Function npyiter_cache_values

numpy/core/src/multiarray/nditer_pywrap.c:49–84

};

static int npyiter_cache_values(NewNpyArrayIterObject *self)
{
    NpyIter *iter = self->iter;

    /* iternext and get_multi_index functions */
    self->iternext = NpyIter_GetIterNext(iter, NULL);
    if (self->iternext == NULL) {
        return -1;
    }

    if (NpyIter_HasMultiIndex(iter) && !NpyIter_HasDelayedBufAlloc(iter)) {
        self->get_multi_index = NpyIter_GetGetMultiIndex(iter, NULL);
    }
    else {
        self->get_multi_index = NULL;
    }

    /* Internal data pointers */
    self->dataptrs = NpyIter_GetDataPtrArray(iter);
    self->dtypes = NpyIter_GetDescrArray(iter);
    self->operands = NpyIter_GetOperandArray(iter);

    if (NpyIter_HasExternalLoop(iter)) {
        self->innerstrides = NpyIter_GetInnerStrideArray(iter);
        self->innerloopsizeptr = NpyIter_GetInnerLoopSizePtr(iter);
    }
    else {
        self->innerstrides = NULL;
        self->innerloopsizeptr = NULL;
    }

    /* The read/write settings */
    NpyIter_GetReadFlags(iter, self->readflags);
    NpyIter_GetWriteFlags(iter, self->writeflags);
    return 0;
}

static PyObject *
npyiter_new(PyTypeObject *subtype, PyObject *NPY_UNUSED(args),