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orange / source / orange / numeric_interface.hpp

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#ifndef __NUMERIC_INTERFACE
#define __NUMERIC_INTERFACE

#include "Python.h"

#ifdef _MSC_VER
  /* easier to do some ifdefing here than needing to define a special
     include in every project that includes this header */
  #include "../lib/site-packages/numpy/core/include/numpy/arrayobject.h"
#else
  #include <numpy/arrayobject.h>
#endif

extern PyObject *moduleNumeric, *moduleNumarray, *moduleNumpy;
extern PyTypeObject *PyNumericArrayType, *PyNumarrayArrayType, *PyNumpyArrayType;
extern PyObject *numericMaskedArray, *numarrayMaskedArray, *numpyMaskedArray;


extern bool importarray_called;

bool isSomeNumeric(PyObject *);
bool isSomeMaskedNumeric(PyObject *);

// avoids unnecessarily importing the numeric modules
bool isSomeNumeric_wPrecheck(PyObject *args);
bool isSomeMaskedNumeric_wPrecheck(PyObject *);


void initializeNumTypes();
  
char getArrayType(PyObject *);
  
inline char getArrayType(PyArrayObject *args)
{ return getArrayType((PyObject *)(args)); }
  
inline void prepareNumeric()
{ if (!importarray_called)
    initializeNumTypes();
}

void numericToDouble(PyObject *num, double *&table, int &columns, int &rows);
void numericToDouble(PyObject *num, double *&table, int &rows);

static char supportedNumericTypes[] = "bBhHiIlLfdc";

#endif // __NUMERIC_INTERFACE