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Evaluator/Evaluator/Evaluator.h

+// -*- C++ -*-
+// $Id: Evaluator.h,v 1.1.1.1 2003/07/15 20:15:05 garren Exp $
+// ---------------------------------------------------------------------------
+
+#ifndef HEP_EVALUATOR_H
+#define HEP_EVALUATOR_H
+
+namespace HepTool {
+
+/**
+ * Evaluator of arithmetic expressions with an extendable dictionary.
+ * Example:
+ * @code
+ *   #include "CLHEP/Evaluator/Evaluator.h"
+ *   HepTool::Evaluator eval;
+ *   eval.setStdMath();
+ *   double res = eval.evaluate("sin(30*degree)");
+ *   if (eval.status() != HepTool::Evaluator::OK) eval.print_error();
+ * @endcode
+ *
+ * @author Evgeni Chernyaev <Evgueni.Tcherniaev@cern.ch>
+ * @ingroup evaluator
+ */
+class Evaluator {
+ public: 
+
+  /**
+   * List of possible statuses.
+   * Status of the last operation can be obtained with status().
+   * In case if status() is an ERROR the corresponding error message
+   * can be printed with print_error().
+   * 
+   * @see status
+   * @see error_position
+   * @see print_error
+   */
+  enum {
+    OK,                         /**< Everything OK */
+    WARNING_EXISTING_VARIABLE,  /**< Redefinition of existing variable */
+    WARNING_EXISTING_FUNCTION,  /**< Redefinition of existing function */
+    WARNING_BLANK_STRING,       /**< Empty input string */
+    ERROR_NOT_A_NAME,           /**< Not allowed sysmbol in the name of variable or function */
+    ERROR_SYNTAX_ERROR,         /**< Systax error */
+    ERROR_UNPAIRED_PARENTHESIS, /**< Unpaired parenthesis */
+    ERROR_UNEXPECTED_SYMBOL,    /**< Unexpected sysbol */
+    ERROR_UNKNOWN_VARIABLE,     /**< Non-existing variable */
+    ERROR_UNKNOWN_FUNCTION,     /**< Non-existing function */
+    ERROR_EMPTY_PARAMETER,      /**< Function call has empty parameter */
+    ERROR_CALCULATION_ERROR     /**< Error during calculation */
+  };
+
+  /**
+   * Constructor.
+   */
+  Evaluator();
+
+  /**
+   * Destructor.
+   */
+  ~Evaluator(); 
+
+  /**
+   * Evaluates the arithmetic expression given as character string. 
+   * The expression may consist of numbers, variables and functions
+   * separated by arithmetic (+, - , /, *, ^, **) and logical
+   * operators (==, !=, >, >=, <, <=, &&, ||).
+   *
+   * @param  expression input expression.
+   * @return result of the evaluation.
+   * @see status
+   * @see error_position
+   * @see print_error
+   */
+  double evaluate(const char * expression);
+
+  /**
+   * Returns status of the last operation with the evaluator.
+   */
+  int status() const;
+
+  /**
+   * Returns position in the input string where the problem occured.
+   */
+  int error_position() const; 
+
+  /**
+   * Prints error message if status() is an ERROR.
+   */
+  void print_error() const;
+
+  /**
+   * Adds to the dictionary a variable with given value. 
+   * If a variable with such a name already exist in the dictionary,
+   * then status will be set to WARNING_EXISTING_VARIABLE.
+   *
+   * @param name name of the variable.
+   * @param value value assigned to the variable.
+   */
+  void setVariable(const char * name, double value);
+
+  /**
+   * Adds to the dictionary a variable with an arithmetic expression
+   * assigned to it.
+   * If a variable with such a name already exist in the dictionary,
+   * then status will be set to WARNING_EXISTING_VARIABLE.
+   *
+   * @param name name of the variable.
+   * @param expression arithmetic expression.
+   */
+  void setVariable(const char * name, const char * expression);
+
+  /**
+   * Adds to the dictionary a function without parameters.
+   * If such a function already exist in the dictionary,
+   * then status will be set to WARNING_EXISTING_FUNCTION.
+   *
+   * @param name function name.
+   * @param fun pointer to the real function in the user code. 
+   */
+  void setFunction(const char * name, double (*fun)());
+
+  /**
+   * Adds to the dictionary a function with one parameter.
+   * If such a function already exist in the dictionary,
+   * then status will be set to WARNING_EXISTING_FUNCTION.
+   *
+   * @param name function name.
+   * @param fun pointer to the real function in the user code. 
+   */
+  void setFunction(const char * name, double (*fun)(double));
+
+  /**
+   * Adds to the dictionary a function with two parameters.
+   * If such a function already exist in the dictionary,
+   * then status will be set to WARNING_EXISTING_FUNCTION.
+   *
+   * @param name function name.
+   * @param fun pointer to the real function in the user code. 
+   */
+  void setFunction(const char * name, double (*fun)(double,double));
+
+  /**
+   * Adds to the dictionary a function with three parameters.
+   * If such a function already exist in the dictionary,
+   * then status will be set to WARNING_EXISTING_FUNCTION.
+   *
+   * @param name function name.
+   * @param fun pointer to the real function in the user code. 
+   */
+  void setFunction(const char * name, double (*fun)(double,double,double));
+
+  /**
+   * Adds to the dictionary a function with four parameters.
+   * If such a function already exist in the dictionary,
+   * then status will be set to WARNING_EXISTING_FUNCTION.
+   *
+   * @param name function name.
+   * @param fun pointer to the real function in the user code. 
+   */
+  void setFunction(const char * name,
+		   double (*fun)(double,double,double,double));
+
+  /**
+   * Adds to the dictionary a function with five parameters.
+   * If such a function already exist in the dictionary,
+   * then status will be set to WARNING_EXISTING_FUNCTION.
+   *
+   * @param name function name.
+   * @param fun pointer to the real function in the user code. 
+   */
+  void setFunction(const char * name,
+                   double (*fun)(double,double,double,double,double));
+
+  /**
+   * Finds the variable in the dictionary.
+   * 
+   * @param  name name of the variable.
+   * @return true if such a variable exists, false otherwise.
+   */
+  bool findVariable(const char * name) const;
+
+  /**
+   * Finds the function in the dictionary.
+   * 
+   * @param  name name of the function to be unset.
+   * @param  npar number of parameters of the function.  
+   * @return true if such a function exists, false otherwise.
+   */
+  bool findFunction(const char * name, int npar) const;
+
+  /**
+   * Removes the variable from the dictionary.
+   * 
+   * @param name name of the variable.
+   */
+  void removeVariable(const char * name);
+
+  /**
+   * Removes the function from the dictionary.
+   * 
+   * @param name name of the function to be unset.
+   * @param npar number of parameters of the function.  
+   */
+  void removeFunction(const char * name, int npar);
+
+  /**
+   * Clear all settings.
+   */
+  void clear();
+
+  /**
+   * Sets standard mathematical functions and constants.
+   */
+  void setStdMath();
+
+  /**
+   * Sets system of units. Default is the SI system of units.
+   * To set the CGS (Centimeter-Gram-Second) system of units
+   * one should call:
+   *   setSystemOfUnits(100., 1000., 1.0, 1.0, 1.0, 1.0, 1.0);
+   *
+   * To set system of units accepted in the GEANT4 simulation toolkit
+   * one should call:
+   * @code
+   *   setSystemOfUnits(1.e+3, 1./1.60217733e-25, 1.e+9, 1./1.60217733e-10,
+   *                    1.0, 1.0, 1.0);
+   * @endcode
+   *
+   * The basic units in GEANT4 are:
+   * @code
+   *   millimeter              (millimeter = 1.)
+   *   nanosecond              (nanosecond = 1.)
+   *   Mega electron Volt      (MeV        = 1.)
+   *   positron charge         (eplus      = 1.)
+   *   degree Kelvin           (kelvin     = 1.)
+   *   the amount of substance (mole       = 1.)
+   *   luminous intensity      (candela    = 1.)
+   *   radian                  (radian     = 1.)
+   *   steradian               (steradian  = 1.)
+   * @endcode
+   */
+  void setSystemOfUnits(double meter    = 1.0,
+                        double kilogram = 1.0,
+                        double second   = 1.0,
+                        double ampere   = 1.0,
+                        double kelvin   = 1.0,
+                        double mole     = 1.0,
+                        double candela  = 1.0);
+
+private: 
+  void * p;                                 // private data 
+  Evaluator(const Evaluator &);             // copy constructor is not allowed
+  Evaluator & operator=(const Evaluator &); // assignment is not allowed
+};
+
+} // namespace HepTool
+
+#endif /* HEP_EVALUATOR_H */

Evaluator/Evaluator/Makefile.am

+## Process this file with automake to produce Makefile.in
+
+pkginclude_HEADERS = \
+	Evaluator.h	\
+	defs.h

Evaluator/INSTALL

+#-------------------------------------------------------------
+#  installing from a source code tar ball
+#-------------------------------------------------------------
+
+Unwind the source code tar ball in some relevant directory.
+Autoconf and automake will aready have been run.  
+Determine where the files will be installed.
+Create a build directory that is NOT in the source code directory tree.
+
+cd <build_directory>
+<source_code_direcotry>/configure --prefix=<install_dir>
+   (Note that files will be installed under /usr/local if you do not 
+    specify a prefix.)
+make
+   (Build temporary copies of libraries and executables.)
+make check
+   (Run the tests.)
+make install
+   (Copy libraries, headers, executables, etc. to relevant 
+    subdirectories under <install_dir>.)
+
+#-------------------------------------------------------------
+# building from cvs
+#-------------------------------------------------------------
+
+You will need current versions of automake, autoconf, and libtool.
+See building autotools below.
+
+cvs co CLHEP/package OR cvs co package
+
+cd [CLHEP/]package
+bootstrap
+
+Now continue with directions as if you unpacked a source code tarball.
+
+#-------------------------------------------------------------
+# building autotools
+#-------------------------------------------------------------
+
+If you do not have at least autoconf 2.57 and automake 1.6, you will 
+need to build autoconf, automake, and libtool.  On some platforms, 
+you may also need to build m4 and texinfo.
+
+Download the relevant tarballs from gnu.org.
+Untar them in a common source code tree.
+Decide whether you want to install them in /usr/local or your own
+install directory.  If you use your own install directory, use
+
+        --prefix=<install_dir> 
+
+with configure.
+
+For each autotool package:
+
+     <source_code_dir>/configure [--prefix=<install_dir>]
+     make
+     make install
+
+Make sure that <install_dir>/bin is at the front of your path.
+
+#-------------------------------------------------------------

Evaluator/Makefile.am

+## Process this file with automake to produce Makefile.in
+
+includedir = $(prefix)/include/CLHEP
+
+# put . first so that CLHEP directory is built before anything else
+SUBDIRS = . Evaluator src
+
+all-local: $(top_builddir)/CLHEP
+
+$(top_builddir)/CLHEP:
+	$(top_srcdir)/makeCLHEPdir  $(top_srcdir)/..

Evaluator/autotools/.cvsignore

+config.sub
+config.guess
+depcomp
+install-sh
+missing
+mkinstalldirs

Evaluator/bootstrap

+#! /bin/sh
+
+# run autotool commands
+set -x
+aclocal -I autotools
+autoheader
+automake --add-missing --copy
+autoconf
+
+# ready to make a source code distribution tarball

Evaluator/buildLibraries

+#!/bin/sh
+
+# use this in the build directory, NOT in the source code tree
+
+usage()
+{
+    cat  <<EOF
+Usage: buildLibraries <CLHEP source code directory> <build directory> <install directory>
+All three directories must be specified and must be unique.
+Use the full path for all directory names.
+
+For example: buildLibraries /fullpath/CLHEP /fullpath/build /fullpath/inst
+
+EOF
+
+    exit $1
+}
+
+if test $# -lt 3; then
+    usage 1
+fi
+
+if [ ! -d $1 ] 
+then
+  echo "source directory $1 does not exist"
+  exit 2
+fi
+
+if [ ! -d $2 ] 
+then
+  echo "build directory $2 does not exist"
+  exit 3
+fi
+
+if [ ! -d $3 ] 
+then
+  echo "install directory $3 does not exist"
+  exit 4
+fi
+
+# create subdirectory in build area for each package
+if [ ! -d $2/Evaluator ] 
+then
+  mkdir $2/Evaluator
+fi
+cd $2/Evaluator
+
+# create temporary include subdirectory
+if [ ! -d CLHEP ] 
+then
+  mkdir CLHEP
+  for pkg in `ls $1`
+  do
+    if [ -d $1/$pkg/$pkg ] 
+    then
+       ln -s $1/$pkg/$pkg CLHEP/$pkg
+    fi
+  done
+fi
+
+$1/Evaluator/configure --prefix=$3 --includedir=$3/include/CLHEP > log.configure.$$ 2>&1
+
+make > log.make.$$ 2>&1
+if [ -d test ] 
+then
+  make check > log.check.$$ 2>&1
+fi
+make install > log.install.$$ 2>&1
+
+exit 0

Evaluator/configure.in

+# ======================================================================
+# This is the Evaluator configuration input file
+# Process this file with autoconf to produce a configure script.
+# ======================================================================
+
+
+# ----------------------------------------------------------------------
+# Identify the package and initialize the autotools:
+# ----------------------------------------------------------------------
+
+AC_PREREQ(2.57)
+AC_INIT(CLHEP Evaluator, toy1.9.0.0, CLHEP@cern.ch, Evaluator)
+AC_CONFIG_AUX_DIR(autotools)
+AC_CONFIG_SRCDIR([src/Evaluator.cc])
+AM_INIT_AUTOMAKE(1.6 foreign)
+AC_PROG_LIBTOOL
+
+
+# ----------------------------------------------------------------------
+# Identify the files that 'configure' is to produce:
+# ----------------------------------------------------------------------
+
+# Header containing #defines:
+AM_CONFIG_HEADER([Evaluator/defs.h])
+
+# Makefiles:
+AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([Evaluator/Makefile])
+AC_CONFIG_FILES([src/Makefile])
+
+
+# ----------------------------------------------------------------------
+# Capture post-install information:
+# ----------------------------------------------------------------------
+
+Evaluator_CPPFLAGS="-I$includedir"
+Evaluator_LDFLAGS="-L$libdir"
+Evaluator_LIBS="-l$PACKAGE_TARNAME -lm"
+
+AC_SUBST(Evaluator_CPPFLAGS)
+AC_SUBST(Evaluator_LIBS)
+AC_SUBST(Evaluator_LDFLAGS)
+
+
+# ----------------------------------------------------------------------
+# Supply boilerplate for Evaluator/defs.h source header:
+# ----------------------------------------------------------------------
+
+AH_TOP([#ifndef EVALUATOR_DEFS_H
+#define EVALUATOR_DEFS_H])
+
+AH_BOTTOM([#endif  // EVALUATOR_DEFS_H])
+
+
+# ----------------------------------------------------------------------
+# Account for any user configuration options:
+# ----------------------------------------------------------------------
+
+# Determine whether optional thread support is requested:
+AC_ARG_ENABLE(
+	threads,
+	[  --enable-threads    Turn on thread support],
+	[case "${enableval}" in
+	  yes) threads=true ;;
+	  no)  threads=false ;;
+	  *) AC_MSG_ERROR(bad value ${enableval} for --enable-threads) ;;
+	esac],
+	[threads=false]
+	)
+AM_CONDITIONAL(USE_THREADS, test x$threads = xtrue)
+
+
+# ----------------------------------------------------------------------
+# Check for needed programs:
+# ----------------------------------------------------------------------
+
+# Locate a C++ compiler:
+AC_PROG_CXX(aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC g++ c++ gpp)
+
+# Use it hereinafter:
+AC_LANG(C++)
+
+# Ensure we've found a preprocessor:
+AC_REQUIRE_CPP
+
+
+# ----------------------------------------------------------------------
+# Set system-dependent options:
+# ----------------------------------------------------------------------
+
+
+# ----------------------------------------------------------------------
+# Check for needed libraries:
+# ----------------------------------------------------------------------
+
+
+# ----------------------------------------------------------------------
+# Check for needed header files:
+# ----------------------------------------------------------------------
+
+AC_HEADER_STDC
+AC_CHECK_HEADERS([string.h])
+
+# ----------------------------------------------------------------------
+# Check for needed typedefs, structures, and compiler characteristics:
+# ----------------------------------------------------------------------
+
+AC_CHECK_DECL(M_PI,
+	[],
+	AC_DEFINE(M_PI, 3.14159265358979323846, [Value of pi]),
+	[#include <cmath>])
+
+AC_CHECK_DECL(M_PI_2,
+	[],
+	AC_DEFINE(M_PI_2, 1.57079632679489661923, [Value of pi/2]),
+	[#include <cmath>])
+
+AC_CHECK_DECL(M_2PI,
+	[],
+	AC_DEFINE(M_2PI, 6.28318530717958647692, [Value of 2*pi]),
+	[#include <cmath>])
+
+
+# ----------------------------------------------------------------------
+# Check for needed library functions:
+# ----------------------------------------------------------------------
+
+AC_FUNC_STRTOD
+AC_CHECK_FUNCS([pow sqrt])
+
+# ----------------------------------------------------------------------
+# Finish up:
+# ----------------------------------------------------------------------
+
+AC_OUTPUT
+
+
+# ======================================================================

Evaluator/makeCLHEPdir

+#!/bin/sh
+
+# create a temporary CLHEP include subdirectory
+# use this in the build directory, NOT in the source code tree
+
+# makeCLHEP <top of source>
+#  $1 is the CLHEP (or equivalent) source code direcotry
+#  e.g. for /fullpath/somedir/Vector, $1 is /fullpath/somedir
+
+
+# create temporary include subdirectory
+if [ ! -d CLHEP ] 
+then
+  mkdir CLHEP
+  for pkg in `ls $1`
+  do
+    if [ -d $1/$pkg/$pkg ] 
+    then
+       ln -s $1/$pkg/$pkg CLHEP/$pkg
+    fi
+  done
+fi
+

Evaluator/src/Makefile.am

+## Process this file with automake to produce Makefile.in
+
+
+INCLUDES = -I$(top_builddir)
+
+
+lib_LTLIBRARIES = libEvaluator-@VERSION@.la
+
+libEvaluator_@VERSION@_la_SOURCES = \
+	Evaluator.cc	       \
+	setStdMath.cc	      \
+	setSystemOfUnits.cc

Evaluator/src/hash_map.src

+// -*- C++ -*-
+// $Id: hash_map.src,v 1.1.1.1 2003/07/15 20:15:05 garren Exp $
+// ---------------------------------------------------------------------------
+
+#ifdef DEBUG_MODE
+#include <iostream>
+#endif
+
+#ifndef HEP_HASH_MAP_SRC
+#define HEP_HASH_MAP_SRC
+
+#include <string.h>
+#include <utility>
+#include "string.src"
+
+/*
+ * Simplified hash_map class.
+ * It provides only basic functions of the standard <hash_map> and
+ * is intended to be used as a replacement of the standard class where
+ * full functionality of <hash_map> is not required, but it is essential
+ * to have highly portable and effective code.
+ *
+ * This file should be used exclusively inside *.cc files.
+ * Usage inside header files can result to a clash with standard <hash_map>.
+ *
+ * @author Evgeni Chernyaev  <Evgueni.Tcherniaev@cern.ch>