Function EqualValuesOrBothNull

layers/utils/math_utils.h:180–185

For spots we care if one pointer is null, or if both are not null, are the same values

// For spots we care if one pointer is null, or if both are not null, are the same values
static inline bool EqualValuesOrBothNull(const uint32_t* a, const uint32_t* b) {
    if (!a || !b) {
        return a == b;
    }
    return *a == *b;
}

template <typename T>
constexpr T AbsDiff(T a, T b) {