--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fastx_toolkit-0.0.6/src/fastx_collapser/std_hash.h	Thu Aug 14 04:52:17 2014 -0400
@@ -0,0 +1,64 @@
+/*
+    FASTX-toolkit - FASTA/FASTQ preprocessing tools.
+    Copyright (C) 2009  A. Gordon (gordon@cshl.edu)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation, either version 3 of the
+    License, or (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef __STD_HASH__
+#define __STD_HASH__
+
+
+/*
+ * Centralized place to load std::hash_map
+ *
+ * GCC needs the following hacks...
+ * Other compilers/systems might require different hacks
+ */
+
+#include <ext/hash_map>
+#include <ext/hash_set>
+
+namespace std
+{
+	using namespace __gnu_cxx;
+
+	struct std_string_hash
+	{                                                                                           
+		size_t operator()( const std::string& x ) const                                           
+		{                                                                                         
+			//printf("std_string_hash: hashing '%s'\n", x.c_str());
+			return hash< const char* >()( x.c_str() );                                              
+		}                                                                                         
+	};
+	
+	/*
+	 * 'eqstr' and 'hash_map' usage is based on http://www.sgi.com/tech/stl/hash_map.html
+	 */
+	struct eqstr
+	{
+		bool operator()(const char* s1, const char* s2) const
+		{
+			return strcmp(s1, s2) == 0;
+		}
+	};
+
+	typedef hash_map< const char*, int, hash< const char* >, eqstr > hash_map_charptr_to_int;
+
+	typedef hash_map< string, int, std_string_hash > hash_map_string_to_int;
+
+	typedef hash_set < string, std_string_hash > hash_set_string ;
+}
+
+#endif
+