pytc.solver.jax_xtc_ccsd._contract_vvvv_t2¶

pytc.solver.jax_xtc_ccsd._contract_vvvv_t2(cc, t2_jax, eris, t2new_host)[source]¶: Hybrid contraction of (vv|vv) with t2 (or tau). t2_jax: (nocc, nocc, nvir, nvir) on GPU. eris: NumPy/HDF5 backed. t2new_host: Accumulation target (NumPy).