cldouble.h

来自「用于词法分析的词法分析器」· C头文件 代码 · 共 26 行

/*
  $Id: CLDouble.h,v 1.3 1997/02/02 01:31:01 matt Exp $

  Command line double (float) option.

  For use by CommandLine class.
  */

#include <math.h>

#include "CommandLine.h"

class CLDouble : public CLOption
{
public:
   
  CLDouble (const char *_tag, double &_val) : CLOption (_tag), val (_val) {}

  virtual int nParams () const {return 1;}
  virtual int handle (char **args) {val = atof (*args); return 1;}

protected:

  double &val;
};