clang-tidy: partially fix modernize-use-equals-default

.clang-tidy

@@ -79,7 +79,6 @@ Checks:          '*,
                   -modernize-use-auto,
                   -modernize-use-bool-literals,
                   -modernize-use-default-member-init,
-                  -modernize-use-emplace,
                   -modernize-use-equals-default,
                   -modernize-use-equals-delete,
                   -modernize-use-override,

src/lib/cdev/posix/vfile.h

@@ -50,7 +50,7 @@ class VFile : public CDev
 public:
 
 	static VFile *createFile(const char *fname, mode_t mode);
-	~VFile() {}
+	~VFile() = default;
 
 	ssize_t write(file_t *handlep, const char *buffer, size_t buflen) override;
 

src/lib/controllib/BlockDelay.hpp

@@ -66,7 +66,7 @@ public:
 		_index(0),
 		_delay(-1)
 	{}
-	virtual ~BlockDelay() {}
+	virtual ~BlockDelay() = default;
 	matrix::Matrix<Type, M, N> update(const matrix::Matrix<Type, M, N> &u)
 	{
 		// store current value

src/lib/controllib/BlockDerivative.hpp

@@ -68,7 +68,7 @@ public:
 		_initialized(false),
 		_lowPass(this, "LP")
 	{}
-	virtual ~BlockDerivative() {}
+	virtual ~BlockDerivative() = default;
 
 	/**
 	 * Update the state and get current derivative

src/lib/controllib/BlockHighPass.hpp

@@ -69,7 +69,7 @@ public:
 		_y(0),
 		_fCut(this, "") // only one parameter, no need to name
 	{}
-	virtual ~BlockHighPass() {}
+	virtual ~BlockHighPass() = default;
 	float update(float input);
 // accessors
 	float getU() {return _u;}

src/lib/controllib/BlockIntegral.hpp

@@ -64,7 +64,7 @@ public:
 		SuperBlock(parent, name),
 		_y(0),
 		_limit(this, "") {}
-	virtual ~BlockIntegral() {}
+	virtual ~BlockIntegral() = default;
 	float update(float input);
 // accessors
 	float getY() {return _y;}

src/lib/controllib/BlockIntegralTrap.hpp

@@ -72,7 +72,7 @@ public:
 		_u(0),
 		_y(0),
 		_limit(this, "") {}
-	virtual ~BlockIntegralTrap() {}
+	virtual ~BlockIntegralTrap() = default;
 	float update(float input);
 // accessors
 	float getU() {return _u;}

src/lib/controllib/BlockLimit.hpp

@@ -69,7 +69,7 @@ public:
 		_min(this, "MIN"),
 		_max(this, "MAX")
 	{}
-	virtual ~BlockLimit() {}
+	virtual ~BlockLimit() = default;
 	float update(float input);
 // accessors
 	float getMin() { return _min.get(); }

src/lib/controllib/BlockLimitSym.hpp

@@ -68,7 +68,7 @@ public:
 		Block(parent, name),
 		_max(this, "MAX")
 	{}
-	virtual ~BlockLimitSym() {}
+	virtual ~BlockLimitSym() = default;
 	float update(float input);
 // accessors
 	float getMax() { return _max.get(); }

src/lib/controllib/BlockLowPass.hpp

@@ -69,7 +69,7 @@ public:
 		_state(NAN /* initialize to invalid val, force into is_finite() check on first call */),
 		_fCut(this, "") // only one parameter, no need to name
 	{}
-	virtual ~BlockLowPass() {}
+	virtual ~BlockLowPass() = default;
 	float update(float input);
 // accessors
 	float getState() { return _state; }

src/lib/controllib/BlockLowPass2.hpp

@@ -69,7 +69,7 @@ public:
 		_fs(sample_freq),
 		_lp(_fs, _fCut.get())
 	{}
-	virtual ~BlockLowPass2() {}
+	virtual ~BlockLowPass2() = default;
 	float update(float input);
 // accessors
 	float getState() { return _state; }

src/lib/controllib/BlockLowPassVector.hpp

@@ -70,7 +70,7 @@ public:
 			_state(i) = 0.0f / 0.0f;
 		}
 	}
-	virtual ~BlockLowPassVector() {}
+	virtual ~BlockLowPassVector() = default;
 	matrix::Vector<Type, M> update(const matrix::Matrix<Type, M, 1> &input)
 	{
 		for (size_t i = 0; i < M; i++) {

src/lib/controllib/BlockOutput.hpp

@@ -70,7 +70,7 @@ public:
 		update(0);
 	}
 
-	virtual ~BlockOutput() {}
+	virtual ~BlockOutput() = default;
 	void update(float input)
 	{
 		_val = _limit.update(input + getTrim());

src/lib/controllib/BlockP.hpp

@@ -67,7 +67,7 @@ public:
 		Block(parent, name),
 		_kP(this, "") // only one param, no need to name
 	{}
-	virtual ~BlockP() {}
+	virtual ~BlockP() = default;
 	float update(float input)
 	{
 		return getKP() * input;

src/lib/controllib/BlockPD.hpp

@@ -69,7 +69,7 @@ public:
 		_kP(this, "P"),
 		_kD(this, "D")
 	{}
-	virtual ~BlockPD() {}
+	virtual ~BlockPD() = default;
 	float update(float input)
 	{
 		return getKP() * input +

src/lib/controllib/BlockPI.hpp

@@ -69,7 +69,7 @@ public:
 		_kP(this, "P"),
 		_kI(this, "I")
 	{}
-	virtual ~BlockPI() {}
+	virtual ~BlockPI() = default;
 	float update(float input)
 	{
 		return getKP() * input +

src/lib/controllib/BlockPID.hpp

@@ -71,7 +71,7 @@ public:
 		_kI(this, "I"),
 		_kD(this, "D")
 	{}
-	virtual ~BlockPID() {}
+	virtual ~BlockPID() = default;
 	float update(float input)
 	{
 		return getKP() * input +

src/lib/controllib/BlockRandGauss.hpp

@@ -69,7 +69,7 @@ public:
 		// in main program for all calls to rand
 		// XXX currently in nuttx if you seed to 0, rand breaks
 	}
-	virtual ~BlockRandGauss() {}
+	virtual ~BlockRandGauss() = default;
 	float update()
 	{
 		static float V1, V2, S;

src/lib/controllib/BlockRandUniform.hpp

@@ -72,7 +72,7 @@ public:
 		// in main program for all calls to rand
 		// XXX currently in nuttx if you seed to 0, rand breaks
 	}
-	virtual ~BlockRandUniform() {}
+	virtual ~BlockRandUniform() = default;
 	float update()
 	{
 		static float rand_max = RAND_MAX;

src/lib/controllib/BlockStats.hpp

@@ -67,7 +67,7 @@ public:
 		_sumSq(),
 		_count(0)
 	{}
-	virtual ~BlockStats() {}
+	virtual ~BlockStats() = default;
 	void update(const matrix::Vector<Type, M> &u)
 	{
 		_sum += u;

src/lib/drivers/smbus/SMBus.cpp

@@ -50,10 +50,6 @@ SMBus::SMBus(int bus_num, uint16_t address) :
 {
 }
 
-SMBus::~SMBus()
-{
-}
-
 int SMBus::read_word(const uint8_t cmd_code, void *data)
 {
 	// 2 data bytes + pec byte

src/lib/drivers/smbus/SMBus.hpp

@@ -48,7 +48,7 @@ class SMBus : public device::I2C
 {
 public:
 	SMBus(int bus_num, uint16_t address);
-	~SMBus();
+	~SMBus() override = default;
 
 	/**
 	 * @brief Sends a block write command.

src/lib/mixer/mixer.h

@@ -192,7 +192,7 @@ public:
 	 * @param control_cb		Callback invoked when reading controls.
 	 */
 	Mixer(ControlCallback control_cb, uintptr_t cb_handle);
-	virtual ~Mixer() {}
+	virtual ~Mixer() = default;
 
 	/**
 	 * Perform the mixing function.
@@ -471,7 +471,7 @@ class NullMixer : public Mixer
 {
 public:
 	NullMixer();
-	~NullMixer() {}
+	~NullMixer() = default;
 
 	/**
 	 * Factory method.

src/lib/terrain_estimation/terrain_estimator.cpp

@@ -48,7 +48,7 @@ TerrainEstimator::TerrainEstimator() :
 	_time_last_distance(0),
 	_time_last_gps(0)
 {
-	memset(&_x._data[0], 0, sizeof(_x._data));
+	_x.zero();
 	_u_z = 0.0f;
 	_P.setIdentity();
 }

src/lib/terrain_estimation/terrain_estimator.h

@@ -60,7 +60,7 @@ class __EXPORT TerrainEstimator
 {
 public:
 	TerrainEstimator();
-	~TerrainEstimator() {}
+	~TerrainEstimator() = default;
 
 	bool is_valid() {return _terrain_valid;}
 	float get_distance_to_ground() {return -_x(0);}

src/modules/land_detector/FixedwingLandDetector.h

@@ -56,6 +56,7 @@ class FixedwingLandDetector final : public LandDetector
 {
 public:
 	FixedwingLandDetector();
+	~FixedwingLandDetector() override = default;
 
 protected:
 

src/modules/land_detector/MulticopterLandDetector.h

@@ -60,6 +60,7 @@ class MulticopterLandDetector : public LandDetector
 {
 public:
 	MulticopterLandDetector();
+	~MulticopterLandDetector() override = default;
 
 protected:
 	void _update_params() override;

src/modules/land_detector/RoverLandDetector.h

@@ -50,6 +50,7 @@ class RoverLandDetector : public LandDetector
 {
 public:
 	RoverLandDetector() = default;
+	~RoverLandDetector() override = default;
 
 protected:
 	bool _get_ground_contact_state() override;

src/modules/land_detector/VtolLandDetector.cpp

@@ -46,10 +46,6 @@
 namespace land_detector
 {
 
-VtolLandDetector::VtolLandDetector()
-{
-}
-
 void VtolLandDetector::_update_topics()
 {
 	MulticopterLandDetector::_update_topics();

src/modules/land_detector/VtolLandDetector.h

@@ -52,7 +52,8 @@ namespace land_detector
 class VtolLandDetector : public MulticopterLandDetector
 {
 public:
-	VtolLandDetector();
+	VtolLandDetector() = default;
+	~VtolLandDetector() override = default;
 
 protected:
 	void _update_topics() override;

src/modules/mavlink/mavlink_ulog.cpp

@@ -66,10 +66,6 @@ MavlinkULog::MavlinkULog(int datarate, float max_rate_factor, uint8_t target_sys
 	_next_rate_check = _last_sent_time + _rate_calculation_delta_t * 1.e6f;
 }
 
-MavlinkULog::~MavlinkULog()
-{
-}
-
 void MavlinkULog::start_ack_received()
 {
 	if (_waiting_for_initial_ack) {

src/modules/mavlink/mavlink_ulog.h

@@ -102,7 +102,7 @@ private:
 
 	MavlinkULog(int datarate, float max_rate_factor, uint8_t target_system, uint8_t target_component);
 
-	~MavlinkULog();
+	~MavlinkULog() = default;
 
 	static void lock()
 	{