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InnerProduct

vsdb::vecdex::distance

Struct InnerProduct 

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pub struct InnerProduct;
Expand description

Inner product distance: -(a . b).

Negated so that higher inner product = lower distance.

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impl Clone for InnerProduct

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fn clone(&self) -> InnerProduct

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for InnerProduct

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for InnerProduct

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fn default() -> InnerProduct

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for InnerProduct

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<S: Scalar> DistanceMetric<S> for InnerProduct

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fn distance(a: &[S], b: &[S]) -> S

Compute the distance between two vectors of equal length.
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impl Serialize for InnerProduct

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> KeyDe for T
where T: DeserializeOwned,

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fn decode_key(bytes: &[u8]) -> Result<T, Box<dyn RucError>>

Decodes a key from a byte slice. Read more
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impl<T> KeyEn for T
where T: Serialize,

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fn try_encode_key(&self) -> Result<Vec<u8>, Box<dyn RucError>>

Attempts to encode the key. Returns Err only if the Serialize implementation is broken — see module-level trust model for details.
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fn encode_key(&self) -> RawBytes

Encodes the key, panicking on failure. Read more
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impl<T> KeyEnDe for T
where T: KeyEn + KeyDe,

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fn try_encode(&self) -> Result<Vec<u8>, Box<dyn RucError>>

Attempts to encode the key. Prefer encode for internal VSDB paths; use this at trust boundaries where a Result is needed.
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fn encode(&self) -> Vec<u8> ⓘ

Encodes the key, panicking on failure. Read more
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fn decode(bytes: &[u8]) -> Result<T, Box<dyn RucError>>

Decodes a key from a byte slice. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> ValueDe for T
where T: DeserializeOwned,

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fn decode_value(bytes: &[u8]) -> Result<T, Box<dyn RucError>>

Decodes a value from a byte slice. Read more
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impl<T> ValueEn for T
where T: Serialize,

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fn try_encode_value(&self) -> Result<Vec<u8>, Box<dyn RucError>>

Attempts to encode the value. Returns Err only if the Serialize implementation is broken.
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fn encode_value(&self) -> RawBytes

Encodes the value, panicking on failure. Read more
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impl<T> ValueEnDe for T
where T: ValueEn + ValueDe,

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fn try_encode(&self) -> Result<Vec<u8>, Box<dyn RucError>>

Attempts to encode the value. Prefer encode for internal VSDB paths; use this at trust boundaries where a Result is needed.
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fn encode(&self) -> Vec<u8> ⓘ

Encodes the value, panicking on failure. Read more
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fn decode(bytes: &[u8]) -> Result<T, Box<dyn RucError>>

Decodes a value from a byte slice. Read more
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,