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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
#include "testAtan.h"
void datansTest() {
printf(">> Double scalar\n");
printf("datans(0) = %e\n", datans(0.0));
printf("datans(PI) = %e\n", datans(DPI));
printf("datans(PI/2) = %e\n", datans(DPI/2));
printf("datans(PI/3) = %e\n", datans(DPI/3));
printf("datans(PI/4) = %e\n", datans(DPI/4));
printf("datans(PI/6) = %e\n", datans(DPI/6));
printf("datans(-PI) = %e\n", datans(-DPI));
printf("datans(-PI/2) = %e\n", datans(-DPI/2));
printf("datans(-PI/3) = %e\n", datans(-DPI/3));
printf("datans(-PI/4) = %e\n", datans(-DPI/4));
printf("datans(-PI/6) = %e\n", datans(-DPI/6));
}
void zatansTest() {
doubleComplex pi_pi = DoubleComplex(DPI, DPI);
doubleComplex pi_2_pi_2 = DoubleComplex(DPI/2, DPI/2);
doubleComplex pi_2_pi_3 = DoubleComplex(DPI/2, DPI/3);
doubleComplex pi_2_pi_4 = DoubleComplex(DPI/2, DPI/4);
doubleComplex out;
printf(">> Double Complex scalar\n");
out = zatans(pi_pi);
printf("zatans(PI + I*PI) = %e + I * %e\n", zreals(out), zimags(out));
out = zatans(pi_2_pi_2);
printf("zatans(PI/2 + I*PI/2) = %e + I * %e\n", zreals(out), zimags(out));
out = zatans(pi_2_pi_3);
printf("zatans(PI/2 + I*PI/3) = %e + I * %e\n", zreals(out), zimags(out));
out = zatans(pi_2_pi_4);
printf("zatans(PI/2 + I*PI/4) = %e + I * %e\n", zreals(out), zimags(out));
}
void datanaTest(void) {
double out[5];
double in[5] = {DPI, DPI/2, DPI/3, DPI/4, DPI/6};
int i = 0;
printf(">> Double Array\n");
datana(in, 5, out);
for (i = 0 ; i < 5 ; ++i)
printf("satana(array) = %f\n", out[i]);
}
void zatanaTest(void) {
doubleComplex in[4];
doubleComplex out[4];
int i = 0;
in[0] = DoubleComplex(DPI, DPI);
in[1] = DoubleComplex(DPI/2, DPI/2);
in[2] = DoubleComplex(DPI/2, DPI/3);
in[3] = DoubleComplex(DPI/2, DPI/4);
zatana(in, 4, out);
printf(">> Double Complex Array\n");
for (i = 0 ; i < 4 ; ++i)
printf("zatana(array) = %e + I * %e\n", zreals(out[i]), zimags(out[i]));
}
int testAtan() {
printf("\n>>>> Double Arc Tangeant Tests\n");
datansTest();
zatansTest();
datanaTest();
zatanaTest();
return 0;
}
int main() {
assert(testAtan() == 0);
return 0;
}
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