// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0.If a copy of the MPL was not distributed with this
// file, You can obtain one at https ://mozilla.org/MPL/2.0/.

#include <math.h>
#include "Angle.h"

template <>
AngleOf<signed char>::AngleOf(int angle) {
  signed short short_angle = (signed char)angle * 256;
  this->value = (signed char)(short_angle / 360);
}

template <>
AngleOf<signed char>::AngleOf(float angle) {
  if (!isfinite(angle)) {
    value = 0;
    return;
  }

  // map float [-180..180) to integer [-128..127]
  float f = angle / 360.0F;
  this->value = (signed char)(f * 256.0F);
}

// template <>
// AngleOf<signed char>::operator float() const {
//   float f = (this->value * 180) / 128.0F;
//   return f;
// }

template <>
float AngleOf<signed char>::ToFloat() const {
  float f = (this->value * 180) / 128.0F;
  return f;
}

template <>
AngleOf<signed char> AngleOf<signed char>::operator-() const {
  AngleOf<signed char> angle = AngleOf();
  angle.value = -this->value;
  return angle;
}

template <>
AngleOf<signed char> AngleOf<signed char>::operator-(
    const AngleOf<signed char>& a) const {
  AngleOf<signed char> angle = AngleOf();
  angle.value = this->value - a.value;
  return angle;
}

template <>
AngleOf<signed char> AngleOf<signed char>::operator+(
    const AngleOf<signed char>& a) const {
  AngleOf<signed char> angle = AngleOf();
  angle.value = this->value + a.value;
  return angle;
}