tenferro-einsum 0.3.0

Subscripts, contraction planning, concrete/traced/eager einsum APIs, extension runtime, and AD rule for tenferro.
#[path = "integration/eager_tensor.rs"]
mod eager_tensor;
#[path = "integration/error_public.rs"]
mod error_public;
#[path = "integration/public_surface_contract.rs"]
mod public_surface_contract;
#[path = "integration/runtime_buffer_pool.rs"]
mod runtime_buffer_pool;
#[path = "integration/shape_constraints.rs"]
mod shape_constraints;
#[path = "integration/support.rs"]
mod support;
#[path = "integration/trace_context_einsum.rs"]
mod trace_context_einsum;
#[path = "integration/traced_correctness.rs"]
mod traced_correctness;
#[path = "integration/traced_graph_cache.rs"]
mod traced_graph_cache;
#[path = "integration/webgpu_eager_tensor.rs"]
mod webgpu_eager_tensor;