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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/num-traits/src/ops/wrapping.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/num-traits/src/ops/wrapping.rs')
-rw-r--r--vendor/num-traits/src/ops/wrapping.rs327
1 files changed, 0 insertions, 327 deletions
diff --git a/vendor/num-traits/src/ops/wrapping.rs b/vendor/num-traits/src/ops/wrapping.rs
deleted file mode 100644
index 3a8b331..0000000
--- a/vendor/num-traits/src/ops/wrapping.rs
+++ /dev/null
@@ -1,327 +0,0 @@
-use core::num::Wrapping;
-use core::ops::{Add, Mul, Neg, Shl, Shr, Sub};
-
-macro_rules! wrapping_impl {
- ($trait_name:ident, $method:ident, $t:ty) => {
- impl $trait_name for $t {
- #[inline]
- fn $method(&self, v: &Self) -> Self {
- <$t>::$method(*self, *v)
- }
- }
- };
- ($trait_name:ident, $method:ident, $t:ty, $rhs:ty) => {
- impl $trait_name<$rhs> for $t {
- #[inline]
- fn $method(&self, v: &$rhs) -> Self {
- <$t>::$method(*self, *v)
- }
- }
- };
-}
-
-/// Performs addition that wraps around on overflow.
-pub trait WrappingAdd: Sized + Add<Self, Output = Self> {
- /// Wrapping (modular) addition. Computes `self + other`, wrapping around at the boundary of
- /// the type.
- fn wrapping_add(&self, v: &Self) -> Self;
-}
-
-wrapping_impl!(WrappingAdd, wrapping_add, u8);
-wrapping_impl!(WrappingAdd, wrapping_add, u16);
-wrapping_impl!(WrappingAdd, wrapping_add, u32);
-wrapping_impl!(WrappingAdd, wrapping_add, u64);
-wrapping_impl!(WrappingAdd, wrapping_add, usize);
-wrapping_impl!(WrappingAdd, wrapping_add, u128);
-
-wrapping_impl!(WrappingAdd, wrapping_add, i8);
-wrapping_impl!(WrappingAdd, wrapping_add, i16);
-wrapping_impl!(WrappingAdd, wrapping_add, i32);
-wrapping_impl!(WrappingAdd, wrapping_add, i64);
-wrapping_impl!(WrappingAdd, wrapping_add, isize);
-wrapping_impl!(WrappingAdd, wrapping_add, i128);
-
-/// Performs subtraction that wraps around on overflow.
-pub trait WrappingSub: Sized + Sub<Self, Output = Self> {
- /// Wrapping (modular) subtraction. Computes `self - other`, wrapping around at the boundary
- /// of the type.
- fn wrapping_sub(&self, v: &Self) -> Self;
-}
-
-wrapping_impl!(WrappingSub, wrapping_sub, u8);
-wrapping_impl!(WrappingSub, wrapping_sub, u16);
-wrapping_impl!(WrappingSub, wrapping_sub, u32);
-wrapping_impl!(WrappingSub, wrapping_sub, u64);
-wrapping_impl!(WrappingSub, wrapping_sub, usize);
-wrapping_impl!(WrappingSub, wrapping_sub, u128);
-
-wrapping_impl!(WrappingSub, wrapping_sub, i8);
-wrapping_impl!(WrappingSub, wrapping_sub, i16);
-wrapping_impl!(WrappingSub, wrapping_sub, i32);
-wrapping_impl!(WrappingSub, wrapping_sub, i64);
-wrapping_impl!(WrappingSub, wrapping_sub, isize);
-wrapping_impl!(WrappingSub, wrapping_sub, i128);
-
-/// Performs multiplication that wraps around on overflow.
-pub trait WrappingMul: Sized + Mul<Self, Output = Self> {
- /// Wrapping (modular) multiplication. Computes `self * other`, wrapping around at the boundary
- /// of the type.
- fn wrapping_mul(&self, v: &Self) -> Self;
-}
-
-wrapping_impl!(WrappingMul, wrapping_mul, u8);
-wrapping_impl!(WrappingMul, wrapping_mul, u16);
-wrapping_impl!(WrappingMul, wrapping_mul, u32);
-wrapping_impl!(WrappingMul, wrapping_mul, u64);
-wrapping_impl!(WrappingMul, wrapping_mul, usize);
-wrapping_impl!(WrappingMul, wrapping_mul, u128);
-
-wrapping_impl!(WrappingMul, wrapping_mul, i8);
-wrapping_impl!(WrappingMul, wrapping_mul, i16);
-wrapping_impl!(WrappingMul, wrapping_mul, i32);
-wrapping_impl!(WrappingMul, wrapping_mul, i64);
-wrapping_impl!(WrappingMul, wrapping_mul, isize);
-wrapping_impl!(WrappingMul, wrapping_mul, i128);
-
-macro_rules! wrapping_unary_impl {
- ($trait_name:ident, $method:ident, $t:ty) => {
- impl $trait_name for $t {
- #[inline]
- fn $method(&self) -> $t {
- <$t>::$method(*self)
- }
- }
- };
-}
-
-/// Performs a negation that does not panic.
-pub trait WrappingNeg: Sized {
- /// Wrapping (modular) negation. Computes `-self`,
- /// wrapping around at the boundary of the type.
- ///
- /// Since unsigned types do not have negative equivalents
- /// all applications of this function will wrap (except for `-0`).
- /// For values smaller than the corresponding signed type's maximum
- /// the result is the same as casting the corresponding signed value.
- /// Any larger values are equivalent to `MAX + 1 - (val - MAX - 1)` where
- /// `MAX` is the corresponding signed type's maximum.
- ///
- /// ```
- /// use num_traits::WrappingNeg;
- ///
- /// assert_eq!(100i8.wrapping_neg(), -100);
- /// assert_eq!((-100i8).wrapping_neg(), 100);
- /// assert_eq!((-128i8).wrapping_neg(), -128); // wrapped!
- /// ```
- fn wrapping_neg(&self) -> Self;
-}
-
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, u8);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, u16);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, u32);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, u64);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, usize);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, u128);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, i8);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, i16);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, i32);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, i64);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, isize);
-wrapping_unary_impl!(WrappingNeg, wrapping_neg, i128);
-
-macro_rules! wrapping_shift_impl {
- ($trait_name:ident, $method:ident, $t:ty) => {
- impl $trait_name for $t {
- #[inline]
- fn $method(&self, rhs: u32) -> $t {
- <$t>::$method(*self, rhs)
- }
- }
- };
-}
-
-/// Performs a left shift that does not panic.
-pub trait WrappingShl: Sized + Shl<usize, Output = Self> {
- /// Panic-free bitwise shift-left; yields `self << mask(rhs)`,
- /// where `mask` removes any high order bits of `rhs` that would
- /// cause the shift to exceed the bitwidth of the type.
- ///
- /// ```
- /// use num_traits::WrappingShl;
- ///
- /// let x: u16 = 0x0001;
- ///
- /// assert_eq!(WrappingShl::wrapping_shl(&x, 0), 0x0001);
- /// assert_eq!(WrappingShl::wrapping_shl(&x, 1), 0x0002);
- /// assert_eq!(WrappingShl::wrapping_shl(&x, 15), 0x8000);
- /// assert_eq!(WrappingShl::wrapping_shl(&x, 16), 0x0001);
- /// ```
- fn wrapping_shl(&self, rhs: u32) -> Self;
-}
-
-wrapping_shift_impl!(WrappingShl, wrapping_shl, u8);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, u16);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, u32);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, u64);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, usize);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, u128);
-
-wrapping_shift_impl!(WrappingShl, wrapping_shl, i8);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, i16);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, i32);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, i64);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, isize);
-wrapping_shift_impl!(WrappingShl, wrapping_shl, i128);
-
-/// Performs a right shift that does not panic.
-pub trait WrappingShr: Sized + Shr<usize, Output = Self> {
- /// Panic-free bitwise shift-right; yields `self >> mask(rhs)`,
- /// where `mask` removes any high order bits of `rhs` that would
- /// cause the shift to exceed the bitwidth of the type.
- ///
- /// ```
- /// use num_traits::WrappingShr;
- ///
- /// let x: u16 = 0x8000;
- ///
- /// assert_eq!(WrappingShr::wrapping_shr(&x, 0), 0x8000);
- /// assert_eq!(WrappingShr::wrapping_shr(&x, 1), 0x4000);
- /// assert_eq!(WrappingShr::wrapping_shr(&x, 15), 0x0001);
- /// assert_eq!(WrappingShr::wrapping_shr(&x, 16), 0x8000);
- /// ```
- fn wrapping_shr(&self, rhs: u32) -> Self;
-}
-
-wrapping_shift_impl!(WrappingShr, wrapping_shr, u8);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, u16);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, u32);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, u64);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, usize);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, u128);
-
-wrapping_shift_impl!(WrappingShr, wrapping_shr, i8);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, i16);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, i32);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, i64);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, isize);
-wrapping_shift_impl!(WrappingShr, wrapping_shr, i128);
-
-// Well this is a bit funny, but all the more appropriate.
-impl<T: WrappingAdd> WrappingAdd for Wrapping<T>
-where
- Wrapping<T>: Add<Output = Wrapping<T>>,
-{
- fn wrapping_add(&self, v: &Self) -> Self {
- Wrapping(self.0.wrapping_add(&v.0))
- }
-}
-impl<T: WrappingSub> WrappingSub for Wrapping<T>
-where
- Wrapping<T>: Sub<Output = Wrapping<T>>,
-{
- fn wrapping_sub(&self, v: &Self) -> Self {
- Wrapping(self.0.wrapping_sub(&v.0))
- }
-}
-impl<T: WrappingMul> WrappingMul for Wrapping<T>
-where
- Wrapping<T>: Mul<Output = Wrapping<T>>,
-{
- fn wrapping_mul(&self, v: &Self) -> Self {
- Wrapping(self.0.wrapping_mul(&v.0))
- }
-}
-impl<T: WrappingNeg> WrappingNeg for Wrapping<T>
-where
- Wrapping<T>: Neg<Output = Wrapping<T>>,
-{
- fn wrapping_neg(&self) -> Self {
- Wrapping(self.0.wrapping_neg())
- }
-}
-impl<T: WrappingShl> WrappingShl for Wrapping<T>
-where
- Wrapping<T>: Shl<usize, Output = Wrapping<T>>,
-{
- fn wrapping_shl(&self, rhs: u32) -> Self {
- Wrapping(self.0.wrapping_shl(rhs))
- }
-}
-impl<T: WrappingShr> WrappingShr for Wrapping<T>
-where
- Wrapping<T>: Shr<usize, Output = Wrapping<T>>,
-{
- fn wrapping_shr(&self, rhs: u32) -> Self {
- Wrapping(self.0.wrapping_shr(rhs))
- }
-}
-
-#[test]
-fn test_wrapping_traits() {
- fn wrapping_add<T: WrappingAdd>(a: T, b: T) -> T {
- a.wrapping_add(&b)
- }
- fn wrapping_sub<T: WrappingSub>(a: T, b: T) -> T {
- a.wrapping_sub(&b)
- }
- fn wrapping_mul<T: WrappingMul>(a: T, b: T) -> T {
- a.wrapping_mul(&b)
- }
- fn wrapping_neg<T: WrappingNeg>(a: T) -> T {
- a.wrapping_neg()
- }
- fn wrapping_shl<T: WrappingShl>(a: T, b: u32) -> T {
- a.wrapping_shl(b)
- }
- fn wrapping_shr<T: WrappingShr>(a: T, b: u32) -> T {
- a.wrapping_shr(b)
- }
- assert_eq!(wrapping_add(255, 1), 0u8);
- assert_eq!(wrapping_sub(0, 1), 255u8);
- assert_eq!(wrapping_mul(255, 2), 254u8);
- assert_eq!(wrapping_neg(255), 1u8);
- assert_eq!(wrapping_shl(255, 8), 255u8);
- assert_eq!(wrapping_shr(255, 8), 255u8);
- assert_eq!(wrapping_add(255, 1), (Wrapping(255u8) + Wrapping(1u8)).0);
- assert_eq!(wrapping_sub(0, 1), (Wrapping(0u8) - Wrapping(1u8)).0);
- assert_eq!(wrapping_mul(255, 2), (Wrapping(255u8) * Wrapping(2u8)).0);
- assert_eq!(wrapping_neg(255), (-Wrapping(255u8)).0);
- assert_eq!(wrapping_shl(255, 8), (Wrapping(255u8) << 8).0);
- assert_eq!(wrapping_shr(255, 8), (Wrapping(255u8) >> 8).0);
-}
-
-#[test]
-fn wrapping_is_wrappingadd() {
- fn require_wrappingadd<T: WrappingAdd>(_: &T) {}
- require_wrappingadd(&Wrapping(42));
-}
-
-#[test]
-fn wrapping_is_wrappingsub() {
- fn require_wrappingsub<T: WrappingSub>(_: &T) {}
- require_wrappingsub(&Wrapping(42));
-}
-
-#[test]
-fn wrapping_is_wrappingmul() {
- fn require_wrappingmul<T: WrappingMul>(_: &T) {}
- require_wrappingmul(&Wrapping(42));
-}
-
-#[test]
-fn wrapping_is_wrappingneg() {
- fn require_wrappingneg<T: WrappingNeg>(_: &T) {}
- require_wrappingneg(&Wrapping(42));
-}
-
-#[test]
-fn wrapping_is_wrappingshl() {
- fn require_wrappingshl<T: WrappingShl>(_: &T) {}
- require_wrappingshl(&Wrapping(42));
-}
-
-#[test]
-fn wrapping_is_wrappingshr() {
- fn require_wrappingshr<T: WrappingShr>(_: &T) {}
- require_wrappingshr(&Wrapping(42));
-}