/home/coin/SVN-release/CoinAll-1.1.0/OS/src/OSUtils/OSMathUtil.h

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#ifndef MATHUTIL_H
#define MATHUTIL_H
 
#include "OSParameters.h"
#include "OSdtoa.h"
#include "OSErrorClass.h"


#include <sstream>  
#include<string>


#ifdef __cplusplus
extern "C" std::string os_dtoa_format(double  x);
extern "C" double os_strtod_wrap(const char *str,   char **strEnd);
#else
#ifdef __STDC__
std::string os_dtoa_format(double  x);
double os_strtod_wrap(const char *str,  char **strEnd);
#endif
#endif 


using std::ostringstream; 

class MathUtil{
        public:

        MathUtil();
        
        ~MathUtil();
        
        /*public static double round (double x, int precision){
                double mask = 0.0, y, result;           
                try{
                        mask = Math.pow (10.0, -(double)precision);
                }
                catch(ArithmeticException e){
                        return x;
                }
                y  = mod(x, mask);
                result  = x - y;
                if (y / mask >= 0.5) result += mask;
                return result;
        }//round
        */
        /*public static double mod (double x, double y){
                return  x - Math.floor(x / y) * y;
        }//mod
        */
        static SparseMatrix* convertLinearConstraintCoefficientMatrixToTheOtherMajor(
                        bool isColumnMajor, int startSize, int valueSize, int* start, int* index, 
                        double* value, int dimension);
        
        std::string format_os_dtoa( double x);
        
        
        //double os_strtod_wrap(const char *str) throw(ErrorClass);
        
        //double os_strtod_wrap(const char *str,  const char *strEnd) throw(ErrorClass);
                        
};//class MathUtil
#endif

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