SoArithmetic.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#if !defined SOARITHMETIC_H
#define SOARITHMETIC_H
 
#include <Inventor/SbDataType.h>
#include <Inventor/SbLinear.h>
 
#include <Inventor/algorithms/SoAlgorithmsDefs.h>
 
class SoBufferObject;
class SoCpuBufferObject;
 
class   SoArithmetic
{
private:
  virtual ~SoArithmetic();
 
  static void initClass();
 
  static void exitClass();
 
public:
  SoArithmetic();
 
  virtual int add( SoBufferObject* inputBufferA, const SbDataType typeA,
                   SoBufferObject* inputBufferB, const SbDataType typeB,
                   SoBufferObject* outputBufferC, const SbDataType typeC );
  int add(
    SoCpuBufferObject* inputBufferA, const SbDataType typeA,
    SoCpuBufferObject* inputBufferB, const SbDataType typeB,
    SoCpuBufferObject* outputBufferC, const SbDataType typeC
    );
 
 
  virtual int mult(
    SoBufferObject* inputBufferA, const SbDataType typeA,
    SoBufferObject* inputBufferB, const SbDataType typeB,
    SoBufferObject* outputBufferC, const SbDataType typeC
    );
 
  int mult(
    SoCpuBufferObject* inputBufferA, const SbDataType typeA,
    SoCpuBufferObject* inputBufferB, const SbDataType typeB,
    SoCpuBufferObject* outputBufferC, const SbDataType typeC
    );
 
  virtual int scale(
    SoBufferObject* inputBufferA, const SbDataType typeA,
    SoBufferObject* outputBufferB, const SbDataType typeB,
    const float scaleValue
    );
 
  int scale(
    SoCpuBufferObject* inputBufferA, const SbDataType typeA,
    SoCpuBufferObject* outputBufferB, const SbDataType typeB,
    const float scaleValue
    );
 
  virtual int shift(
    SoBufferObject* inputBufferA, const SbDataType typeA,
    SoBufferObject* outputBufferB, const SbDataType typeB,
    const float shiftFactor
    );
 
  int shift(
    SoCpuBufferObject* inputBufferA, const SbDataType typeA,
    SoCpuBufferObject* outputBufferB, const SbDataType typeB,
    const float shiftFactor
    );
 
  virtual int madd(
    SoBufferObject* inputBufferA, const SbDataType typeA,
    SoBufferObject* inputBufferB, const SbDataType typeB,
    SoBufferObject* outputBufferC, const SbDataType typeC,
    const float scaleValue
    );
 
  int madd(
    SoCpuBufferObject* inputBufferA, const SbDataType typeA,
    SoCpuBufferObject* inputBufferB, const SbDataType typeB,
    SoCpuBufferObject* outputBufferC, const SbDataType typeC,
    const float scaleValue
    );
 
  virtual void computeMinMax(
    SoBufferObject* inputBuffer, const SbDataType dataType,
    double& min, double& max
    );
 
  virtual void computeMinMax(
    SoBufferObject* inputBuffer, const SbDataType dataType,
    const SbVec3i32& arrayDim, const SbBox3i32& range, 
    double& min, double& max
    );
    
  void computeMinMax(
    SoCpuBufferObject* inputBuffer, const SbDataType dataType,
    const SbVec3i32& arrayDim, const SbBox3i32& range, 
    double& min, double& max
    );
 
  virtual void computeMinMaxWithUndefinedValue(
    SoBufferObject* inputBuffer, const SbDataType dataType, const double undefinedValue,
    double& min, double& max
    );
 
  virtual void computeMinMaxWithUndefinedValue(
    SoBufferObject* inputBuffer, const SbDataType dataType,
    const SbVec3i32& arrayDim, const SbBox3i32& range, const double undefinedValue,
    double& min, double& max
    );
    
  void computeMinMaxWithUndefinedValue(
    SoCpuBufferObject* inputBuffer, const SbDataType dataType,
    const SbVec3i32& arrayDim, const SbBox3i32& range, const double undefinedValue,
    double& min, double& max
    );
 
private:
  template<typename T>
  void computeMinMaxTemplate(
    SoCpuBufferObject* inputBuffer, 
    const SbVec3i32& arrayDim, 
    const SbBox3i32& range, 
    double& min, double& max);
 
  template<typename T>
  void computeMinMaxWithUndefinedValueTemplate(
    SoCpuBufferObject* inputBuffer, 
    const SbVec3i32& arrayDim, 
    const SbBox3i32& range,
    const double undefinedValue,
    double& min, double& max);
 
};
 
#endif // SOARITHMETIC_H