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floatobject.h
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54 lines (41 loc) · 1.5 KB
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/* Float object interface */
/*
PyFloatObject represents a (double precision) floating-point number.
*/
#ifndef Py_FLOATOBJECT_H
#define Py_FLOATOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
PyAPI_DATA(PyTypeObject) PyFloat_Type;
#define PyFloat_Check(op) PyObject_TypeCheck(op, &PyFloat_Type)
#define PyFloat_CheckExact(op) Py_IS_TYPE((op), &PyFloat_Type)
#define Py_RETURN_NAN return PyFloat_FromDouble(Py_NAN)
#define Py_RETURN_INF(sign) \
do { \
if (copysign(1., sign) == 1.) { \
return PyFloat_FromDouble(Py_INFINITY); \
} \
else { \
return PyFloat_FromDouble(-Py_INFINITY); \
} \
} while(0)
PyAPI_FUNC(double) PyFloat_GetMax(void);
PyAPI_FUNC(double) PyFloat_GetMin(void);
PyAPI_FUNC(PyObject*) PyFloat_GetInfo(void);
/* Return Python float from string PyObject. */
PyAPI_FUNC(PyObject*) PyFloat_FromString(PyObject*);
/* Return Python float from C double. */
PyAPI_FUNC(PyObject*) PyFloat_FromDouble(double);
/* Extract C double from Python float. The macro version trades safety for
speed. */
PyAPI_FUNC(double) PyFloat_AsDouble(PyObject*);
#ifndef Py_LIMITED_API
# define Py_CPYTHON_FLOATOBJECT_H
# include "cpython/floatobject.h"
# undef Py_CPYTHON_FLOATOBJECT_H
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_FLOATOBJECT_H */