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use std;
use ::*;

impl Vector for char16 {
  type Scalar = i8;
  type Boolean = char16;

  type CharVector = char16;
  type ShortVector = short16;
  type IntVector = int16;
  type LongVector = long16;

  type UCharVector = uchar16;
  type UShortVector = ushort16;
  type UIntVector = uint16;
  type ULongVector = ulong16;

  type FloatVector = float16;
  type DoubleVector = double16;

  #[inline(always)]
  fn map_unary(self, f: &Fn(Self::Scalar) -> Self::Scalar) -> Self {
    return char16(f(self.0), f(self.1), f(self.2), f(self.3), f(self.4), f(self.5), f(self.6), f(self.7), f(self.8), f(self.9), f(self.10), f(self.11), f(self.12), f(self.13), f(self.14), f(self.15));
  }

  #[inline(always)]
  fn map_binary(self, other: Self, f: &Fn(Self::Scalar, Self::Scalar) -> Self::Scalar) -> Self {
    return char16(f(self.0, other.0), f(self.1, other.1), f(self.2, other.2), f(self.3, other.3), f(self.4, other.4), f(self.5, other.5), f(self.6, other.6), f(self.7, other.7), f(self.8, other.8), f(self.9, other.9), f(self.10, other.10), f(self.11, other.11), f(self.12, other.12), f(self.13, other.13), f(self.14, other.14), f(self.15, other.15));
  }

  #[inline(always)]
  fn reduce(self, f: &Fn(Self::Scalar, Self::Scalar) -> Self::Scalar) -> Self::Scalar {
    return f(self.15, f(self.14, f(self.13, f(self.12, f(self.11, f(self.10, f(self.9, f(self.8, f(self.7, f(self.6, f(self.5, f(self.4, f(self.3, f(self.2, f(self.1, self.0)))))))))))))));
  }

  #[inline(always)]
  fn abs(self) -> Self {
    let mask = self >> 7;

    return (self ^ mask) - mask;
  }

  #[inline(always)]
  fn to_char_sat(self) -> char16 {
    return self;
  }

  #[inline(always)]
  fn to_uchar_sat(self) -> uchar16 {
    return char16::to_uchar(self.max(Self::from(0)));
  }

  #[inline(always)]
  fn to_short_sat(self) -> short16 {
    return char16::to_short(self);
  }

  #[inline(always)]
  fn to_ushort_sat(self) -> ushort16 {
    return char16::to_ushort(self.max(Self::from(0)));
  }

  #[inline(always)]
  fn to_int_sat(self) -> int16 {
    return char16::to_int(self);
  }

  #[inline(always)]
  fn to_uint_sat(self) -> uint16 {
    return char16::to_uint(self.max(Self::from(0)));
  }

  #[inline(always)]
  fn to_long_sat(self) -> long16 {
    return char16::to_long(self);
  }

  #[inline(always)]
  fn to_ulong_sat(self) -> ulong16 {
    return char16::to_ulong(self.max(Self::from(0)));
  }
}

impl Dot<char16> for char16 {
  type DotProduct = i8;
  #[inline(always)]
  fn dot(self, other: Self) -> Self::DotProduct {
    return reduce_add(self * other);
  }
}

impl Integer for char16 {
  type IntegerScalar = i8;

  const SIGN_MASK: i8 = std::i8::MIN;
}

impl Select<char16> for char16 {
  const MASK_SHIFT: i8 = 7;

  #[inline(always)]
  fn bitselect(self, a: char16, b: char16) -> char16 {
    return (a & !self) | (b & self);
  }
}

impl Select<uchar16> for char16 {
  const MASK_SHIFT: i8 = 7;

  #[inline(always)]
  fn bitselect(self, a: uchar16, b: uchar16) -> uchar16 {
    return uchar16::bitcast(self.bitselect(char16::bitcast(a), char16::bitcast(b)));
  }
}

impl char16 {
  #[inline(always)]
  pub fn lo(self) -> char8 {
    return char8(self.0, self.1, self.2, self.3, self.4, self.5, self.6, self.7);
  }

  #[inline(always)]
  pub fn hi(self) -> char8 {
    return char8(self.8, self.9, self.10, self.11, self.12, self.13, self.14, self.15);
  }

  #[inline(always)]
  pub fn odd(self) -> char8 {
    return char8(self.1, self.3, self.5, self.7, self.9, self.11, self.13, self.15);
  }

  #[inline(always)]
  pub fn even(self) -> char8 {
    return char8(self.0, self.2, self.4, self.6, self.8, self.10, self.12, self.14);
  }
}