Method sub

cpp/fory/util/float16.h:147–149

    return from_float(a.to_float() + b.to_float());
  }
  [[nodiscard]] static float16_t sub(float16_t a, float16_t b) noexcept {
    return from_float(a.to_float() - b.to_float());
  }
  [[nodiscard]] static float16_t mul(float16_t a, float16_t b) noexcept {
    return from_float(a.to_float() * b.to_float());
  }