pub fn from_readable(mut readable: impl Read) -> Result<Self, Error> {
        let mut buffer: [u8; 4] = [0u8; 4];
        // skip first 8 bytes;
        readable.read_exact(&mut [0; 8])?;

        readable.read_exact(&mut buffer)?;
        let depth = i32::from_le_bytes(buffer) as usize;

        let pred_size: usize = match 2usize.checked_pow(depth as u32) {
            Some(value) => value,
            None => return Err(Error::new(ErrorKind::Other, "depth overflow")),
        };
        // first node appended from code
        let tree_size = pred_size - 1;

        readable.read_exact(&mut buffer)?;
        let ntrees = i32::from_le_bytes(buffer) as usize;

        let mut trees: Vec<Tree> = Vec::with_capacity(ntrees);

        for _ in 0..ntrees {
            let mut nodes = Vec::with_capacity(tree_size);
            let mut predictions = Vec::with_capacity(pred_size);
            nodes.push(ComparisonNode::new([0, 0, 0, 0]));

            for _ in 0..tree_size {
                readable.read_exact(&mut buffer)?;
                nodes.push(ComparisonNode::from_buffer(&buffer));
            }

            for _ in 0..pred_size {
                readable.read_exact(&mut buffer)?;
                predictions.push(f32::from_le_bytes(buffer));
            }

            readable.read_exact(&mut buffer)?;
            let threshold = f32::from_le_bytes(buffer);
            trees.push(Tree {
                nodes,
                predictions,
                threshold,
            });
        }

        Ok(Self {
            depth,
            dsize: pred_size,
            trees,
        })
    }
/// Create a detector object from a readable source.
Create a detector object from a readable source.
Create a detector object from a readable source .
pub fn from_readable(mut readable: impl Read) -> Result<Self, Error> {
        let mut buffer: [u8; 4] = [0u8; 4];
        // skip first 8 bytes;
        readable.read_exact(&mut [0; 8])?;
        readable.read_exact(&mut buffer)?;
        let depth = i32::from_le_bytes(buffer) as usize;
        let pred_size: usize = match 2usize.checked_pow(depth as u32) {
            Some(value) => value,
            None => return Err(Error::new(ErrorKind::Other, "depth overflow")),
        };
        // first node appended from code
        let tree_size = pred_size - 1;
        readable.read_exact(&mut buffer)?;
        let ntrees = i32::from_le_bytes(buffer) as usize;
        let mut trees: Vec<Tree> = Vec::with_capacity(ntrees);
        for _ in 0..ntrees {
            let mut nodes = Vec::with_capacity(tree_size);
            let mut predictions = Vec::with_capacity(pred_size);
            nodes.push(ComparisonNode::new([0, 0, 0, 0]));
            for _ in 0..tree_size {
                readable.read_exact(&mut buffer)?;
                nodes.push(ComparisonNode::from_buffer(&buffer));
            }
            for _ in 0..pred_size {
                readable.read_exact(&mut buffer)?;
                predictions.push(f32::from_le_bytes(buffer));
            }
            readable.read_exact(&mut buffer)?;
            let threshold = f32::from_le_bytes(buffer);
            trees.push(Tree {
                nodes,
                predictions,
                threshold,
            });
        }
        Ok(Self {
            depth,
            dsize: pred_size,
            trees,
        })
    }
pub fn from_readable ( mut readable : impl Read ) -> Result < Self , Error > { let mut buffer : [ u8 ; 4 ] = [ 0u8 ; 4 ] ; // skip first 8 bytes; readable . read_exact ( & mut [ 0 ; 8 ] ) ? ; readable . read_exact ( & mut buffer ) ? ; let depth = i32 :: from_le_bytes ( buffer ) as usize ; let pred_size : usize = match 2usize . checked_pow ( depth as u32 ) { Some ( value ) => value , None => return Err ( Error :: new ( ErrorKind :: Other , " " ) ) , } ; // first node appended from code let tree_size = pred_size - 1 ; readable . read_exact ( & mut buffer ) ? ; let ntrees = i32 :: from_le_bytes ( buffer ) as usize ; let mut trees : Vec < Tree > = Vec :: with_capacity ( ntrees ) ; for _ in 0 .. ntrees { let mut nodes = Vec :: with_capacity ( tree_size ) ; let mut predictions = Vec :: with_capacity ( pred_size ) ; nodes . push ( ComparisonNode :: new ( [ 0 , 0 , 0 , 0 ] ) ) ; for _ in 0 .. tree_size { readable . read_exact ( & mut buffer ) ? ; nodes . push ( ComparisonNode :: from_buffer ( & buffer ) ) ; } for _ in 0 .. pred_size { readable . read_exact ( & mut buffer ) ? ; predictions . push ( f32 :: from_le_bytes ( buffer ) ) ; } readable . read_exact ( & mut buffer ) ? ; let threshold = f32 :: from_le_bytes ( buffer ) ; trees . push ( Tree { nodes , predictions , threshold , } ) ; } Ok ( Self { depth , dsize : pred_size , trees , } ) }
Create a detector object from a readable source.
Create a detector object from a readable source .
readable
impl Read
readable
impl Read