blob: 1ed1f03680e7b53db5ffef318f73bf104f785365 [file] [log] [blame]
/*
* 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/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);
}