1  #ifndef Py_CPYTHON_FLOATOBJECT_H
       2  #  error "this header file must not be included directly"
       3  #endif
       4  
       5  typedef struct {
       6      PyObject_HEAD
       7      double ob_fval;
       8  } PyFloatObject;
       9  
      10  #define _PyFloat_CAST(op) \
      11      (assert(PyFloat_Check(op)), _Py_CAST(PyFloatObject*, op))
      12  
      13  // Static inline version of PyFloat_AsDouble() trading safety for speed.
      14  // It doesn't check if op is a double object.
      15  static inline double PyFloat_AS_DOUBLE(PyObject *op) {
      16      return _PyFloat_CAST(op)->ob_fval;
      17  }
      18  #define PyFloat_AS_DOUBLE(op) PyFloat_AS_DOUBLE(_PyObject_CAST(op))
      19  
      20  
      21  PyAPI_FUNC(int) PyFloat_Pack2(double x, char *p, int le);
      22  PyAPI_FUNC(int) PyFloat_Pack4(double x, char *p, int le);
      23  PyAPI_FUNC(int) PyFloat_Pack8(double x, char *p, int le);
      24  
      25  PyAPI_FUNC(double) PyFloat_Unpack2(const char *p, int le);
      26  PyAPI_FUNC(double) PyFloat_Unpack4(const char *p, int le);
      27  PyAPI_FUNC(double) PyFloat_Unpack8(const char *p, int le);