0500
Subject: clean up crp

---
 utils/Makefile.am |  2 +-
 utils/ccrp.h      | 10 +++++-----
 utils/fdict.h     |  6 ++++--
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/utils/Makefile.am b/utils/Makefile.am
index 5153ae20..3ea21835 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -51,7 +51,7 @@ mfcr_test_SOURCES = mfcr_test.cc
 mfcr_test_LDADD = $(GTEST_LDFLAGS) $(GTEST_LIBS)
 weights_test_SOURCES = weights_test.cc
 weights_test_LDADD = $(GTEST_LDFLAGS) $(GTEST_LIBS)
-crp_test_SOURCES = weights_test.cc
+crp_test_SOURCES = crp_test.cc
 crp_test_LDADD = $(GTEST_LDFLAGS) $(GTEST_LIBS)
 logval_test_SOURCES = logval_test.cc
 logval_test_LDADD = $(GTEST_LDFLAGS) $(GTEST_LIBS)
diff --git a/utils/ccrp.h b/utils/ccrp.h
index 61ab5576..68769635 100644
--- a/utils/ccrp.h
+++ b/utils/ccrp.h
@@ -242,10 +242,10 @@ class CCRP {
   void resample_hyperparameters(MT19937* rng, const unsigned nloop = 5, const unsigned niterations = 10) {
     assert(has_discount_prior() || has_alpha_prior());
     DiscountResampler dr(*this);
-    ConcentrationResampler cr(*this);
+    StrengthResampler sr(*this);
     for (int iter = 0; iter < nloop; ++iter) {
       if (has_alpha_prior()) {
-        alpha_ = slice_sampler1d(cr, alpha_, *rng, 0.0,
+        alpha_ = slice_sampler1d(sr, alpha_, *rng, 0.0,
                                std::numeric_limits<double>::infinity(), 0.0, niterations, 100*niterations);
       }
       if (has_discount_prior()) {
@@ -253,7 +253,7 @@ class CCRP {
                                1.0, 0.0, niterations, 100*niterations);
       }
     }
-    alpha_ = slice_sampler1d(cr, alpha_, *rng, 0.0,
+    alpha_ = slice_sampler1d(sr, alpha_, *rng, 0.0,
                              std::numeric_limits<double>::infinity(), 0.0, niterations, 100*niterations);
   }
 
@@ -265,8 +265,8 @@ class CCRP {
     }
   };
 
-  struct ConcentrationResampler {
-    ConcentrationResampler(const CCRP& crp) : crp_(crp) {}
+  struct StrengthResampler {
+    StrengthResampler(const CCRP& crp) : crp_(crp) {}
     const CCRP& crp_;
     double operator()(const double& proposed_alpha) const {
       return crp_.log_crp_prob(crp_.discount_, proposed_alpha);
diff --git a/utils/fdict.h b/utils/fdict.h
index f0871b9a..0a2a9456 100644
--- a/utils/fdict.h
+++ b/utils/fdict.h
@@ -10,7 +10,7 @@
 
 #ifdef HAVE_CMPH
 #include "perfect_hash.h"
-#include "string_to.h"
+#include <sstream>
 #endif
 
 struct FD {
@@ -49,7 +49,9 @@ struct FD {
 #ifdef HAVE_CMPH
     if (hash_) {
       static std::string tls;
-      tls = to_string(w);
+      std::ostringstream os;
+      os << w;
+      tls = os.str();
       return tls;
     }
 #endif
-- 
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