gonum.org/v1/gonum@v0.15.1-0.20240517103525-f853624cb1bb/spatial/r3 (about) box.go box_test.go doc.go euler_example_test.go icosahedron_example_test.go mat.go mat_safe.go mat_test.go mat_unsafe.go rotation.go slerp_example_test.go triangle.go triangle_test.go vector.go vector_test.go