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/* Copyright 2022. TU Graz. Institute of Biomedical Imaging.
* All rights reserved. Use of this source code is governed by
* a BSD-style license which can be found in the LICENSE file.
*
* Author:
* Nick Scholand
*/
#include <complex.h>
#include "misc/debug.h"
#include "num/flpmath.h"
#include "num/multind.h"
#include "num/specfun.h"
#include "utest.h"
static bool test_sine_integral(void)
{
double tests[][2] = { { 0., 0. },
{ 1., 0.946083 },
{ M_PI, 1.851937 }, /* Wilbraham-Gibbs constant*/
{ 10, 1.658348 },
{ 100, 1.562226 }
};
for (unsigned int i = 0; i < ARRAY_SIZE(tests); i++) {
if ((Si(tests[i][0]) - tests[i][1]) > 10E-5)
return 0;
// Test for Si(-z) = -Si(z)
}
return 1;
}
UT_REGISTER_TEST(test_sine_integral);
static bool test_complex_log(void)
{
enum { N = 1 };
long dims[N] = { 1 };
complex float in[N] = { 2.5 };
complex float out[N] = { 0. };
float ref = 0.916291; // Wolfram alpha -> log(2.5)
md_zlog(N, dims, out, in);
// debug_printf(DP_INFO, "Ref: %f\t, Estimate: %f\n", ref, cabsf(out[0]));
if ( cabsf(out[0] - ref) > 10E-6)
return 0;
return 1;
}
UT_REGISTER_TEST(test_complex_log);
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