Issue #29282: Backed out changeset b33012ef1417

2 files changed, 1 insertions, 77 deletions

diff --git a/Modules/clinic/mathmodule.c.h b/Modules/clinic/mathmodule.c.h
index 4e9fe20cf5..84a7a70cdc 100644
--- a/Modules/clinic/mathmodule.c.h
+++ b/Modules/clinic/mathmodule.c.h
@@ -80,40 +80,6 @@ PyDoc_STRVAR(math_factorial__doc__,
 #define MATH_FACTORIAL_METHODDEF    \
     {"factorial", (PyCFunction)math_factorial, METH_O, math_factorial__doc__},
 
-PyDoc_STRVAR(math_fma__doc__,
-"fma($module, x, y, z, /)\n"
-"--\n"
-"\n"
-"Fused multiply-add operation. Compute (x * y) + z with a single round.");
-
-#define MATH_FMA_METHODDEF    \
-    {"fma", (PyCFunction)math_fma, METH_FASTCALL, math_fma__doc__},
-
-static PyObject *
-math_fma_impl(PyObject *module, double x, double y, double z);
-
-static PyObject *
-math_fma(PyObject *module, PyObject **args, Py_ssize_t nargs, PyObject *kwnames)
-{
-    PyObject *return_value = NULL;
-    double x;
-    double y;
-    double z;
-
-    if (!_PyArg_ParseStack(args, nargs, "ddd:fma",
-        &x, &y, &z)) {
-        goto exit;
-    }
-
-    if (!_PyArg_NoStackKeywords("fma", kwnames)) {
-        goto exit;
-    }
-    return_value = math_fma_impl(module, x, y, z);
-
-exit:
-    return return_value;
-}
-
 PyDoc_STRVAR(math_trunc__doc__,
 "trunc($module, x, /)\n"
 "--\n"
@@ -570,4 +536,4 @@ math_isclose(PyObject *module, PyObject **args, Py_ssize_t nargs, PyObject *kwna
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=f428e1075d00c334 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=71806f73a5c4bf0b input=a9049054013a1b77]*/
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 66e88b69ce..8bd38d0eb8 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -1596,47 +1596,6 @@ math_factorial(PyObject *module, PyObject *arg)
 
 
 /*[clinic input]
-math.fma
-
-    x: double
-    y: double
-    z: double
-    /
-
-Fused multiply-add operation. Compute (x * y) + z with a single round.
-[clinic start generated code]*/
-
-static PyObject *
-math_fma_impl(PyObject *module, double x, double y, double z)
-/*[clinic end generated code: output=4fc8626dbc278d17 input=2ae8bb2a6e0f8b77]*/
-{
-    double r;
-    r = fma(x, y, z);
-
-    /* Fast path: if we got a finite result, we're done. */
-    if (Py_IS_FINITE(r)) {
-        return PyFloat_FromDouble(r);
-    }
-
-    /* Non-finite result. Raise an exception if appropriate, else return r. */
-    if (Py_IS_NAN(r)) {
-        if (!Py_IS_NAN(x) && !Py_IS_NAN(y) && !Py_IS_NAN(z)) {
-            /* NaN result from non-NaN inputs. */
-            PyErr_SetString(PyExc_ValueError, "invalid operation in fma");
-            return NULL;
-        }
-    }
-    else if (Py_IS_FINITE(x) && Py_IS_FINITE(y) && Py_IS_FINITE(z)) {
-        /* Infinite result from finite inputs. */
-        PyErr_SetString(PyExc_OverflowError, "overflow in fma");
-        return NULL;
-    }
-
-    return PyFloat_FromDouble(r);
-}
-
-
-/*[clinic input]
 math.trunc
 
     x: object
@@ -2265,7 +2224,6 @@ static PyMethodDef math_methods[] = {
     {"fabs",            math_fabs,      METH_O,         math_fabs_doc},
     MATH_FACTORIAL_METHODDEF
     MATH_FLOOR_METHODDEF
-    MATH_FMA_METHODDEF
     MATH_FMOD_METHODDEF
     MATH_FREXP_METHODDEF
     MATH_FSUM_METHODDEF