Function bicubicInterpFunc

src/backend/cpu/kernel/interp.hpp:71–78

template<typename InT, typename LocT>
InT bicubicInterpFunc(InT val[4][4], LocT xratio, LocT yratio, bool spline) {
    InT res[4];
    res[0] = cubicInterpFunc(val[0], xratio, spline);
    res[1] = cubicInterpFunc(val[1], xratio, spline);
    res[2] = cubicInterpFunc(val[2], xratio, spline);
    res[3] = cubicInterpFunc(val[3], xratio, spline);
    return cubicInterpFunc(res, yratio, spline);
}

template<typename InT, typename LocT, int order>
struct Interp1 {};