PEP 465: a dedicated infix operator for matrix multiplication (closes #21176)

1 files changed, 24 insertions, 0 deletions

diff --git a/Python/ceval.c b/Python/ceval.c
index 5db88be620..ab7afa90d5 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1495,6 +1495,18 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
             DISPATCH();
         }
 
+        TARGET(BINARY_MATRIX_MULTIPLY) {
+            PyObject *right = POP();
+            PyObject *left = TOP();
+            PyObject *res = PyNumber_MatrixMultiply(left, right);
+            Py_DECREF(left);
+            Py_DECREF(right);
+            SET_TOP(res);
+            if (res == NULL)
+                goto error;
+            DISPATCH();
+        }
+
         TARGET(BINARY_TRUE_DIVIDE) {
             PyObject *divisor = POP();
             PyObject *dividend = TOP();
@@ -1685,6 +1697,18 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
             DISPATCH();
         }
 
+        TARGET(INPLACE_MATRIX_MULTIPLY) {
+            PyObject *right = POP();
+            PyObject *left = TOP();
+            PyObject *res = PyNumber_InPlaceMatrixMultiply(left, right);
+            Py_DECREF(left);
+            Py_DECREF(right);
+            SET_TOP(res);
+            if (res == NULL)
+                goto error;
+            DISPATCH();
+        }
+
         TARGET(INPLACE_TRUE_DIVIDE) {
             PyObject *divisor = POP();
             PyObject *dividend = TOP();