diff --git a/native/candlex/src/metal_kernels/custom_unary.metal b/native/candlex/src/metal_kernels/custom_unary.metal
index 7f7a7dd..1285d7f 100644
--- a/native/candlex/src/metal_kernels/custom_unary.metal
+++ b/native/candlex/src/metal_kernels/custom_unary.metal
@@ -44,17 +44,29 @@ kernel void FN_NAME##_strided( \
     output[tid] = OUT_TYPE(FN(IN_TYPE(input[get_strided_index(tid, num_dims, dims, strides)]))); \
 }
 
-CUSTOM_UNARY(float, float, acos_f32, acos)
-CUSTOM_UNARY(float, float, acosh_f32, acosh)
-CUSTOM_UNARY(float, float, asin_f32, asin)
-CUSTOM_UNARY(float, float, asinh_f32, asinh)
-CUSTOM_UNARY(float, float, atan_f32, atan)
-CUSTOM_UNARY(float, float, atanh_f32, atanh)
-CUSTOM_UNARY(float, float, cosh_f32, cosh)
-CUSTOM_UNARY(float, float, sign_f32, sign)
+#define CUSTOM_UNARY_OP(FN_NAME, FN) \
+CUSTOM_UNARY(float, float, FN_NAME##_f32, FN);\
+CUSTOM_UNARY(half, half, FN_NAME##_f16, FN);
+
+#define CUSTOM_UNARY_BOOL_OP(FN_NAME, FN) \
+CUSTOM_UNARY(float, uint8_t, FN_NAME##_f32, FN);\
+CUSTOM_UNARY(half, uint8_t, FN_NAME##_f16, FN);
+
+CUSTOM_UNARY_OP(acos, acos)
+CUSTOM_UNARY_OP(acosh, acosh)
+CUSTOM_UNARY_OP(asin, asin)
+CUSTOM_UNARY_OP(asinh, asinh)
+CUSTOM_UNARY_OP(atan, atan)
+CUSTOM_UNARY_OP(atanh, atanh)
+CUSTOM_UNARY_OP(cosh, cosh)
+CUSTOM_UNARY_OP(sign, sign)
+CUSTOM_UNARY_OP(sinh, sinh)
+CUSTOM_UNARY_OP(tan, tan)
+
+CUSTOM_UNARY_BOOL_OP(is_inf, isinf)
+CUSTOM_UNARY_BOOL_OP(is_nan, isnan)
+
 CUSTOM_UNARY(int64_t, int64_t, sign_i64, sign)
-CUSTOM_UNARY(float, float, sinh_f32, sinh)
-CUSTOM_UNARY(float, float, tan_f32, tan)
 CUSTOM_UNARY(uint64_t, uint64_t, bit_not_i64, not)
 CUSTOM_UNARY(uint8_t, uint8_t, bit_not_u8, not)
 
@@ -65,6 +77,3 @@ CUSTOM_UNARY(uint8_t, uint8_t, bit_not_u8, not)
 /* expm1 */
 /* ln_1p */
 /* sigmoid */
-
-CUSTOM_UNARY(float, uint8_t, is_inf_f32, isinf)
-CUSTOM_UNARY(float, uint8_t, is_nan_f32, isnan)