Made linear algebra always build, but with a warning if no custom atlas
Made linear algebra always build, but with a warning if no custom atlas


Former-commit-id: 149c4fead78688dea7caa0701d1443754e308c30
Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide