Drop unused _Py_ADJUST_ERANGE2 macro

Author: skirpichev

Include/internal/pycore_pymath.h

@@ -10,10 +10,8 @@ extern "C" {
 
 
 /* _Py_ADJUST_ERANGE1(x)
- * _Py_ADJUST_ERANGE2(x, y)
- * Set errno to 0 before calling a libm function, and invoke one of these
- * macros after, passing the function result(s) (_Py_ADJUST_ERANGE2 is useful
- * for functions returning complex results).  This makes two kinds of
+ * Set errno to 0 before calling a libm function, and invoke macro after.
+ * This makes two kinds of
  * adjustments to errno:  (A) If it looks like the platform libm set
  * errno=ERANGE due to underflow, clear errno. (B) If it looks like the
  * platform libm overflowed but didn't set errno, force errno to ERANGE.  In
@@ -42,20 +40,6 @@ static inline void _Py_ADJUST_ERANGE1(double x)
     }
 }
 
-static inline void _Py_ADJUST_ERANGE2(double x, double y)
-{
-    if (x == INFINITY || x == -INFINITY ||
-        y == INFINITY || y == -INFINITY)
-    {
-        if (errno == 0) {
-            errno = ERANGE;
-        }
-    }
-    else if (errno == ERANGE) {
-        errno = 0;
-    }
-}
-
 
 //--- HAVE_PY_SET_53BIT_PRECISION macro ------------------------------------
 //

Objects/complexobject.c

@@ -11,7 +11,6 @@
 #include "pycore_freelist.h"      // _Py_FREELIST_FREE(), _Py_FREELIST_POP()
 #include "pycore_long.h"          // _PyLong_GetZero()
 #include "pycore_object.h"        // _PyObject_Init()
-#include "pycore_pymath.h"        // _Py_ADJUST_ERANGE2()
 
 
 #define _PyComplexObject_CAST(op)   ((PyComplexObject *)(op))