Struct MemoryMappedMatrix

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pub struct MemoryMappedMatrix { /* private fields */ }

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Memory-mapped matrix operations for large datasets

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impl MemoryMappedMatrix

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pub fn new<P: AsRef<Path>>(file_path: P, shape: (usize, usize)) -> Result<Self>

Create memory-mapped matrix from file

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pub fn file_path(&self) -> &Path

Get the file path used for this memory-mapped matrix

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pub fn shape(&self) -> (usize, usize)

Get matrix shape

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pub fn as_slice(&self) -> &[u8] ⓘ

Get raw data slice

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pub fn read_chunk( &self, start_row: usize, end_row: usize, ) -> Result<Array2<Float>>

Read a chunk of the matrix

Auto Trait Implementations§

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impl UnwindSafe for MemoryMappedMatrix

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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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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