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//! nalgebra trait implementation for primitive types.

use traits::structure::Cast;

macro_rules! primitive_cast_impl(
    ($from: ty, $to: ty) => (
        impl Cast<$from> for $to {
            #[inline(always)]
            fn from(t: $from) -> $to {
                t as $to
            }
        }
    )
);

primitive_cast_impl!(f64, f64);
primitive_cast_impl!(f64, f32);
primitive_cast_impl!(f64, i64);
primitive_cast_impl!(f64, i32);
primitive_cast_impl!(f64, i16);
primitive_cast_impl!(f64, i8);
primitive_cast_impl!(f64, u64);
primitive_cast_impl!(f64, u32);
primitive_cast_impl!(f64, u16);
primitive_cast_impl!(f64, u8);
primitive_cast_impl!(f64, isize);
primitive_cast_impl!(f64, usize);

primitive_cast_impl!(f32, f64);
primitive_cast_impl!(f32, f32);
primitive_cast_impl!(f32, i64);
primitive_cast_impl!(f32, i32);
primitive_cast_impl!(f32, i16);
primitive_cast_impl!(f32, i8);
primitive_cast_impl!(f32, u64);
primitive_cast_impl!(f32, u32);
primitive_cast_impl!(f32, u16);
primitive_cast_impl!(f32, u8);
primitive_cast_impl!(f32, isize);
primitive_cast_impl!(f32, usize);

primitive_cast_impl!(i64, f64);
primitive_cast_impl!(i64, f32);
primitive_cast_impl!(i64, i64);
primitive_cast_impl!(i64, i32);
primitive_cast_impl!(i64, i16);
primitive_cast_impl!(i64, i8);
primitive_cast_impl!(i64, u64);
primitive_cast_impl!(i64, u32);
primitive_cast_impl!(i64, u16);
primitive_cast_impl!(i64, u8);
primitive_cast_impl!(i64, isize);
primitive_cast_impl!(i64, usize);

primitive_cast_impl!(i32, f64);
primitive_cast_impl!(i32, f32);
primitive_cast_impl!(i32, i64);
primitive_cast_impl!(i32, i32);
primitive_cast_impl!(i32, i16);
primitive_cast_impl!(i32, i8);
primitive_cast_impl!(i32, u64);
primitive_cast_impl!(i32, u32);
primitive_cast_impl!(i32, u16);
primitive_cast_impl!(i32, u8);
primitive_cast_impl!(i32, isize);
primitive_cast_impl!(i32, usize);

primitive_cast_impl!(i16, f64);
primitive_cast_impl!(i16, f32);
primitive_cast_impl!(i16, i64);
primitive_cast_impl!(i16, i32);
primitive_cast_impl!(i16, i16);
primitive_cast_impl!(i16, i8);
primitive_cast_impl!(i16, u64);
primitive_cast_impl!(i16, u32);
primitive_cast_impl!(i16, u16);
primitive_cast_impl!(i16, u8);
primitive_cast_impl!(i16, isize);
primitive_cast_impl!(i16, usize);

primitive_cast_impl!(i8, f64);
primitive_cast_impl!(i8, f32);
primitive_cast_impl!(i8, i64);
primitive_cast_impl!(i8, i32);
primitive_cast_impl!(i8, i16);
primitive_cast_impl!(i8, i8);
primitive_cast_impl!(i8, u64);
primitive_cast_impl!(i8, u32);
primitive_cast_impl!(i8, u16);
primitive_cast_impl!(i8, u8);
primitive_cast_impl!(i8, isize);
primitive_cast_impl!(i8, usize);

primitive_cast_impl!(u64, f64);
primitive_cast_impl!(u64, f32);
primitive_cast_impl!(u64, i64);
primitive_cast_impl!(u64, i32);
primitive_cast_impl!(u64, i16);
primitive_cast_impl!(u64, i8);
primitive_cast_impl!(u64, u64);
primitive_cast_impl!(u64, u32);
primitive_cast_impl!(u64, u16);
primitive_cast_impl!(u64, u8);
primitive_cast_impl!(u64, isize);
primitive_cast_impl!(u64, usize);

primitive_cast_impl!(u32, f64);
primitive_cast_impl!(u32, f32);
primitive_cast_impl!(u32, i64);
primitive_cast_impl!(u32, i32);
primitive_cast_impl!(u32, i16);
primitive_cast_impl!(u32, i8);
primitive_cast_impl!(u32, u64);
primitive_cast_impl!(u32, u32);
primitive_cast_impl!(u32, u16);
primitive_cast_impl!(u32, u8);
primitive_cast_impl!(u32, isize);
primitive_cast_impl!(u32, usize);

primitive_cast_impl!(u16, f64);
primitive_cast_impl!(u16, f32);
primitive_cast_impl!(u16, i64);
primitive_cast_impl!(u16, i32);
primitive_cast_impl!(u16, i16);
primitive_cast_impl!(u16, i8);
primitive_cast_impl!(u16, u64);
primitive_cast_impl!(u16, u32);
primitive_cast_impl!(u16, u16);
primitive_cast_impl!(u16, u8);
primitive_cast_impl!(u16, isize);
primitive_cast_impl!(u16, usize);

primitive_cast_impl!(u8, f64);
primitive_cast_impl!(u8, f32);
primitive_cast_impl!(u8, i64);
primitive_cast_impl!(u8, i32);
primitive_cast_impl!(u8, i16);
primitive_cast_impl!(u8, i8);
primitive_cast_impl!(u8, u64);
primitive_cast_impl!(u8, u32);
primitive_cast_impl!(u8, u16);
primitive_cast_impl!(u8, u8);
primitive_cast_impl!(u8, isize);
primitive_cast_impl!(u8, usize);

primitive_cast_impl!(usize, f64);
primitive_cast_impl!(usize, f32);
primitive_cast_impl!(usize, i64);
primitive_cast_impl!(usize, i32);
primitive_cast_impl!(usize, i16);
primitive_cast_impl!(usize, i8);
primitive_cast_impl!(usize, u64);
primitive_cast_impl!(usize, u32);
primitive_cast_impl!(usize, u16);
primitive_cast_impl!(usize, u8);
primitive_cast_impl!(usize, isize);
primitive_cast_impl!(usize, usize);

primitive_cast_impl!(isize, f64);
primitive_cast_impl!(isize, f32);
primitive_cast_impl!(isize, i64);
primitive_cast_impl!(isize, i32);
primitive_cast_impl!(isize, i16);
primitive_cast_impl!(isize, i8);
primitive_cast_impl!(isize, u64);
primitive_cast_impl!(isize, u32);
primitive_cast_impl!(isize, u16);
primitive_cast_impl!(isize, u8);
primitive_cast_impl!(isize, isize);
primitive_cast_impl!(isize, usize);