Function polars::export::arrow::compute::arithmetics::basic::overflowing_mul

pub fn overflowing_mul<T>(
    lhs: &PrimitiveArray<T>, 
    rhs: &PrimitiveArray<T>
) -> (PrimitiveArray<T>, Bitmap) where
    T: NativeArithmetics + OverflowingMul<Output = T>, 

This is supported on crate feature compute_arithmetics only.

Overflowing multiplication of two primitive arrays. If the result from the mul overflows, the result for the operation will be an array with overflowed values and a validity array indicating the overflowing elements from the array.

Examples

use arrow2::compute::arithmetics::basic::overflowing_mul;
use arrow2::array::Int8Array;

let a = Int8Array::from(&[Some(1i8), Some(-100i8)]);
let b = Int8Array::from(&[Some(1i8), Some(100i8)]);
let (result, overflow) = overflowing_mul(&a, &b);
let expected = Int8Array::from(&[Some(1i8), Some(-16i8)]);
assert_eq!(result, expected);