C++ Mathematical Expression Library (ExprTk) http://www.partow.net/programming/exprtk/index.html

Makefile

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+#
+# **************************************************************
+# *         C++ Mathematical Expression Toolkit Library        *
+# *                                                            *
+# * Author: Arash Partow (1999-2012)                           *
+# * URL: http://www.partow.net/programming/exprtk/index.html   *
+# *                                                            *
+# * Copyright notice:                                          *
+# * Free use of the Mathematical Expression Toolkit Library is *
+# * permitted under the guidelines and in accordance with the  *
+# * most current version of the Common Public License.         *
+# * http://www.opensource.org/licenses/cpl1.0.php              *
+# *                                                            *
+# **************************************************************
+#
+
+
+COMPILER         = -c++
+#COMPILER        = -clang
+OPTIMIZATION_OPT = -O1
+BASE_OPTIONS     = -ansi -pedantic-errors -Wall -Wextra -Werror -Wno-long-long
+OPTIONS          = $(BASE_OPTIONS) $(OPTIMIZATION_OPT) -o
+LINKER_OPT       = -L/usr/lib -lstdc++
+
+BUILD_LIST+=exprtk_test
+
+all: $(BUILD_LIST)
+
+exprtk_test: exprtk_test.cpp exprtk.hpp
+	$(COMPILER) $(OPTIONS) exprtk_test exprtk_test.cpp $(LINKER_OPT)
+
+
+pgo: exprtk_test.cpp exprtk.hpp
+	$(COMPILER) $(BASE_OPTIONS) -O3 -march=native -fprofile-generate -o exprtk_test exprtk_test.cpp $(LINKER_OPT)
+
+strip_bin:
+	strip -s exprtk_test
+
+valgrind_check:
+	valgrind --leak-check=full --show-reachable=yes --track-origins=yes ./exprtk_test
+
+clean:
+	rm -f core.* *~ *.o *.bak *stackdump gmon.out *.gcda *.gcno *.gcnor *.gch

readme.txt

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+C++ Mathematical Expression Toolkit Library
+
+[INTRODUCTION]
+The C++ Mathematical Expression Library  (ExprTk) is a simple to  use,
+easy  to  integrate and  extremely  efficient mathematical  expression
+parsing and  evaluation engine.  The parsing  engine supports  various
+kinds of  functional, logic  processing semantics  and is  very easily
+extendible.
+
+
+[COPYRIGHT NOTICE]
+Free use of the  Mathematical Expression Toolkit Library  is permitted
+under the guidelines and in  accordance with the most current  version
+of the Common Public License.
+
+http://www.opensource.org/licenses/cpl1.0.php
+
+
+[DOWNLOADS & UPDATES]
+All  updates  and  the most  recent version  of the  C++ Mathematical
+Expression Library can be found at:
+(1) http://www.partow.net/programming/exprtk/index.html
+
+
+[INSTALLATION]
+(1) exprtk.hpp should be  placed in  a project or system include path
+(e.g: /usr/include/).
+
+
+[COMPILATION]
+(1) For a complete build: make clean all
+(2) For a PGO build: make clean pgo
+(3) To strip executables: make strip_bin
+
+
+[COMPILER COMPATIBILITY]
+(*) GNU Compiler Collection (4.3+)
+(*) Intel® C++ Compiler (9.x+)
+(*) Clang/LLVM (1.1+)
+(*) Microsoft Visual Studio C++ Compiler (8.1+)
+(*) Comeau C++ Compiler (4.3+)
+
+
+[FILES]
+(00) Makefile
+(01) readme.txt
+(02) exprtk.hpp
+(03) exprtk_test.cpp