pytorch

03f1f0cf - Check the availability of MAGMA / cuSOLVER when setting the Linalg backend. (#69826)

Check the availability of MAGMA / cuSOLVER when setting the Linalg backend. (#69826) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/69826 This simplifies the logic needed to handle the defaultBackend flag in linalg functions. cc ngimel jianyuh nikitaved pearu mruberry walterddr IvanYashchuk xwang233 Lezcano Test Plan: Imported from OSS Reviewed By: mikaylagawarecki, ngimel Differential Revision: D33751984 Pulled By: mruberry fbshipit-source-id: 6963820be38d4f2d82ebb5196dfcccf034ad6784 (cherry picked from commit 49c81220160062a05bc10a25d487a1f14a2959cd)