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AC_AttitudeControl: compiler warnings: apply is_zero(float) or is_equal(float) and float to doubles

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This commit is contained in:
Tom Pittenger 2015-05-02 02:34:54 -07:00 committed by Andrew Tridgell
parent 6d1b517aae
commit 1bca81eaed
2 changed files with 17 additions and 15 deletions
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11
libraries/AC_AttitudeControl/AC_AttitudeControl.cpp
View File

@ -2,6 +2,7 @@
#include "AC_AttitudeControl.h"
#include <AP_HAL.h>
#include <AP_Math.h>
// table of user settable parameters
const AP_Param::GroupInfo AC_AttitudeControl::var_info[] PROGMEM = {
@ -433,7 +434,7 @@ void AC_AttitudeControl::frame_conversion_ef_to_bf(const Vector3f& ef_vector, Ve
bool AC_AttitudeControl::frame_conversion_bf_to_ef(const Vector3f& bf_vector, Vector3f& ef_vector)
{
// avoid divide by zero
if (_ahrs.cos_pitch() == 0.0f) {
if (AP_Math::is_zero(_ahrs.cos_pitch())) {
return false;
}
// convert earth frame angle or rates to body frame
@ -671,14 +672,14 @@ void AC_AttitudeControl::accel_limiting(bool enable_limits)
{
if (enable_limits) {
// if enabling limits, reload from eeprom or set to defaults
if (_accel_roll_max == 0.0f) {
if (AP_Math::is_zero(_accel_roll_max)) {
_accel_roll_max.load();
}
// if enabling limits, reload from eeprom or set to defaults
if (_accel_pitch_max == 0.0f) {
if (AP_Math::is_zero(_accel_pitch_max)) {
_accel_pitch_max.load();
}
if (_accel_yaw_max == 0.0f) {
if (AP_Math::is_zero(_accel_yaw_max)) {
_accel_yaw_max.load();
}
} else {
@ -741,7 +742,7 @@ float AC_AttitudeControl::get_boosted_throttle(float throttle_in)
// sqrt_controller - response based on the sqrt of the error instead of the more common linear response
float AC_AttitudeControl::sqrt_controller(float error, float p, float second_ord_lim)
{
if (second_ord_lim == 0.0f || p == 0.0f) {
if (AP_Math::is_zero(second_ord_lim) || AP_Math::is_zero(p)) {
return error*p;
}

21
libraries/AC_AttitudeControl/AC_PosControl.cpp
View File

@ -1,6 +1,7 @@
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
#include <AP_HAL.h>
#include <AC_PosControl.h>
#include <AP_Math.h>
extern const AP_HAL::HAL& hal;
@ -99,9 +100,9 @@ void AC_PosControl::set_dt_xy(float dt_xy)
void AC_PosControl::set_speed_z(float speed_down, float speed_up)
{
// ensure speed_down is always negative
speed_down = (float)-fabs(speed_down);
speed_down = -fabsf(speed_down);
if (((float)fabs(_speed_down_cms-speed_down) > 1.0f) || ((float)fabs(_speed_up_cms-speed_up) > 1.0f)) {
if ((fabsf(_speed_down_cms-speed_down) > 1.0f) || (fabsf(_speed_up_cms-speed_up) > 1.0f)) {
_speed_down_cms = speed_down;
_speed_up_cms = speed_up;
_flags.recalc_leash_z = true;
@ -111,7 +112,7 @@ void AC_PosControl::set_speed_z(float speed_down, float speed_up)
/// set_accel_z - set vertical acceleration in cm/s/s
void AC_PosControl::set_accel_z(float accel_cmss)
{
if ((float)fabs(_accel_z_cms-accel_cmss) > 1.0f) {
if (fabsf(_accel_z_cms-accel_cmss) > 1.0f) {
_accel_z_cms = accel_cmss;
_flags.recalc_leash_z = true;
}
@ -146,7 +147,7 @@ void AC_PosControl::set_alt_target_from_climb_rate(float climb_rate_cms, float d
// jerk_z is calculated to reach full acceleration in 1000ms.
float jerk_z = _accel_z_cms * POSCONTROL_JERK_RATIO;
float accel_z_max = min(_accel_z_cms, safe_sqrt(2.0f*fabs(_vel_desired.z - climb_rate_cms)*jerk_z));
float accel_z_max = min(_accel_z_cms, safe_sqrt(2.0f*fabsf(_vel_desired.z - climb_rate_cms)*jerk_z));
_accel_last_z_cms += jerk_z * dt;
_accel_last_z_cms = min(accel_z_max, _accel_last_z_cms);
@ -224,7 +225,7 @@ void AC_PosControl::get_stopping_point_z(Vector3f& stopping_point) const
// calculate the velocity at which we switch from calculating the stopping point using a linear function to a sqrt function
linear_velocity = _accel_z_cms/_p_pos_z.kP();
if ((float)fabs(curr_vel_z) < linear_velocity) {
if (fabsf(curr_vel_z) < linear_velocity) {
// if our current velocity is below the cross-over point we use a linear function
stopping_point.z = curr_pos_z + curr_vel_z/_p_pos_z.kP();
} else {
@ -436,7 +437,7 @@ void AC_PosControl::accel_to_throttle(float accel_target_z)
/// calc_leash_length_xy should be called afterwards
void AC_PosControl::set_accel_xy(float accel_cmss)
{
if ((float)fabs(_accel_cms-accel_cmss) > 1.0f) {
if (fabsf(_accel_cms-accel_cmss) > 1.0f) {
_accel_cms = accel_cmss;
_flags.recalc_leash_xy = true;
}
@ -446,7 +447,7 @@ void AC_PosControl::set_accel_xy(float accel_cmss)
/// calc_leash_length_xy should be called afterwards
void AC_PosControl::set_speed_xy(float speed_cms)
{
if ((float)fabs(_speed_cms-speed_cms) > 1.0f) {
if (fabsf(_speed_cms-speed_cms) > 1.0f) {
_speed_cms = speed_cms;
_flags.recalc_leash_xy = true;
}
@ -504,7 +505,7 @@ void AC_PosControl::get_stopping_point_xy(Vector3f &stopping_point) const
float vel_total = pythagorous2(curr_vel.x, curr_vel.y);
// avoid divide by zero by using current position if the velocity is below 10cm/s, kP is very low or acceleration is zero
if (kP <= 0.0f || _accel_cms <= 0.0f || vel_total == 0.0f) {
if (kP <= 0.0f || _accel_cms <= 0.0f || AP_Math::is_zero(vel_total)) {
stopping_point.x = curr_pos.x;
stopping_point.y = curr_pos.y;
return;
@ -875,9 +876,9 @@ void AC_PosControl::accel_to_lean_angles(float dt, float ekfNavVelGainScaler)
accel_right = -accel_target_filtered.x*_ahrs.sin_yaw() + accel_target_filtered.y*_ahrs.cos_yaw();
// update angle targets that will be passed to stabilize controller
_pitch_target = constrain_float(fast_atan(-accel_forward/(GRAVITY_MSS * 100))*(18000/M_PI),-lean_angle_max, lean_angle_max);
_pitch_target = constrain_float(fast_atan(-accel_forward/(GRAVITY_MSS * 100))*(18000/(float)M_PI),-lean_angle_max, lean_angle_max);
float cos_pitch_target = cosf(_pitch_target*(float)M_PI/18000);
_roll_target = constrain_float(fast_atan(accel_right*cos_pitch_target/(GRAVITY_MSS * 100))*(18000/M_PI), -lean_angle_max, lean_angle_max);
_roll_target = constrain_float(fast_atan(accel_right*cos_pitch_target/(GRAVITY_MSS * 100))*(18000/(float)M_PI), -lean_angle_max, lean_angle_max);
}
// get_lean_angles_to_accel - convert roll, pitch lean angles to lat/lon frame accelerations in cm/s/s