gh-94906: Support multiple steps in math.nextafter (#103881)

This PR updates `math.nextafter` to add a new `steps` argument. The behaviour is as though `math.nextafter` had been called `steps` times in succession.

---------

Co-authored-by: Mark Dickinson <mdickinson@enthought.com>

4 files changed, 6 insertions, 0 deletions

diff --git a/Include/internal/pycore_global_objects_fini_generated.h b/Include/internal/pycore_global_objects_fini_generated.h
index eeaa2ad..8ca3545 100644
--- a/Include/internal/pycore_global_objects_fini_generated.h
+++ b/Include/internal/pycore_global_objects_fini_generated.h
@@ -1193,6 +1193,7 @@ _PyStaticObjects_CheckRefcnt(PyInterpreterState *interp) {
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(stdin));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(stdout));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(step));
+    _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(steps));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(store_name));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(strategy));
     _PyStaticObject_CheckRefcnt((PyObject *)&_Py_ID(strftime));
diff --git a/Include/internal/pycore_global_strings.h b/Include/internal/pycore_global_strings.h
index 5cc790d..8e429bb 100644
--- a/Include/internal/pycore_global_strings.h
+++ b/Include/internal/pycore_global_strings.h
@@ -681,6 +681,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(stdin)
         STRUCT_FOR_ID(stdout)
         STRUCT_FOR_ID(step)
+        STRUCT_FOR_ID(steps)
         STRUCT_FOR_ID(store_name)
         STRUCT_FOR_ID(strategy)
         STRUCT_FOR_ID(strftime)
diff --git a/Include/internal/pycore_runtime_init_generated.h b/Include/internal/pycore_runtime_init_generated.h
index 0cb24a9..3edf076 100644
--- a/Include/internal/pycore_runtime_init_generated.h
+++ b/Include/internal/pycore_runtime_init_generated.h
@@ -1187,6 +1187,7 @@ extern "C" {
     INIT_ID(stdin), \
     INIT_ID(stdout), \
     INIT_ID(step), \
+    INIT_ID(steps), \
     INIT_ID(store_name), \
     INIT_ID(strategy), \
     INIT_ID(strftime), \
diff --git a/Include/internal/pycore_unicodeobject_generated.h b/Include/internal/pycore_unicodeobject_generated.h
index fe2479b..0e1f717 100644
--- a/Include/internal/pycore_unicodeobject_generated.h
+++ b/Include/internal/pycore_unicodeobject_generated.h
@@ -1884,6 +1884,9 @@ _PyUnicode_InitStaticStrings(PyInterpreterState *interp) {
     string = &_Py_ID(step);
     assert(_PyUnicode_CheckConsistency(string, 1));
     _PyUnicode_InternInPlace(interp, &string);
+    string = &_Py_ID(steps);
+    assert(_PyUnicode_CheckConsistency(string, 1));
+    _PyUnicode_InternInPlace(interp, &string);
     string = &_Py_ID(store_name);
     assert(_PyUnicode_CheckConsistency(string, 1));
     _PyUnicode_InternInPlace(interp, &string);