diff --git a/linalg/arm64/arm64simd/arm64simd_act_f32_32n.tmpl b/linalg/arm64/arm64simd/arm64simd_act_f32_32n.tmpl
index 15b1ea7ff4..3b85f31668 100644
--- a/linalg/arm64/arm64simd/arm64simd_act_f32_32n.tmpl
+++ b/linalg/arm64/arm64simd/arm64simd_act_f32_32n.tmpl
@@ -69,11 +69,33 @@
 .max:
     b           .unsupported
 .add_const:
-    b           .unsupported
+    ins         v24.s[0], w3
+    add         x5, x5, 4
+    dup         v24.4s, v24.s[0]
+    fadd        v0.4s, v0.4s, v24.4s
+    fadd        v1.4s, v1.4s, v24.4s
+    fadd        v2.4s, v2.4s, v24.4s
+    fadd        v3.4s, v3.4s, v24.4s
+    fadd        v4.4s, v4.4s, v24.4s
+    fadd        v5.4s, v5.4s, v24.4s
+    fadd        v6.4s, v6.4s, v24.4s
+    fadd        v7.4s, v7.4s, v24.4s
+    b .inner_loop
 .sub_const:
     b           .unsupported
 .mul_const:
-    b           .unsupported
+    ins         v24.s[0], w3
+    add         x5, x5, 4
+    dup         v24.4s, v24.s[0]
+    fmul        v0.4s, v0.4s, v24.4s
+    fmul        v1.4s, v1.4s, v24.4s
+    fmul        v2.4s, v2.4s, v24.4s
+    fmul        v3.4s, v3.4s, v24.4s
+    fmul        v4.4s, v4.4s, v24.4s
+    fmul        v5.4s, v5.4s, v24.4s
+    fmul        v6.4s, v6.4s, v24.4s
+    fmul        v7.4s, v7.4s, v24.4s
+    b .inner_loop
 .min_const:
     b           .unsupported
 
diff --git a/linalg/src/frame/activations/tests.rs b/linalg/src/frame/activations/tests.rs
index 1e91ab414a..795f4837b5 100644
--- a/linalg/src/frame/activations/tests.rs
+++ b/linalg/src/frame/activations/tests.rs
@@ -56,6 +56,20 @@ macro_rules! act_tests {
                     }
                 }
 
+                #[test]
+                fn add_const_prop(alpha in any::<$ti>(), x in x_strat()) {
+                    if $cond {
+                        run_kernel_test::<$ti, $ker>(&x, &[AddConst(alpha)], |x| x + alpha);
+                    }
+                }
+
+                #[test]
+                fn mul_const_prop(alpha in any::<$ti>(), x in x_strat()) {
+                    if $cond {
+                        run_kernel_test::<$ti, $ker>(&x, &[MulConst(alpha)], |x| x * alpha);
+                    }
+                }
+
                 #[test]
                 fn max_const_prop(alpha in any::<$ti>(), x in x_strat()) {
                     if $cond {
@@ -97,6 +111,17 @@ macro_rules! act_tests {
                         );
                     }
                 }
+
+                #[test]
+                fn affine_prop(x in x_strat(), alpha in any::<$ti>(), beta in any::<$ti>()) {
+                    if $cond {
+                        run_kernel_test::<$ti, $ker>(
+                            &x,
+                            &$crate::frame::activations::definitions::affine(alpha, beta).ops,
+                            |x| x * alpha + beta
+                        );
+                    }
+                }
             }
             /*
             prop_act_e2e!($cond, $ti, $ker, affine(alpha, beta));