Improve comment for creating iter object from second operand

1 files changed, 7 insertions, 3 deletions

diff --git a/numpy/core/src/umath/ufunc_object.c b/numpy/core/src/umath/ufunc_object.c
index 0188fbdaa..e90262991 100644
--- a/numpy/core/src/umath/ufunc_object.c
+++ b/numpy/core/src/umath/ufunc_object.c
@@ -4929,9 +4929,13 @@ ufunc_at(PyUFuncObject *ufunc, PyObject *args)
             }
         }
 
-        /*
-         * Be sure values array is "broadcastable"
-         * to shape of iter->dimensions, iter->nd
+        /* 
+         * Create array iter object for second operand that
+         * "matches" the map iter object for the first operand.
+         * Then we can just iterate over the first and second
+         * operands at the same time and not have to worry about
+         * picking the correct elements from each operand to apply
+         * the ufunc to.
          */
         if ((iter2 = (PyArrayIterObject *)\
              PyArray_BroadcastToShape((PyObject *)op2_array,