Struct CoeffAnalysis

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pub struct CoeffAnalysis {
    pub total_coeffs: u64,
    pub zero_count: u64,
    pub nonzero_count: u64,
    pub dc_sum: i64,
    pub ac_sum: i64,
    pub max_abs: u32,
}

Expand description

Analyze coefficient distribution.

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§total_coeffs: u64

Total coefficients analyzed.

§zero_count: u64

Zero coefficients.

§nonzero_count: u64

Non-zero coefficients.

§dc_sum: i64

DC coefficient sum.

§ac_sum: i64

AC coefficient sum.

§max_abs: u32

Maximum absolute value.

Implementations§

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impl CoeffAnalysis

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pub const fn new() -> Self

Create new analysis.

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pub fn analyze(&mut self, buffer: &CoeffBuffer)

Analyze a coefficient buffer.

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pub fn sparsity(&self) -> f64

Get sparsity ratio (percentage of zeros).

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pub fn avg_dc(&self) -> f64

Get average DC value.

Trait Implementations§

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impl Clone for CoeffAnalysis

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fn clone(&self) -> CoeffAnalysis

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 CoeffAnalysis

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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 CoeffAnalysis

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fn default() -> CoeffAnalysis

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for CoeffAnalysis

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, U> Into 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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