Function vdequantize

src/core/NEON/NESymm.h:171–182

Dequantize a neon vector holding 16 16-bit quantized values. * * @param[in] qv Input values to be dequantized. * @param[in] qi Quantization information to be used in the computation. * * @return Dequantized values in a neon vector */

 * @return Dequantized values in a neon vector
 */
inline float32x4x4_t vdequantize(const int16x8x2_t &qv, const UniformQuantizationInfo &qi)
{
    const float         scale              = qi.scale;
    const float32x4_t   vscale             = vdupq_n_f32(scale);
    const float32x4x4_t vdequantized_input = {{
        vmulq_f32(vcvtq_f32_s32(vmovl_s16(vget_low_s16(qv.val[0]))), vscale),
        vmulq_f32(vcvtq_f32_s32(vmovl_s16(vget_high_s16(qv.val[0]))), vscale),
        vmulq_f32(vcvtq_f32_s32(vmovl_s16(vget_low_s16(qv.val[1]))), vscale),
        vmulq_f32(vcvtq_f32_s32(vmovl_s16(vget_high_s16(qv.val[1]))), vscale),
    }};
    return vdequantized_input;
}

/** Quantize a neon vector holding 16 floating point values.
 *