diff --git a/src/grad/gradtup_math.jl b/src/gradnum_math/gradtup_math.jl
similarity index 100%
rename from src/grad/gradtup_math.jl
rename to src/gradnum_math/gradtup_math.jl
diff --git a/src/grad/gradvec_math.jl b/src/gradnum_math/gradvec_math.jl
similarity index 100%
rename from src/grad/gradvec_math.jl
rename to src/gradnum_math/gradvec_math.jl
diff --git a/src/grad/tuple_funcs.jl b/src/gradnum_math/tuple_funcs.jl
similarity index 100%
rename from src/grad/tuple_funcs.jl
rename to src/gradnum_math/tuple_funcs.jl