Function make_arrays

numpy/core/code_generators/generate_umath.py:1176–1272

(funcdict)

# 3) add function.

def make_arrays(funcdict):
    # functions array contains an entry for every type implemented NULL
    # should be placed where PyUfunc_ style function will be filled in
    # later
    code1list = []
    code2list = []
    dispdict  = {}
    names = sorted(funcdict.keys())
    for name in names:
        uf = funcdict[name]
        funclist = []
        datalist = []
        siglist = []
        k = 0
        sub = 0

        for t in uf.type_descriptions:
            cfunc_alias = t.cfunc_alias if t.cfunc_alias else name
            cfunc_fname = None
            if t.func_data is FullTypeDescr:
                tname = english_upper(chartoname[t.type])
                datalist.append('(void *)NULL')
                if t.out == "?":
                    cfunc_fname = f"{tname}_{t.in_}_bool_{cfunc_alias}"
                else:
                    cfunc_fname = f"{tname}_{t.in_}_{t.out}_{cfunc_alias}"
            elif isinstance(t.func_data, FuncNameSuffix):
                datalist.append('(void *)NULL')
                tname = english_upper(chartoname[t.type])
                cfunc_fname = f"{tname}_{cfunc_alias}_{t.func_data.suffix}"
            elif t.func_data is None:
                datalist.append('(void *)NULL')
                tname = english_upper(chartoname[t.type])
                cfunc_fname = f"{tname}_{cfunc_alias}"
            else:
                try:
                    thedict = arity_lookup[uf.nin, uf.nout]
                except KeyError as e:
                    raise ValueError(
                        f"Could not handle {name}[{t.type}] "
                        f"with nin={uf.nin}, nout={uf.nout}"
                    ) from None

                astype = ''
                if not t.astype is None:
                    astype = '_As_%s' % thedict[t.astype]
                astr = ('%s_functions[%d] = PyUFunc_%s%s;' %
                           (name, k, thedict[t.type], astype))
                code2list.append(astr)
                if t.type == 'O':
                    astr = ('%s_data[%d] = (void *) %s;' %
                               (name, k, t.func_data))
                    code2list.append(astr)
                    datalist.append('(void *)NULL')
                elif t.type == 'P':
                    datalist.append('(void *)"%s"' % t.func_data)
                else:
                    astr = ('%s_data[%d] = (void *) %s;' %