// My ugliest sketch yet.
//
// Forum: https://forum.arduino.cc/t/float-or-float/1154990/

void setup() 
{
  Serial.begin(115200);

  Serial.println(Bad(),10);
  Serial.println(Good(),10);
}

void loop() {}

float Bad()
{
  int16_t NSamples = 200;
  int32_t sum_Gyro = 3;
  float avg_Gyro = float(sum_Gyro/2);
  avg_Gyro /= float(NSamples);

  return(avg_Gyro);
}

float Good()
{
  int16_t NSamples = 200;
  int32_t sum_Gyro = 3;
  float avg_Gyro = (float)sum_Gyro/2;
  avg_Gyro /= (float)NSamples;

  return(avg_Gyro);
}