Method add

cpp/fory/util/float16.h:144–146

  // ---- Arithmetic (computed in float32, rounded back to float16) ----

  [[nodiscard]] static float16_t add(float16_t a, float16_t b) noexcept {
    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());
  }