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Diffstat (limited to 'doc/source/reference/c-api.ufunc.rst')
| -rw-r--r-- | doc/source/reference/c-api.ufunc.rst | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/doc/source/reference/c-api.ufunc.rst b/doc/source/reference/c-api.ufunc.rst index 71abffd04..3673958d9 100644 --- a/doc/source/reference/c-api.ufunc.rst +++ b/doc/source/reference/c-api.ufunc.rst @@ -114,7 +114,6 @@ Functions data type, it will be internally upcast to the int_ (or uint) data type. - :param doc: Allows passing in a documentation string to be stored with the ufunc. The documentation string should not contain the name @@ -128,6 +127,21 @@ Functions structure and it does get set with this value when the ufunc object is created. +.. cfunction:: PyObject* PyUFunc_FromFuncAndDataAndSignature(PyUFuncGenericFunction* func, + void** data, char* types, int ntypes, int nin, int nout, int identity, + char* name, char* doc, int check_return, char *signature) + + This function is very similar to PyUFunc_FromFuncAndData above, but has + an extra *signature* argument, to define generalized universal functions. + Similarly to how ufuncs are built around an element-by-element operation, + gufuncs are around subarray-by-subarray operations, the signature defining + the subarrays to operate on. + + :param signature: + The signature for the new gufunc. Setting it to NULL is equivalent + to calling PyUFunc_FromFuncAndData. A copy of the string is made, + so the passed in buffer can be freed. + .. cfunction:: int PyUFunc_RegisterLoopForType(PyUFuncObject* ufunc, int usertype, PyUFuncGenericFunction function, int* arg_types, void* data) |