Function NpyIter_GetInnerStrideArray

numpy/core/src/multiarray/nditer_api.c:1268–1283

NUMPY_API * Get the array of strides for the inner loop (when HasExternalLoop is true) * * This function may be safely called without holding the Python GIL. */

 * This function may be safely called without holding the Python GIL.
 */
NPY_NO_EXPORT npy_intp *
NpyIter_GetInnerStrideArray(NpyIter *iter)
{
    npy_uint32 itflags = NIT_ITFLAGS(iter);
    /*int ndim = NIT_NDIM(iter);*/
    int nop = NIT_NOP(iter);

    if (itflags&NPY_ITFLAG_BUFFER) {
        NpyIter_BufferData *data = NIT_BUFFERDATA(iter);
        return NBF_STRIDES(data);
    }
    else {
        NpyIter_AxisData *axisdata = NIT_AXISDATA(iter);
        return NAD_STRIDES(axisdata);
    }
}

/*NUMPY_API
 * Gets the array of strides for the specified axis.