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Replace min(max()) with constrain

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kamilritz
2020-07-16 18:25:06 +02:00
committed by Mathieu Bresciani
parent b0458fbded
commit 01515b9a9c
1 changed files with 2 additions and 2 deletions
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EKF/gps_checks.cpp
+2 -2
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@@ -139,7 +139,7 @@ bool Ekf::gps_is_good(const gps_message &gps)
// Calculate time lapsed since last update, limit to prevent numerical errors and calculate a lowpass filter coefficient
constexpr float filt_time_const = 10.0f;
const float dt = fminf(fmaxf(float(int64_t(_time_last_imu) - int64_t(_gps_pos_prev.timestamp)) * 1e-6f, 0.001f), filt_time_const);
const float dt = math::constrain(float(int64_t(_time_last_imu) - int64_t(_gps_pos_prev.timestamp)) * 1e-6f, 0.001f, filt_time_const);
const float filter_coef = dt / filt_time_const;
// The following checks are only valid when the vehicle is at rest
@@ -209,7 +209,7 @@ bool Ekf::gps_is_good(const gps_message &gps)
// Check the filtered difference between GPS and EKF vertical velocity
const float vz_diff_limit = 10.0f * _params.req_vdrift;
float vertVel = fminf(fmaxf((gps.vel_ned(2) - _state.vel(2)), -vz_diff_limit), vz_diff_limit);
const float vertVel = math::constrain(gps.vel_ned(2) - _state.vel(2), -vz_diff_limit, vz_diff_limit);
_gps_velD_diff_filt = vertVel * filter_coef + _gps_velD_diff_filt * (1.0f - filter_coef);
_gps_check_fail_status.flags.vspeed = (fabsf(_gps_velD_diff_filt) > _params.req_vdrift);