ranges.hpp

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//
// Copyright 2010-2012 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
 
#pragma once
 
#include <uhd/config.hpp>
#include <type_traits>
#include <string>
#include <vector>
 
namespace uhd {
 
class UHD_API range_t
{
public:
    range_t(double value = 0);
 
    range_t(double start, double stop, double step = 0);
 
    double start(void) const;
 
    double stop(void) const;
 
    double step(void) const;
 
    std::string to_pp_string(void) const;
 
    bool operator==(const range_t& other) const;
 
    bool operator!=(const range_t& other) const;
 
private:
    double _start, _stop, _step;
};
 
struct UHD_API meta_range_t : public std::vector<range_t>
{
    meta_range_t(void);
 
    template <typename InputIterator>
    meta_range_t(InputIterator first, InputIterator last)
        : std::vector<range_t>(first, last)
    { /* NOP */
        // This is to avoid people accidentally doing silly things like:
        // meta_range_t(0, 0)
        // which probably was supposed to call meta_range_t(double, double, double)
        // but actually calls this constructor.
        static_assert(!std::is_integral<typename std::decay<InputIterator>::type>::value,
            "You can't pass integers to meta_range_t's constructor!");
    }
 
    meta_range_t(double start, double stop, double step = 0);
 
    double start(void) const;
 
    double stop(void) const;
 
    double step(void) const;
 
    double clip(double value, bool clip_step = false) const;
 
    meta_range_t as_monotonic() const;
 
    std::string to_pp_string(void) const;
};
 
typedef meta_range_t gain_range_t;
typedef meta_range_t freq_range_t;
 
} // namespace uhd