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1b2611eb02
Building Python now requires support for floating point Not-a-Number (NaN): remove the Py_NO_NAN macro.
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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/* Float object interface */
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/*
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PyFloatObject represents a (double precision) floating point number.
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*/
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#ifndef Py_FLOATOBJECT_H
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#define Py_FLOATOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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PyAPI_DATA(PyTypeObject) PyFloat_Type;
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#define PyFloat_Check(op) PyObject_TypeCheck(op, &PyFloat_Type)
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#define PyFloat_CheckExact(op) Py_IS_TYPE(op, &PyFloat_Type)
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#define Py_RETURN_NAN return PyFloat_FromDouble(Py_NAN)
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#define Py_RETURN_INF(sign) \
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do { \
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if (copysign(1., sign) == 1.) { \
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return PyFloat_FromDouble(Py_HUGE_VAL); \
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} \
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else { \
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return PyFloat_FromDouble(-Py_HUGE_VAL); \
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} \
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} while(0)
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PyAPI_FUNC(double) PyFloat_GetMax(void);
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PyAPI_FUNC(double) PyFloat_GetMin(void);
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PyAPI_FUNC(PyObject*) PyFloat_GetInfo(void);
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/* Return Python float from string PyObject. */
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PyAPI_FUNC(PyObject*) PyFloat_FromString(PyObject*);
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/* Return Python float from C double. */
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PyAPI_FUNC(PyObject*) PyFloat_FromDouble(double);
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/* Extract C double from Python float. The macro version trades safety for
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speed. */
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PyAPI_FUNC(double) PyFloat_AsDouble(PyObject*);
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#ifndef Py_LIMITED_API
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# define Py_CPYTHON_FLOATOBJECT_H
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# include "cpython/floatobject.h"
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# undef Py_CPYTHON_FLOATOBJECT_H
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_FLOATOBJECT_H */
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