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# doc is comment_documentation
# use list so order is preserved.
ufunc_api_list = [
(r"""
""",
'FromFuncAndData', 'PyUFuncGenericFunction *, void **, char *, int, int, int, int, char *, char *, int', 'PyObject *'),
(r"""
""",
'GenericFunction', 'PyUFuncObject *, PyObject *, PyArrayObject **', 'int'),
(r"""
""",
'f_f_As_d_d','char **, intp *, intp *, void *','void'),
(r"""
""",
'd_d','char **, intp *, intp *, void *','void'),
(r"""
""",
'f_f','char **, intp *, intp *, void *','void'),
(r"""
""",
'g_g','char **, intp *, intp *, void *','void'),
(r"""
""",
'F_F_As_D_D','char **, intp *, intp *, void *','void'),
(r"""
""",
'F_F','char **, intp *, intp *, void *','void'),
(r"""
""",
'D_D','char **, intp *, intp *, void *','void'),
(r"""
""",
'G_G','char **, intp *, intp *, void *','void'),
(r"""
""",
'O_O','char **, intp *, intp *, void *','void'),
(r"""
""",
'ff_f_As_dd_d','char **, intp *, intp *, void *','void'),
(r"""
""",
'ff_f','char **, intp *, intp *, void *','void'),
(r"""
""",
'dd_d','char **, intp *, intp *, void *','void'),
(r"""
""",
'gg_g','char **, intp *, intp *, void *','void'),
(r"""
""",
'FF_F_As_DD_D','char **, intp *, intp *, void *','void'),
(r"""
""",
'DD_D','char **, intp *, intp *, void *','void'),
(r"""
""",
'FF_F','char **, intp *, intp *, void *','void'),
(r"""
""",
'GG_G','char **, intp *, intp *, void *','void'),
(r"""
""",
'OO_O','char **, intp *, intp *, void *','void'),
(r"""
""",
'O_O_method','char **, intp *, intp *, void *','void'),
(r"""
""",
'checkfperr', 'int, PyObject *', 'int'),
(r"""
""",
'clearfperr', 'void', 'void')
]
# API fixes for __arrayobject_api.h
fixed = 1
nummulti = len(ufunc_api_list)
numtotal = fixed + nummulti
module_list = []
extension_list = []
init_list = []
#setup object API
for k, item in enumerate(ufunc_api_list):
num = fixed + k
astr = "static %s PyUFunc_%s \\\n (%s);" % \
(item[3],item[1],item[2])
module_list.append(astr)
astr = "#define PyUFunc_%s \\\n (*(%s (*)(%s)) \\\n"\
" PyUFunc_API[%d])" % (item[1],item[3],item[2],num)
extension_list.append(astr)
astr = " (void *) PyUFunc_%s," % item[1]
init_list.append(astr)
outstr = r"""
#ifdef _UMATHMODULE
static PyTypeObject PyUFunc_Type;
%s
#else
static void **PyUFunc_API;
#define PyUFunc_Type (*(PyTypeObject *)PyUFunc_API[0])
%s
static int
import_ufunc(void)
{
PyObject *numpy = PyImport_ImportModule("scipy.base.umath");
PyObject *c_api = NULL;
if (numpy == NULL) return -1;
c_api = PyObject_GetAttrString(numpy, "_UFUNC_API");
if (c_api == NULL) {Py_DECREF(numpy); return -1;}
if (PyCObject_Check(c_api)) {
PyUFunc_API = (void **)PyCObject_AsVoidPtr(c_api);
}
Py_DECREF(c_api);
Py_DECREF(numpy);
if (PyUFunc_API == NULL) return -1;
return 0;
}
#endif
""" % ('\n'.join(module_list),
'\n'.join(extension_list))
# Write to header
fid = open('__ufunc_api.h','w')
fid.write(outstr)
fid.close()
outstr = r"""
/* These pointers will be stored in the C-object for use in other
extension modules
*/
void *PyUFunc_API[] = {
(void *) &PyUFunc_Type,
%s
};
""" % '\n'.join(init_list)
# Write to c-code
fid = open('__ufunc_api.c','w')
fid.write(outstr)
fid.close()
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