diff --git a/parser/common/parser_fp16_t.h b/parser/common/parser_fp16_t.h
index b489b7e..166112c 100644
--- a/parser/common/parser_fp16_t.h
+++ b/parser/common/parser_fp16_t.h
@@ -133,31 +133,49 @@ constexpr uint16_t kFp16MaxValidExp = 0x001E;
 constexpr uint16_t kFp16MaxMan = 0x03FF;
 /// @ingroup fp16 basic operator
 /// @brief   get sign of fp16
-#define FP16_EXTRAC_SIGN(x) (((x) >> 15) & 1)
+inline uint16_t FP16_EXTRAC_SIGN(const uint16_t x) {
+    return (((x) >> 15) & 1);
+}
 /// @ingroup fp16 basic operator
 /// @brief   get exponent of fp16
-#define FP16_EXTRAC_EXP(x) (((x) >> 10) & kFp16MaxExp)
+inline uint16_t FP16_EXTRAC_EXP(const uint16_t x) {
+    return (((x) >> 10) & kFp16MaxExp);
+}
 /// @ingroup fp16 basic operator
 /// @brief   get mantissa of fp16
-#define FP16_EXTRAC_MAN(x) ((((x) >> 0) & 0x3FF) | (((((x) >> 10) & 0x1F) > 0 ? 1 : 0) * 0x400))
+inline uint16_t FP16_EXTRAC_MAN(const uint16_t x) {
+    return ((((x) >> 0) & 0x3FF) | (((((x) >> 10) & 0x1F) > 0 ? 1 : 0) * 0x400));
+}
 /// @ingroup fp16 basic operator
 /// @brief   constructor of fp16 from sign exponent and mantissa
-#define FP16_CONSTRUCTOR(s, e, m) (((s) << kFp16SignIndex) | ((e) << kFp16ManLen) | ((m) & kFp16MaxMan))
+inline uint16_t FP16_CONSTRUCTOR(const uint16_t s, const uint16_t e, const uint16_t m) {
+    return (((s) << kFp16SignIndex) | ((e) << kFp16ManLen) | ((m) & kFp16MaxMan));
+}
 /// @ingroup fp16 special value judgment
 /// @brief   whether a fp16 is zero
-#define FP16_IS_ZERO(x) (((x) & kFp16AbsMax) == 0)
+inline bool FP16_IS_ZERO(const uint16_t x) {
+    return (((x) & kFp16AbsMax) == 0);
+}
 /// @ingroup fp16 special value judgment
 /// @brief   whether a fp16 is a denormalized value
-#define FP16_IS_DENORM(x) ((((x) & kFp16ExpMask) == 0))
+inline bool FP16_IS_DENORM(const uint16_t x) {
+    return ((((x) & kFp16ExpMask) == 0));
+}
 /// @ingroup fp16 special value judgment
 /// @brief   whether a fp16 is infinite
-#define FP16_IS_INF(x) (((x)&kFp16AbsMax) == kFp16ExpMask)
+inline bool FP16_IS_INF(const uint16_t x) {
+    return (((x)&kFp16AbsMax) == kFp16ExpMask);
+}
 /// @ingroup fp16 special value judgment
 /// @brief   whether a fp16 is NaN
-#define FP16_IS_NAN(x) ((((x) & kFp16ExpMask) == kFp16ExpMask) && ((x) & kFp16ManMask))
+inline bool FP16_IS_NAN(const uint16_t x) {
+    return ((((x) & kFp16ExpMask) == kFp16ExpMask) && ((x) & kFp16ManMask));
+}
 /// @ingroup fp16 special value judgment
 /// @brief   whether a fp16 is invalid
-#define FP16_IS_INVALID(x) (((x) & kFp16ExpMask) == kFp16ExpMask)
+inline bool FP16_IS_INVALID(const uint16_t x) {
+    return (((x) & kFp16ExpMask) == kFp16ExpMask);
+}
 /// @ingroup fp32 basic parameter
 /// @brief   fp32 exponent bias
 constexpr uint16_t kFp32ExpBias = 127U;
@@ -601,7 +619,7 @@ T GetManSum(int16_t e_a, const T &m_a, int16_t e_b, const T &m_b) {
   T sum = 0;
   if (e_a != e_b) {
     T m_tmp = 0;
-    int16_t e_tmp = staic_cast<int16_t>(std::abs(e_a - e_b));
+    int16_t e_tmp = std::abs(e_a - e_b);
     if (e_a > e_b) {
       m_tmp = m_b;
       m_tmp = RightShift(m_tmp, e_tmp);