/**
 * @file Decimate.h
 * @brief Min/max envelope decimation for screen rendering.
 */
#pragma once

#include "Types.h"

namespace udpscope {

/**
 * @brief Reduce n points to at most maxPoints by emitting each bucket's
 *        minimum and maximum, in time order.
 *
 * LTTB is deliberately not used. It selects representative points and will
 * silently drop a one-sample glitch; on a scope that glitch is usually the
 * thing being looked for. The emitted pair stays in time order rather than
 * value order because callers binary-search the result by time.
 *
 * Input shorter than maxPoints is copied through unchanged.
 */
void MinMaxDecimate(const double* t, const double* v, size_t n,
                    size_t maxPoints, Series& out);

} /* namespace udpscope */