Special case float parsing in PyPy since byte string access is likely slower...

Special case float parsing in PyPy since byte string access is likely slower there than a plain float object creation. (And it works in all PyPy versions.)

Cython/Utility/Optimize.c

@@ -667,7 +667,7 @@ static CYTHON_INLINE double __Pyx_PyUnicode_AsDouble(PyObject *obj);/*proto*/
 static CYTHON_INLINE double __Pyx_PyUnicode_AsDouble(PyObject *obj) {
     // Currently not optimised for 1) Py2.7 and 2) Py3 unicode strings with non-ASCII whitespace.
     // See __Pyx__PyBytes_AsDouble() below, the same byte buffer copying could be done here.
-#if PY_MAJOR_VERSION >= 3
+#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
     if (unlikely(PyUnicode_READY(obj) == -1))
         return (double)-1;
     if (likely(PyUnicode_IS_ASCII(obj))) {
@@ -687,10 +687,18 @@ static double __Pyx_SlowPyString_AsDouble(PyObject *obj);/*proto*/
 static double __Pyx__PyBytes_AsDouble(PyObject *obj, const char* start, Py_ssize_t length);/*proto*/
 
 static CYTHON_INLINE double __Pyx_PyBytes_AsDouble(PyObject *obj) {
+#if CYTHON_COMPILING_IN_PYPY
+    return __Pyx_SlowPyString_AsDouble(obj);
+#else
     return __Pyx__PyBytes_AsDouble(obj, PyBytes_AS_STRING(obj), PyBytes_GET_SIZE(obj));
+#endif
 }
 static CYTHON_INLINE double __Pyx_PyByteArray_AsDouble(PyObject *obj) {
+#if CYTHON_COMPILING_IN_PYPY
+    return __Pyx_SlowPyString_AsDouble(obj);
+#else
     return __Pyx__PyBytes_AsDouble(obj, PyByteArray_AS_STRING(obj), PyByteArray_GET_SIZE(obj));
+#endif
 }
 
 
@@ -720,7 +728,7 @@ static const char* __Pyx__PyBytes_AsDouble_Copy(const char* start, char* buffer,
     return buffer;
 }
 
-static double __Pyx__PyBytes_AsDouble(PyObject *obj, const char* start, Py_ssize_t length) {
+static CYTHON_UNUSED double __Pyx__PyBytes_AsDouble(PyObject *obj, const char* start, Py_ssize_t length) {
     double value;
     Py_ssize_t i, digits;
     const char *last = start + length;

tests/pypy_bugs.txt

@@ -2,10 +2,6 @@
 # either in PyPy, PyPy's cpyext, or Cython under PyPy,
 # which will be skipped in the normal testing run.
 
-# See https://foss.heptapod.net/pypy/pypy/-/issues/3375
-float_division
-specialfloat
-
 broken_exception
 bufaccess
 memoryview.memoryview$