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cdef extern from "Python.h":
############################################################################
# 7.2.3
############################################################################
# PyFloatObject
#
# This subtype of PyObject represents a Python floating point object.
# PyTypeObject PyFloat_Type
#
# This instance of PyTypeObject represents the Python floating
# point type. This is the same object as float and
# types.FloatType.
bint PyFloat_Check(object p)
# Return true if its argument is a PyFloatObject or a subtype of
# PyFloatObject.
bint PyFloat_CheckExact(object p)
# Return true if its argument is a PyFloatObject, but not a
# subtype of PyFloatObject.
object PyFloat_FromString(object str, char **pend)
# Return value: New reference.
# Create a PyFloatObject object based on the string value in str,
# or NULL on failure. The pend argument is ignored. It remains
# only for backward compatibility.
object PyFloat_FromDouble(double v)
# Return value: New reference.
# Create a PyFloatObject object from v, or NULL on failure.
double PyFloat_AsDouble(object pyfloat) except? -1
# Return a C double representation of the contents of pyfloat.
double PyFloat_AS_DOUBLE(object pyfloat)
# Return a C double representation of the contents of pyfloat, but
# without error checking.
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