clean up

8 files changed, 35 insertions, 24 deletions

diff --git a/utils/array2d.h b/utils/array2d.h
index e63eda0d..ee2600d2 100644
--- a/utils/array2d.h
+++ b/utils/array2d.h
@@ -155,7 +155,7 @@ inline std::ostream& operator<<(std::ostream& os, const Array2D<std::vector<bool
     os << (i%10);
     for (int j=0; j<m.height(); ++j) {
       const std::vector<bool>& ar = m(i,j);
-      for (int k=0; k<ar.size(); ++k)
+      for (unsigned k=0; k<ar.size(); ++k)
         os << (ar[k] ? '*' : '.');
     }
     os << "\t";
diff --git a/utils/fast_sparse_vector.h b/utils/fast_sparse_vector.h
index 68caa704..3cc48f8e 100644
--- a/utils/fast_sparse_vector.h
+++ b/utils/fast_sparse_vector.h
@@ -14,7 +14,9 @@
 #include <cassert>
 #include <vector>
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #include <boost/static_assert.hpp>
 #if HAVE_BOOST_ARCHIVE_TEXT_OARCHIVE_HPP
@@ -323,7 +325,7 @@ class FastSparseVector {
     std::memcpy(&data_, t, sizeof(data_));
   }
  private:
-  static inline T& extend_vector(std::vector<T> &v,int i) {
+  static inline T& extend_vector(std::vector<T> &v,size_t i) {
     if (i>=v.size())
       v.resize(i+1);
     return v[i];
diff --git a/utils/fdict.h b/utils/fdict.h
index 0a2a9456..71547d2e 100644
--- a/utils/fdict.h
+++ b/utils/fdict.h
@@ -1,7 +1,9 @@
 #ifndef _FDICT_H_
 #define _FDICT_H_
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #include <iostream>
 #include <string>
diff --git a/utils/hash.h b/utils/hash.h
index 2290bc34..31457430 100644
--- a/utils/hash.h
+++ b/utils/hash.h
@@ -5,7 +5,10 @@
 
 #include "murmur_hash.h"
 
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
+
 #ifdef HAVE_SPARSEHASH
 # include <google/dense_hash_map>
 # include <google/dense_hash_set>
@@ -130,8 +133,7 @@ bool maybe_add(H &ht,K const& k,typename H::mapped_type const& v) {
 // ht[k] must not exist (yet)
 template <class H,class K>
 void add(H &ht,K const& k,typename H::mapped_type const& v) {
-  bool fresh=maybe_add(ht,k,v);
-  assert(fresh);
+  maybe_add(ht,k,v);
 }
 
 
diff --git a/utils/perfect_hash.h b/utils/perfect_hash.h
index 8ac11f18..29ea48a9 100644
--- a/utils/perfect_hash.h
+++ b/utils/perfect_hash.h
@@ -1,15 +1,16 @@
 #ifndef _PERFECT_HASH_MAP_H_
 #define _PERFECT_HASH_MAP_H_
 
-#include "config.h"
+#include <vector>
+#include <boost/utility.hpp>
 
-#ifndef HAVE_CMPH
-#error libcmph is required to use PerfectHashFunction
+#ifdef HAVE_CONFIG_H
+#include "config.h"
 #endif
 
-#include <vector>
-#include <boost/utility.hpp>
+#ifdef HAVE_CMPH
 #include "cmph.h"
+#endif
 
 class PerfectHashFunction : boost::noncopyable {
  public:
@@ -18,7 +19,9 @@ class PerfectHashFunction : boost::noncopyable {
   size_t operator()(const std::string& key) const;
   size_t number_of_keys() const;
  private:
+#ifdef HAVE_CMPH
   cmph_t *mphf_;
+#endif
 };
 
 #endif
diff --git a/utils/phmt.cc b/utils/phmt.cc
index 48d9f093..b17febf6 100644
--- a/utils/phmt.cc
+++ b/utils/phmt.cc
@@ -1,4 +1,6 @@
+#ifdef HAVE_CONFIG_H
 #include "config.h"
+#endif
 
 #ifndef HAVE_CMPH
 int main() {
diff --git a/utils/small_vector.h b/utils/small_vector.h
index b65c3b38..d04d1352 100644
--- a/utils/small_vector.h
+++ b/utils/small_vector.h
@@ -50,16 +50,16 @@ class SmallVector {
   explicit SmallVector(size_t s) {
     Alloc(s);
     if (s <= SV_MAX) {
-      for (int i = 0; i < s; ++i) new(&data_.vals[i]) T();
+      for (unsigned i = 0; i < s; ++i) new(&data_.vals[i]) T();
     } //TODO: if alloc were raw space, construct here.
   }
 
   SmallVector(size_t s, T const& v) {
     Alloc(s);
     if (s <= SV_MAX) {
-      for (int i = 0; i < s; ++i) data_.vals[i] = v;
+      for (unsigned i = 0; i < s; ++i) data_.vals[i] = v;
     } else {
-      for (int i = 0; i < size_; ++i) data_.ptr[i] = v;
+      for (unsigned i = 0; i < size_; ++i) data_.ptr[i] = v;
     }
   }
 
@@ -69,9 +69,9 @@ class SmallVector {
     int s=end-begin;
     Alloc(s);
     if (s <= SV_MAX) {
-      for (int i = 0; i < s; ++i,++begin) data_.vals[i] = *begin;
+      for (unsigned i = 0; i < s; ++i,++begin) data_.vals[i] = *begin;
     } else
-      for (int i = 0; i < s; ++i,++begin) data_.ptr[i] = *begin;
+      for (unsigned i = 0; i < s; ++i,++begin) data_.ptr[i] = *begin;
   }
 
   SmallVector(const Self& o) : size_(o.size_) {
@@ -106,7 +106,7 @@ class SmallVector {
     if (size_ <= SV_MAX) {
       if (o.size_ <= SV_MAX) {
         size_ = o.size_;
-        for (int i = 0; i < SV_MAX; ++i) data_.vals[i] = o.data_.vals[i];
+        for (unsigned i = 0; i < SV_MAX; ++i) data_.vals[i] = o.data_.vals[i];
       } else {
         capacity_ = size_ = o.size_;
         data_.ptr = new T[capacity_];
@@ -116,7 +116,7 @@ class SmallVector {
       if (o.size_ <= SV_MAX) {
         delete[] data_.ptr;
         size_ = o.size_;
-        for (int i = 0; i < size_; ++i) data_.vals[i] = o.data_.vals[i];
+        for (unsigned i = 0; i < size_; ++i) data_.vals[i] = o.data_.vals[i];
       } else {
         if (capacity_ < o.size_) {
           delete[] data_.ptr;
@@ -124,7 +124,7 @@ class SmallVector {
           data_.ptr = new T[capacity_];
         }
         size_ = o.size_;
-        for (int i = 0; i < size_; ++i)
+        for (unsigned i = 0; i < size_; ++i)
           data_.ptr[i] = o.data_.ptr[i];
       }
     }
@@ -135,7 +135,7 @@ class SmallVector {
     if (size_ <= SV_MAX) {
       // skip if pod?  yes, we required pod anyway.  no need to destruct
 #if !SMALL_VECTOR_POD
-      for (int i=0;i<size_;++i) data_.vals[i].~T();
+      for (unsigned i=0;i<size_;++i) data_.vals[i].~T();
 #endif
     } else
       delete[] data_.ptr;
@@ -166,13 +166,13 @@ private:
   inline void copy_vals_to_ptr() {
     capacity_ = SV_MAX * 2;
     T* tmp = new T[capacity_];
-    for (int i = 0; i < SV_MAX; ++i) tmp[i] = data_.vals[i];
+    for (unsigned i = 0; i < SV_MAX; ++i) tmp[i] = data_.vals[i];
     data_.ptr = tmp;
   }
   inline void ptr_to_small() {
     assert(size_<=SV_MAX);
     int *tmp=data_.ptr;
-    for (int i=0;i<size_;++i)
+    for (unsigned i=0;i<size_;++i)
       data_.vals[i]=tmp[i];
     delete[] tmp;
   }
@@ -224,7 +224,7 @@ public:
     if (s <= SV_MAX) {
       if (size_ > SV_MAX) {
         T *tmp=data_.ptr;
-        for (int i = 0; i < s; ++i) data_.vals[i] = tmp[i];
+        for (unsigned i = 0; i < s; ++i) data_.vals[i] = tmp[i];
         delete[] tmp;
         size_ = s;
         return;
@@ -233,7 +233,7 @@ public:
         size_ = s;
         return;
       } else {
-        for (int i = size_; i < s; ++i)
+        for (unsigned i = size_; i < s; ++i)
           data_.vals[i] = v;
         size_ = s;
         return;
@@ -244,7 +244,7 @@ public:
       if (s > capacity_)
         ensure_capacity(s);
       if (s > size_) {
-        for (int i = size_; i < s; ++i)
+        for (unsigned i = size_; i < s; ++i)
           data_.ptr[i] = v;
       }
       size_ = s;
diff --git a/utils/sparse_vector.cc b/utils/sparse_vector.cc
index 24da5f39..27bb88dd 100644
--- a/utils/sparse_vector.cc
+++ b/utils/sparse_vector.cc
@@ -23,7 +23,7 @@ void Encode(double objective, const SparseVector<double>& v, ostream* out) {
   for (const_iterator it = v.begin(); it != v.end(); ++it)
     tot_size += FD::Convert(it->first).size();   // feature names;
   tot_size += sizeof(double) * num_feats;        // gradient
-  const size_t off_magic = tot_size;
+  const size_t off_magic = tot_size; (void) off_magic;
   tot_size += 4;                                 // magic
 
   // size_t b64_size = tot_size * 4 / 3;