1 /* specfunc/test_mathieu.c
3 * Copyright (C) 2003 Lowell Johnson
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /* Author: L. Johnson */
22 #include <gsl/gsl_test.h>
23 #include <gsl/gsl_sf.h>
28 static double c[NVAL];
30 int test_mathieu(void)
33 gsl_sf_mathieu_workspace *work;
37 TEST_SF(s, gsl_sf_mathieu_ce, (0, 0.0, 0.0, &r),
38 0.7071067811865475, TEST_SNGL, GSL_SUCCESS);
39 TEST_SF(s, gsl_sf_mathieu_ce, (0, 0.0, M_PI_2, &r),
40 0.7071067811865475, TEST_SNGL, GSL_SUCCESS);
41 TEST_SF(s, gsl_sf_mathieu_ce, (0, 5.0, 0.0, &r),
42 0.04480018165188902, TEST_SNGL, GSL_SUCCESS);
43 TEST_SF(s, gsl_sf_mathieu_ce, (0, 5.0, M_PI_2, &r),
44 1.334848674698019, TEST_SNGL, GSL_SUCCESS);
45 TEST_SF(s, gsl_sf_mathieu_ce, (0, 10.0, 0.0, &r),
46 0.007626517570935782, TEST_SNGL, GSL_SUCCESS);
47 TEST_SF(s, gsl_sf_mathieu_ce, (0, 10.0, M_PI_2, &r),
48 1.468660470712856, TEST_SNGL, GSL_SUCCESS);
49 TEST_SF(s, gsl_sf_mathieu_ce, (0, 15.0, 0.0, &r),
50 0.001932508315204592, TEST_SNGL, GSL_SUCCESS);
51 TEST_SF(s, gsl_sf_mathieu_ce, (0, 15.0, M_PI_2, &r),
52 1.550108146686649, TEST_SNGL, GSL_SUCCESS);
53 TEST_SF(s, gsl_sf_mathieu_ce, (0, 20.0, 0.0, &r),
54 0.0006037438292242197, TEST_SNGL, GSL_SUCCESS);
55 TEST_SF(s, gsl_sf_mathieu_ce, (0, 20.0, M_PI_2, &r),
56 1.609890857395926, TEST_SNGL, GSL_SUCCESS);
57 TEST_SF(s, gsl_sf_mathieu_ce, (0, 25.0, 0.0, &r),
58 0.0002158630184146612, TEST_SNGL, GSL_SUCCESS);
59 TEST_SF(s, gsl_sf_mathieu_ce, (0, 25.0, M_PI_2, &r),
60 1.657510298323475, TEST_SNGL, GSL_SUCCESS);
61 TEST_SF(s, gsl_sf_mathieu_ce, (1, 0.0, 0.0, &r),
62 1.00000000, TEST_SNGL, GSL_SUCCESS);
63 TEST_SF(s, gsl_sf_mathieu_ce, (1, 5.0, 0.0, &r),
64 0.2565428793223637, TEST_SNGL, GSL_SUCCESS);
65 TEST_SF(s, gsl_sf_mathieu_ce, (1, 10.0, 0.0, &r),
66 0.05359874774717657, TEST_SNGL, GSL_SUCCESS);
67 TEST_SF(s, gsl_sf_mathieu_ce, (1, 15.0, 0.0, &r),
68 0.01504006645382623, TEST_SNGL, GSL_SUCCESS);
69 TEST_SF(s, gsl_sf_mathieu_ce, (1, 20.0, 0.0, &r),
70 0.005051813764712904, TEST_SNGL, GSL_SUCCESS);
71 TEST_SF(s, gsl_sf_mathieu_ce, (1, 25.0, 0.0, &r),
72 0.001911051506657645, TEST_SNGL, GSL_SUCCESS);
73 TEST_SF(s, gsl_sf_mathieu_se, (1, 0.0, M_PI_2, &r),
74 1.0000000, TEST_SNGL, GSL_SUCCESS);
75 TEST_SF(s, gsl_sf_mathieu_se, (1, 5.0, M_PI_2, &r),
76 1.337433887022345, TEST_SNGL, GSL_SUCCESS);
77 TEST_SF(s, gsl_sf_mathieu_se, (1, 10.0, M_PI_2, &r),
78 1.468755664102938, TEST_SNGL, GSL_SUCCESS);
79 TEST_SF(s, gsl_sf_mathieu_se, (1, 15.0, M_PI_2, &r),
80 1.550115074357552, TEST_SNGL, GSL_SUCCESS);
81 TEST_SF(s, gsl_sf_mathieu_se, (1, 20.0, M_PI_2, &r),
82 1.609891592603772, TEST_SNGL, GSL_SUCCESS);
83 TEST_SF(s, gsl_sf_mathieu_se, (1, 25.0, M_PI_2, &r),
84 1.657510398374516, TEST_SNGL, GSL_SUCCESS);
85 TEST_SF(s, gsl_sf_mathieu_ce, (2, 0.0, 0.0, &r),
86 1.00000000, TEST_SNGL, GSL_SUCCESS);
87 TEST_SF(s, gsl_sf_mathieu_ce, (2, 0.0, M_PI_2, &r),
88 -1.00000000, TEST_SNGL, GSL_SUCCESS);
89 TEST_SF(s, gsl_sf_mathieu_ce, (2, 5.0, 0.0, &r),
90 0.7352943084006845, TEST_SNGL, GSL_SUCCESS);
91 TEST_SF(s, gsl_sf_mathieu_ce, (2, 5.0, M_PI_2, &r),
92 -0.7244881519676682, TEST_SNGL, GSL_SUCCESS);
93 TEST_SF(s, gsl_sf_mathieu_ce, (2, 10.0, 0.0, &r),
94 0.2458883492913189, TEST_SNGL, GSL_SUCCESS);
95 TEST_SF(s, gsl_sf_mathieu_ce, (2, 10.0, M_PI_2, &r),
96 -0.9267592641263211, TEST_SNGL, GSL_SUCCESS);
97 TEST_SF(s, gsl_sf_mathieu_ce, (2, 15.0, 0.0, &r),
98 0.07879282784639313, TEST_SNGL, GSL_SUCCESS);
99 TEST_SF(s, gsl_sf_mathieu_ce, (2, 15.0, M_PI_2, &r),
100 -1.019966226030262, TEST_SNGL, GSL_SUCCESS);
101 TEST_SF(s, gsl_sf_mathieu_ce, (2, 20.0, 0.0, &r),
102 0.02864894314707431, TEST_SNGL, GSL_SUCCESS);
103 TEST_SF(s, gsl_sf_mathieu_ce, (2, 20.0, M_PI_2, &r),
104 -1.075293228779687, TEST_SNGL, GSL_SUCCESS);
105 TEST_SF(s, gsl_sf_mathieu_ce, (2, 25.0, 0.0, &r),
106 0.0115128663308875, TEST_SNGL, GSL_SUCCESS);
107 TEST_SF(s, gsl_sf_mathieu_ce, (2, 25.0, M_PI_2, &r),
108 -1.116278953295253, TEST_SNGL, GSL_SUCCESS);
109 TEST_SF(s, gsl_sf_mathieu_ce, (5, 0.0, 0.0, &r),
110 1.00000000, TEST_SNGL, GSL_SUCCESS);
111 TEST_SF(s, gsl_sf_mathieu_ce, (5, 5.0, 0.0, &r),
112 1.12480725063848, TEST_SNGL, GSL_SUCCESS);
113 TEST_SF(s, gsl_sf_mathieu_ce, (5, 10.0, 0.0, &r),
114 1.258019941308287, TEST_SNGL, GSL_SUCCESS);
115 TEST_SF(s, gsl_sf_mathieu_ce, (5, 15.0, 0.0, &r),
116 1.193432230413072, TEST_SNGL, GSL_SUCCESS);
117 TEST_SF(s, gsl_sf_mathieu_ce, (5, 20.0, 0.0, &r),
118 0.9365755314226215, TEST_SNGL, GSL_SUCCESS);
119 TEST_SF(s, gsl_sf_mathieu_ce, (5, 25.0, 0.0, &r),
120 0.6106943100506986, TEST_SNGL, GSL_SUCCESS);
121 TEST_SF(s, gsl_sf_mathieu_se, (5, 0.0, M_PI_2, &r),
122 1.0000000, TEST_SNGL, GSL_SUCCESS);
123 TEST_SF(s, gsl_sf_mathieu_se, (5, 5.0, M_PI_2, &r),
124 0.9060779302023551, TEST_SNGL, GSL_SUCCESS);
125 TEST_SF(s, gsl_sf_mathieu_se, (5, 10.0, M_PI_2, &r),
126 0.8460384335355106, TEST_SNGL, GSL_SUCCESS);
127 TEST_SF(s, gsl_sf_mathieu_se, (5, 15.0, M_PI_2, &r),
128 0.837949340012484, TEST_SNGL, GSL_SUCCESS);
129 TEST_SF(s, gsl_sf_mathieu_se, (5, 20.0, M_PI_2, &r),
130 0.8635431218533667, TEST_SNGL, GSL_SUCCESS);
131 TEST_SF(s, gsl_sf_mathieu_se, (5, 25.0, M_PI_2, &r),
132 0.8992683245108413, TEST_SNGL, GSL_SUCCESS);
133 TEST_SF(s, gsl_sf_mathieu_ce, (10, 0.0, 0.0, &r),
134 1.00000000, TEST_SNGL, GSL_SUCCESS);
135 TEST_SF(s, gsl_sf_mathieu_ce, (10, 0.0, M_PI_2, &r),
136 -1.00000000, TEST_SNGL, GSL_SUCCESS);
137 TEST_SF(s, gsl_sf_mathieu_ce, (10, 5.0, 0.0, &r),
138 1.025995027089438, TEST_SNGL, GSL_SUCCESS);
139 TEST_SF(s, gsl_sf_mathieu_ce, (10, 5.0, M_PI_2, &r),
140 -0.975347487235964, TEST_SNGL, GSL_SUCCESS);
141 TEST_SF(s, gsl_sf_mathieu_ce, (10, 10.0, 0.0, &r),
142 1.053815992100935, TEST_SNGL, GSL_SUCCESS);
143 TEST_SF(s, gsl_sf_mathieu_ce, (10, 10.0, M_PI_2, &r),
144 -0.9516453181789554, TEST_SNGL, GSL_SUCCESS);
145 TEST_SF(s, gsl_sf_mathieu_ce, (10, 15.0, 0.0, &r),
146 1.084106311839221, TEST_SNGL, GSL_SUCCESS);
147 TEST_SF(s, gsl_sf_mathieu_ce, (10, 15.0, M_PI_2, &r),
148 -0.9285480638845388, TEST_SNGL, GSL_SUCCESS);
149 TEST_SF(s, gsl_sf_mathieu_ce, (10, 20.0, 0.0, &r),
150 1.117788631259397, TEST_SNGL, GSL_SUCCESS);
151 TEST_SF(s, gsl_sf_mathieu_ce, (10, 20.0, M_PI_2, &r),
152 -0.9057107845940974, TEST_SNGL, GSL_SUCCESS);
153 TEST_SF(s, gsl_sf_mathieu_ce, (10, 25.0, 0.0, &r),
154 1.156239918632239, TEST_SNGL, GSL_SUCCESS);
155 TEST_SF(s, gsl_sf_mathieu_ce, (10, 25.0, M_PI_2, &r),
156 -0.8826919105636903, TEST_SNGL, GSL_SUCCESS);
157 TEST_SF(s, gsl_sf_mathieu_ce, (15, 0.0, 0.0, &r),
158 1.00000000, TEST_SNGL, GSL_SUCCESS);
159 TEST_SF(s, gsl_sf_mathieu_ce, (15, 5.0, 0.0, &r),
160 1.011293732529566, TEST_SNGL, GSL_SUCCESS);
161 TEST_SF(s, gsl_sf_mathieu_ce, (15, 10.0, 0.0, &r),
162 1.022878282438181, TEST_SNGL, GSL_SUCCESS);
163 TEST_SF(s, gsl_sf_mathieu_ce, (15, 15.0, 0.0, &r),
164 1.034793652236873, TEST_SNGL, GSL_SUCCESS);
165 TEST_SF(s, gsl_sf_mathieu_ce, (15, 20.0, 0.0, &r),
166 1.047084344162887, TEST_SNGL, GSL_SUCCESS);
167 TEST_SF(s, gsl_sf_mathieu_ce, (15, 25.0, 0.0, &r),
168 1.059800441813937, TEST_SNGL, GSL_SUCCESS);
169 TEST_SF(s, gsl_sf_mathieu_se, (15, 0.0, M_PI_2, &r),
170 -1.0000000, TEST_SNGL, GSL_SUCCESS);
171 TEST_SF(s, gsl_sf_mathieu_se, (15, 5.0, M_PI_2, &r),
172 -0.9889607027406357, TEST_SNGL, GSL_SUCCESS);
173 TEST_SF(s, gsl_sf_mathieu_se, (15, 10.0, M_PI_2, &r),
174 -0.9781423471832157, TEST_SNGL, GSL_SUCCESS);
175 TEST_SF(s, gsl_sf_mathieu_se, (15, 15.0, M_PI_2, &r),
176 -0.9675137031854538, TEST_SNGL, GSL_SUCCESS);
177 TEST_SF(s, gsl_sf_mathieu_se, (15, 20.0, M_PI_2, &r),
178 -0.9570452540612817, TEST_SNGL, GSL_SUCCESS);
179 TEST_SF(s, gsl_sf_mathieu_se, (15, 25.0, M_PI_2, &r),
180 -0.9467086958780897, TEST_SNGL, GSL_SUCCESS);
182 work = gsl_sf_mathieu_alloc(NVAL, 20.0);
184 gsl_sf_mathieu_ce_array(0, 5, 0.0, M_PI_2, work, c);
185 sa += (test_sf_frac_diff(c[0], 0.7071067811865475) > TEST_SNGL);
186 sa += (test_sf_frac_diff(c[2], -1.0) > TEST_SNGL);
187 sa += (test_sf_frac_diff(c[4], 1.0) > TEST_SNGL);
188 gsl_test(sa, "gsl_sf_mathieu_ce_array");
192 gsl_sf_mathieu_ce_array(0, 15, 20.0, 0.0, work, c);
193 sa += (test_sf_frac_diff(c[0], 0.0006037438292242197) > TEST_SNGL);
194 sa += (test_sf_frac_diff(c[1], 0.005051813764712904) > TEST_SNGL);
195 sa += (test_sf_frac_diff(c[2], 0.02864894314707431) > TEST_SNGL);
196 sa += (test_sf_frac_diff(c[5], 0.9365755314226215) > TEST_SNGL);
197 sa += (test_sf_frac_diff(c[10], 1.117788631259397) > TEST_SNGL);
198 sa += (test_sf_frac_diff(c[15], 1.047084344162887) > TEST_SNGL);
199 gsl_test(sa, "gsl_sf_mathieu_ce_array");
203 gsl_sf_mathieu_se_array(1, 15, 20.0, M_PI_2, work, c);
204 sa += (test_sf_frac_diff(c[0], 1.609891592603772) > TEST_SNGL);
205 sa += (test_sf_frac_diff(c[4], 0.8635431218533667) > TEST_SNGL);
206 sa += (test_sf_frac_diff(c[14], -0.9570452540612817) > TEST_SNGL);
207 gsl_test(sa, "gsl_sf_mathieu_se_array");
210 gsl_sf_mathieu_free(work);