diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp index 9374971741..56eceea39d 100644 --- a/Marlin/src/module/temperature.cpp +++ b/Marlin/src/module/temperature.cpp @@ -1418,7 +1418,7 @@ void Temperature::min_temp_error(const heater_id_t heater_id) { // At startup, initialize modeled temperatures if (isnan(hotend.modeled_block_temp)) { - hotend.modeled_ambient_temp = min(30.0f, hotend.celsius); // Cap initial value at reasonable max room temperature of 30C + hotend.modeled_ambient_temp = _MIN(30.0f, hotend.celsius); // Cap initial value at reasonable max room temperature of 30C hotend.modeled_block_temp = hotend.modeled_sensor_temp = hotend.celsius; } @@ -1464,7 +1464,7 @@ void Temperature::min_temp_error(const heater_id_t heater_id) { // Only correct ambient when close to steady state (output power is not clipped or asymptotic temperature is reached) if (WITHIN(hotend.soft_pwm_amount, 1, 126) || fabs(blocktempdelta + delta_to_apply) < (MPC_STEADYSTATE * MPC_dT)) - hotend.modeled_ambient_temp += delta_to_apply > 0.f ? max(delta_to_apply, MPC_MIN_AMBIENT_CHANGE * MPC_dT) : min(delta_to_apply, -MPC_MIN_AMBIENT_CHANGE * MPC_dT); + hotend.modeled_ambient_temp += delta_to_apply > 0.f ? _MAX(delta_to_apply, MPC_MIN_AMBIENT_CHANGE * MPC_dT) : _MIN(delta_to_apply, -MPC_MIN_AMBIENT_CHANGE * MPC_dT); float power = 0.0; if (hotend.target != 0 && TERN1(HEATER_IDLE_HANDLER, !heater_idle[ee].timed_out)) {