OmenHeader

omendb_core::omen

Struct OmenHeader 

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pub struct OmenHeader {
Show 15 fields
    pub version_major: u16,
    pub version_minor: u16,
    pub flags: u64,
    pub dimensions: u32,
    pub count: u64,
    pub quantization: QuantizationCode,
    pub distance_fn: Metric,
    pub m: u16,
    pub ef_construction: u16,
    pub ef_search: u16,
    pub max_level: u8,
    pub entry_point: u32,
    pub sections: [SectionEntry; 8],
    pub header_checksum: u32,
    pub data_checksum: u32,

}
Expand description

.omen file header

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§version_major: u16§version_minor: u16§flags: u64§dimensions: u32§count: u64§quantization: QuantizationCode§distance_fn: Metric§m: u16§ef_construction: u16§ef_search: u16§max_level: u8§entry_point: u32§sections: [SectionEntry; 8]§header_checksum: u32§data_checksum: u32

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impl OmenHeader

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pub fn new(dimensions: u32) -> Self

Create a new header with the given dimensions

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pub fn to_bytes(&self) -> [u8; 4096]

Serialize header to bytes (4KB)

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pub fn from_bytes(buf: &[u8; 4096]) -> Result<Self>

Parse header from bytes

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pub fn get_section(&self, section_type: SectionType) -> Option<&SectionEntry>

Get section by type

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pub fn set_section(&mut self, entry: SectionEntry)

Set section entry

Trait Implementations§

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impl Clone for OmenHeader

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fn clone(&self) -> OmenHeader

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 OmenHeader

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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 OmenHeader

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fn default() -> Self

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

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
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