NEON utilities

// global functions

float32x2_t
cv_vrecp_f32(float32x2_t val);

float32x4_t
cv_vrecpq_f32(float32x4_t val);

int32x2_t
cv_vrnd_s32_f32(float32x2_t v);

uint32x2_t
cv_vrnd_u32_f32(float32x2_t v);

int32x4_t
cv_vrndq_s32_f32(float32x4_t v);

uint32x4_t
cv_vrndq_u32_f32(float32x4_t v);

float32x2_t
cv_vrsqrt_f32(float32x2_t val);

float32x4_t
cv_vrsqrtq_f32(float32x4_t val);

float32x2_t
cv_vsqrt_f32(float32x2_t val);

float32x4_t
cv_vsqrtq_f32(float32x4_t val);