LinearConversion.h

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#ifndef SiPixelObjects_LinearConversion_H
#define SiPixelObjects_LinearConversion_H

namespace sipixelobjects {

  class LinearConversion {
  public:
    LinearConversion(int offset = 0, int slope = 1) : theOffset(offset), theSlope(slope) {}
    int convert(int item) const { return theOffset + theSlope * item; }
    int inverse(int item) const { return (item - theOffset) / theSlope; }
    int offset() const { return theOffset; }
    int slope() const { return theSlope; }

  private:
    int theOffset, theSlope;
  };

}  // namespace sipixelobjects
#endif