[package]
name = "rtx-backend"
version = "1.0.0"
edition = "2024"
rust-version = "1.92"
authors = ["RustyTorch++ Team"]
license = "Apache-2.0"
description = "Backend trait abstraction for RustyTorch++ - Burn-inspired compile-time dispatch"

[dependencies]
# Core utilities
thiserror = "2"
serde = { version = "1.0", features = ["derive"] }

# Numeric types
half = { version = "2.3", features = ["serde"] }
num-traits = "0.2"

[dev-dependencies]
rtx-backend-cpu = { path = "../rtx-backend-cpu" }

# CUDA backend tests require the CUDA toolkit; gate to x86_64 Linux so that
# `cargo test --workspace` works on macOS / non-CUDA hosts.
[target.'cfg(all(target_os = "linux", target_arch = "x86_64"))'.dev-dependencies]
rtx-backend-cuda = { path = "../rtx-backend-cuda", features = ["cuda"] }

# Metal backend (macOS only)
[target.'cfg(target_os = "macos")'.dev-dependencies]
rtx-backend-metal = { path = "../rtx-backend-metal" }
rtx-metal = { path = "../rtx-metal" }

[features]
default = []
std = []

# Feature flags for conditional test compilation
cuda = []
metal = []

[lib]
name = "rtx_backend"
path = "src/lib.rs"

[lints]
workspace = true