pythongh-112019: reversion of removal _Py_c_* functions in python#106339

Author: skirpichev

Include/cpython/complexobject.h

@@ -7,6 +7,16 @@ typedef struct {
     double imag;
 } Py_complex;
 
+/* Operations on complex numbers from complexmodule.c */
+
+PyAPI_FUNC(Py_complex) _Py_c_sum(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_diff(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_neg(Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_prod(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_quot(Py_complex, Py_complex);
+PyAPI_FUNC(Py_complex) _Py_c_pow(Py_complex, Py_complex);
+PyAPI_FUNC(double) _Py_c_abs(Py_complex);
+
 /* Complex object interface */
 
 /*

Include/internal/pycore_complexobject.h

@@ -10,16 +10,6 @@ extern "C" {
 
 #include "pycore_unicodeobject.h" // _PyUnicodeWriter
 
-// Operations on complex numbers.
-// Export functions for 'cmath' shared extension.
-PyAPI_FUNC(Py_complex) _Py_c_sum(Py_complex, Py_complex);
-PyAPI_FUNC(Py_complex) _Py_c_diff(Py_complex, Py_complex);
-PyAPI_FUNC(Py_complex) _Py_c_neg(Py_complex);
-PyAPI_FUNC(Py_complex) _Py_c_prod(Py_complex, Py_complex);
-PyAPI_FUNC(Py_complex) _Py_c_quot(Py_complex, Py_complex);
-PyAPI_FUNC(Py_complex) _Py_c_pow(Py_complex, Py_complex);
-PyAPI_FUNC(double) _Py_c_abs(Py_complex);
-
 /* Format the object based on the format_spec, as defined in PEP 3101
    (Advanced String Formatting). */
 extern int _PyComplex_FormatAdvancedWriter(

Modules/cmathmodule.c

@@ -7,7 +7,6 @@
 #endif
 
 #include "Python.h"
-#include "pycore_complexobject.h" // _Py_c_neg()
 #include "pycore_pymath.h"        // _PY_SHORT_FLOAT_REPR
 /* we need DBL_MAX, DBL_MIN, DBL_EPSILON, DBL_MANT_DIG and FLT_RADIX from
    float.h.  We assume that FLT_RADIX is either 2 or 16. */