| /* |
| * 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 <ztest.h> |
| #include <zephyr.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)2) |
| |
| void test_arm_linear_interp_q15(void) |
| { |
| size_t index; |
| size_t length = ARRAY_SIZE(ref_linear); |
| 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++) { |
| /* |
| * FIXME: Remove the cast below once the upstream CMSIS is |
| * fixed to specify the const qualifier. |
| */ |
| output[index] = arm_linear_interp_q15((q15_t *)in_linear_y, |
| in_linear_x[index], |
| ARRAY_SIZE(in_linear_y)); |
| } |
| |
| /* Validate output */ |
| zassert_true( |
| test_snr_error_q15(length, output, ref_linear, |
| SNR_ERROR_THRESH), |
| ASSERT_MSG_SNR_LIMIT_EXCEED); |
| |
| zassert_true( |
| test_near_equal_q15(length, output, ref_linear, |
| ABS_ERROR_THRESH), |
| ASSERT_MSG_ABS_ERROR_LIMIT_EXCEED); |
| |
| /* Free output buffer */ |
| free(output); |
| } |
| |
| void test_arm_bilinear_interp_q15(void) |
| { |
| arm_bilinear_interp_instance_q15 inst; |
| size_t index; |
| size_t length = ARRAY_SIZE(ref_bilinear); |
| q15_t *output; |
| |
| /* Initialise instance */ |
| inst.numRows = in_bilinear_config[1]; |
| inst.numCols = in_bilinear_config[0]; |
| inst.pData = (q15_t *)in_bilinear_y; |
| |
| /* 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_bilinear_interp_q15( |
| &inst, |
| in_bilinear_x[2 * index], |
| in_bilinear_x[2 * index + 1] |
| ); |
| } |
| |
| /* Validate output */ |
| zassert_true( |
| test_snr_error_q15(length, output, ref_bilinear, |
| SNR_ERROR_THRESH), |
| ASSERT_MSG_SNR_LIMIT_EXCEED); |
| |
| zassert_true( |
| test_near_equal_q15(length, output, ref_bilinear, |
| ABS_ERROR_THRESH), |
| ASSERT_MSG_ABS_ERROR_LIMIT_EXCEED); |
| |
| /* Free output buffer */ |
| free(output); |
| } |
| |
| void test_interpolation_q15(void) |
| { |
| ztest_test_suite(interpolation_q15, |
| ztest_unit_test(test_arm_linear_interp_q15), |
| ztest_unit_test(test_arm_bilinear_interp_q15) |
| ); |
| |
| ztest_run_test_suite(interpolation_q15); |
| } |