Function broadcast_in_dim_extent_error 

pub fn broadcast_in_dim_extent_error(
    input: &[usize],
    output: &[usize],
    dims: &[usize],
) -> Option<BroadcastError>

Find a broadcast extent failure for an already structurally validated BroadcastInDim mapping.

Structural mapping failures (wrong dimension count, an out-of-range axis, or a duplicate axis) remain the caller’s axis/rank validation errors. This helper owns only the shared rank/extent cases represented by BroadcastError, so eager and traced callers can feed the result through broadcast_error_to_validation.

Examples

use tenferro_ops::broadcast::{broadcast_in_dim_extent_error, BroadcastError};

let error = broadcast_in_dim_extent_error(&[2, 3], &[2, 4], &[0, 1]);
assert!(matches!(error, Some(BroadcastError::IncompatibleInput { .. })));