numcodecs_zfp

Enum ZfpCompressionMode

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pub enum ZfpCompressionMode {
    Expert {
        min_bits: u32,
        max_bits: u32,
        max_prec: u32,
        min_exp: i32,
    },
    FixedRate {
        rate: f64,
    },
    FixedPrecision {
        precision: u32,
    },
    FixedAccuracy {
        tolerance: f64,
    },
    Reversible,
}
Expand description

ZFP compression mode

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Expert

The most general mode, which can describe all four other modes

Fields

§min_bits: u32

Minimum number of compressed bits used to represent a block

§max_bits: u32

Maximum number of bits used to represent a block

§max_prec: u32

Maximum number of bit planes encoded

§min_exp: i32

Smallest absolute bit plane number encoded.

This parameter applies to floating-point data only and is ignored for integer data.

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FixedRate

In fixed-rate mode, each d-dimensional compressed block of 4^d values is stored using a fixed number of bits. This number of compressed bits per block is amortized over the 4^d values to give a rate of rate = max_bits / 4^d in bits per value.

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§rate: f64

Rate in bits per value

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FixedPrecision

In fixed-precision mode, the number of bits used to encode a block may vary, but the number of bit planes (the precision) encoded for the transform coefficients is fixed.

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§precision: u32

Number of bit planes encoded

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FixedAccuracy

In fixed-accuracy mode, all transform coefficient bit planes up to a minimum bit plane number are encoded. The smallest absolute bit plane number is chosen such that minexp = floor(log2(tolerance)).

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§tolerance: f64

Absolute error tolerance

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Reversible

Lossless per-block compression that preserves integer and floating point bit patterns.

Trait Implementations§

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impl Clone for ZfpCompressionMode

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fn clone(&self) -> ZfpCompressionMode

Returns a copy 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 ZfpCompressionMode

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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<'de> Deserialize<'de> for ZfpCompressionMode

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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 JsonSchema for ZfpCompressionMode

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fn schema_name() -> Cow<'static, str>

The name of the generated JSON Schema. Read more
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fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type. Read more
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fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type. Read more
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fn always_inline_schema() -> bool

Whether JSON Schemas generated for this type should be included directly in parent schemas, rather than being re-used where possible using the $ref keyword. Read more
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impl Serialize for ZfpCompressionMode

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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

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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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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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, 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> 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> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,