| /* |
| * Copyright (c) 2021 Stephanos Ioannidis <root@stephanos.io> |
| * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/ztest.h> |
| #include <zephyr/kernel.h> |
| #include <stdlib.h> |
| #include <arm_math.h> |
| #include "../../common/test_common.h" |
| |
| #include "q15.pat" |
| |
| #define SNR_ERROR_THRESH ((float32_t)70) |
| #define ABS_ERROR_THRESH ((q15_t)10) |
| |
| ZTEST_SUITE(fastmath_q15, NULL, NULL, NULL, NULL, NULL); |
| |
| ZTEST(fastmath_q15, test_arm_cos_q15) |
| { |
| size_t index; |
| size_t length = ARRAY_SIZE(in_angles); |
| q15_t *output; |
| |
| /* Allocate output buffer */ |
| output = malloc(length * sizeof(q15_t)); |
| zassert_not_null(output, ASSERT_MSG_BUFFER_ALLOC_FAILED); |
| |
| /* Run test function */ |
| for (index = 0; index < length; index++) { |
| output[index] = arm_cos_q15(in_angles[index]); |
| } |
| |
| /* Validate output */ |
| zassert_true( |
| test_snr_error_q15(length, output, ref_cos, SNR_ERROR_THRESH), |
| ASSERT_MSG_SNR_LIMIT_EXCEED); |
| |
| zassert_true( |
| test_near_equal_q15(length, output, ref_cos, ABS_ERROR_THRESH), |
| ASSERT_MSG_ABS_ERROR_LIMIT_EXCEED); |
| |
| /* Free output buffer */ |
| free(output); |
| } |
| |
| ZTEST(fastmath_q15, test_arm_sin_q15) |
| { |
| size_t index; |
| size_t length = ARRAY_SIZE(in_angles); |
| q15_t *output; |
| |
| /* Allocate output buffer */ |
| output = malloc(length * sizeof(q15_t)); |
| zassert_not_null(output, ASSERT_MSG_BUFFER_ALLOC_FAILED); |
| |
| /* Run test function */ |
| for (index = 0; index < length; index++) { |
| output[index] = arm_sin_q15(in_angles[index]); |
| } |
| |
| /* Validate output */ |
| zassert_true( |
| test_snr_error_q15(length, output, ref_sin, SNR_ERROR_THRESH), |
| ASSERT_MSG_SNR_LIMIT_EXCEED); |
| |
| zassert_true( |
| test_near_equal_q15(length, output, ref_sin, ABS_ERROR_THRESH), |
| ASSERT_MSG_ABS_ERROR_LIMIT_EXCEED); |
| |
| /* Free output buffer */ |
| free(output); |
| } |
| |
| ZTEST(fastmath_q15, test_arm_sqrt_q15) |
| { |
| size_t index; |
| size_t length = ARRAY_SIZE(in_sqrt); |
| arm_status status; |
| q15_t *output; |
| |
| /* Allocate output buffer */ |
| output = malloc(length * sizeof(q15_t)); |
| zassert_not_null(output, ASSERT_MSG_BUFFER_ALLOC_FAILED); |
| |
| /* Run test function */ |
| for (index = 0; index < length; index++) { |
| status = arm_sqrt_q15(in_sqrt[index], &output[index]); |
| |
| /* Validate operation status */ |
| if (in_sqrt[index] <= 0) { |
| zassert_equal(status, ARM_MATH_ARGUMENT_ERROR, |
| "square root did fail with an input value " |
| "of '0'"); |
| } else { |
| zassert_equal(status, ARM_MATH_SUCCESS, |
| "square root operation did not succeed"); |
| } |
| } |
| |
| /* Validate output */ |
| zassert_true( |
| test_snr_error_q15(length, output, ref_sqrt, SNR_ERROR_THRESH), |
| ASSERT_MSG_SNR_LIMIT_EXCEED); |
| |
| zassert_true( |
| test_near_equal_q15(length, output, ref_sqrt, |
| ABS_ERROR_THRESH), |
| ASSERT_MSG_ABS_ERROR_LIMIT_EXCEED); |
| |
| /* Free output buffer */ |
| free(output); |
| } |
| |
| ZTEST(fastmath_q15, test_arm_divide_q15) |
| { |
| size_t index; |
| size_t length = ARRAY_SIZE(ref_divide); |
| arm_status status; |
| q15_t *output; |
| uint16_t *shift; |
| |
| /* Allocate output buffer */ |
| output = malloc(length * sizeof(q15_t)); |
| zassert_not_null(output, ASSERT_MSG_BUFFER_ALLOC_FAILED); |
| |
| shift = malloc(length * sizeof(uint16_t)); |
| zassert_not_null(shift, ASSERT_MSG_BUFFER_ALLOC_FAILED); |
| |
| /* Run test function */ |
| for (index = 0; index < length; index++) { |
| status = arm_divide_q15( |
| in_divide_num[index], in_divide_den[index], |
| &output[index], &shift[index]); |
| } |
| |
| /* Validate output */ |
| zassert_true( |
| test_snr_error_q15(length, output, ref_divide, SNR_ERROR_THRESH), |
| ASSERT_MSG_SNR_LIMIT_EXCEED); |
| |
| zassert_true( |
| test_near_equal_q15(length, output, ref_divide, |
| ABS_ERROR_THRESH), |
| ASSERT_MSG_ABS_ERROR_LIMIT_EXCEED); |
| |
| zassert_true( |
| memcmp(shift, ref_divide_shift, |
| length * sizeof(uint16_t)) == 0, |
| ASSERT_MSG_INCORRECT_COMP_RESULT); |
| |
| /* Free output buffer */ |
| free(output); |
| free(shift); |
| } |