Functional.hh

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#ifndef CRL_MULTISENSE_FUNCTIONAL_HH
#define CRL_MULTISENSE_FUNCTIONAL_HH

namespace crl {
namespace multisense {
namespace details {
namespace utility {

template <class Type>
inline bool
approximatelyEqual(Type const& xx, Type const& yy, Type const& epsilon) {
    return (((xx)-(yy) < (epsilon)) && ((xx)-(yy) > -(epsilon)));
}

template <class Type>
inline bool
approxEqual(Type const& xx, Type const& yy, Type const& epsilon) {
    return approximatelyEqual(xx, yy, epsilon);
}

template <class Type>
inline Type
boundValue(Type const& value, Type const& minimum, Type const& maximum) {
    return ((value > maximum) ? maximum : (value < minimum) ? minimum : value);
}

template <class Type>
inline Type
decayedAverage(Type const& previous, Type const& samples, Type const& newest) {
    return (((samples - 1) * previous) + newest) / samples;
}

}}}} // namespaces

#endif /* #ifndef CRL_MULTISENSE_FUNCTIONAL_HH */