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Showing content from http://arrayfire.github.io/arrayfire-rust/arrayfire/fn.product_by_key_nan.html below:

arrayfire::product_by_key_nan - Rust

pub fn product_by_key_nan<KeyType, ValueType>(
    keys: &Array<KeyType>, 
    vals: &Array<ValueType>, 
    dim: i32, 
    replace_value: f64
) -> (Array<KeyType>, Array<ValueType::ProductOutType>) where
    KeyType: ReduceByKeyInput,
    ValueType: HasAfEnum,
    ValueType::ProductOutType: HasAfEnum, 

Compute product of all values with similar keys along a given dimension

This version of sum by key can replaced all NaN values in the input with a user provided value before performing the reduction operation.

• keys - key Array
• vals - value Array
• dim - Dimension along which the input Array is reduced

Tuple of Arrays, with output keys and values after reduction

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