C++ (Cpp) vrndqm_f32 Beispiele

Beispiel #1

Datei: vrndqmf32.c Projekt: AlexMioMio/gcc

void test_vrndqmf32 (void)
{
  float32x4_t out_float32x4_t;
  float32x4_t arg0_float32x4_t;

  out_float32x4_t = vrndqm_f32 (arg0_float32x4_t);
}

Beispiel #2

Datei: fmsynth_arm.c Projekt: Lord-Nightmare/libfmsynth

static inline float32x4_t floor_neon(float32x4_t a)
{
#if __ARM_ARCH >= 8
   return vrndqm_f32(a);
#else
   const float32x4_t round32 = vdupq_n_f32(12582912.0f);
   const float32x4_t vhalf = vdupq_n_f32(0.5f);

   float32x4_t rounded = vsubq_f32(vaddq_f32(a, round32), round32);
   uint32x4_t mask = vceqq_f32(a, rounded);

   float32x4_t floored = vsubq_f32(vaddq_f32(vsubq_f32(a, vhalf), round32), round32);
   return vreinterpretq_f32_u32(vorrq_u32(vandq_u32(vreinterpretq_u32_f32(a), mask),
            vbicq_u32(vreinterpretq_u32_f32(floored), mask)));
#endif
}