diff options
Diffstat (limited to 'tests/validation/reference/UtilsQuantizedAsymm.h')
-rw-r--r-- | tests/validation/reference/UtilsQuantizedAsymm.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/tests/validation/reference/UtilsQuantizedAsymm.h b/tests/validation/reference/UtilsQuantizedAsymm.h index b7b69d588a..444696c93a 100644 --- a/tests/validation/reference/UtilsQuantizedAsymm.h +++ b/tests/validation/reference/UtilsQuantizedAsymm.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017 ARM Limited. + * Copyright (c) 2017-2019 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -21,8 +21,8 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ -#ifndef __ARM_COMPUTE_TEST_VALIDATION_UTILS_QUANTIZED_ASYMM_H__ -#define __ARM_COMPUTE_TEST_VALIDATION_UTILS_QUANTIZED_ASYMM_H__ +#ifndef ARM_COMPUTE_TEST_VALIDATION_UTILS_QUANTIZED_ASYMM_H +#define ARM_COMPUTE_TEST_VALIDATION_UTILS_QUANTIZED_ASYMM_H #include <cstdint> @@ -51,7 +51,25 @@ inline int32_t asymm_int_mult(int32_t a, int32_t b) int32_t ab_x2_high32 = static_cast<int32_t>((ab_64 + nudge) / (1ll << 31)); return overflow ? std::numeric_limits<int32_t>::max() : ab_x2_high32; } + +/** Quantize down the input value in range [min, max]. */ +inline int32_t quantize_down_scale_by_fixedpoint(int32_t val, int32_t result_mult_int, int32_t result_shift, + int32_t result_offset_after_shift, int32_t min, int32_t max) +{ + int32_t res = 0; + if(result_shift < 0) + { + res = asymm_int_mult(val * (1 << (-result_shift)), result_mult_int); + } + else + { + res = asymm_rounding_divide_by_pow2(asymm_int_mult(val, result_mult_int), result_shift); + } + res += result_offset_after_shift; + res = utility::clamp<int32_t>(res, min, max); + return res; +} } // namespace validation } // namespace test } // namespace arm_compute -#endif /* __ARM_COMPUTE_TEST_VALIDATION_UTILS_QUANTIZED_ASYMM_H__ */ +#endif /* ARM_COMPUTE_TEST_VALIDATION_UTILS_QUANTIZED_ASYMM_H */ |