Function ceil

third-party/embreeSrc/common/math/vec2fa.h:303–303

  //__forceinline Vec2fa trunc(const Vec2fa& a) { return vrndq_f32(a); }
  __forceinline Vec2fa floor(const Vec2fa& a) { return vrndmq_f32(a); }
  __forceinline Vec2fa ceil (const Vec2fa& a) { return vrndpq_f32(a); }
#elif defined (__SSE4_1__)
  //__forceinline Vec2fa trunc( const Vec2fa& a ) { return _mm_round_ps(a, _MM_FROUND_TO_NEAREST_INT); }
  __forceinline Vec2fa floor( const Vec2fa& a ) { return _mm_round_ps(a, _MM_FROUND_TO_NEG_INF    ); }