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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/ext/special_functions/airy_ai/check_value.cc
1 // { dg-do run { target c++11 } }
2 // { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
3 // { dg-skip-if "no extensions in strict dialects" { *-*-* } { "-std=c++*" } }
5 // Copyright (C) 2016-2020 Free Software Foundation, Inc.
7 // This file is part of the GNU ISO C++ Library. This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING3. If not see
20 // <http://www.gnu.org/licenses/>.
24 // Compare against values generated by the GNU Scientific Library.
25 // The GSL can be found on the web: http://www.gnu.org/software/gsl/
28 #if defined(__TEST_DEBUG)
33 std::cout << "line " << __LINE__ \
34 << " max_abs_frac = " << max_abs_frac \
38 # include <testsuite_hooks.h>
40 #include <specfun_testcase.h>
43 // max(|f - f_GSL|): 2.0261570199409107e-15 at index 0
44 // max(|f - f_GSL| / |f_GSL|): 5.7527019513802774e-14
45 // mean(f - f_GSL): 5.7893945880945940e-17
46 // variance(f - f_GSL): 8.5887539970087062e-35
47 // stddev(f - f_GSL): 9.2675530734971811e-18
48 const testcase_airy_ai
<double>
51 { 0.040241238486444071, -10.000000000000000, 0.0 },
52 { 0.31910324771912801, -9.5000000000000000, 0.0 },
53 { -0.022133721547341240, -9.0000000000000000, 0.0 },
54 { -0.33029023763020882, -8.5000000000000000, 0.0 },
55 { -0.052705050356385910, -8.0000000000000000, 0.0 },
56 { 0.32177571638064789, -7.5000000000000000, 0.0 },
57 { 0.18428083525050609, -7.0000000000000000, 0.0 },
58 { -0.23802030199711663, -6.5000000000000000, 0.0 },
59 { -0.32914517362982321, -6.0000000000000000, 0.0 },
60 { 0.017781541276574383, -5.5000000000000000, 0.0 },
61 { 0.35076100902411411, -5.0000000000000000, 0.0 },
62 { 0.29215278105595921, -4.5000000000000000, 0.0 },
63 { -0.070265532949289680, -4.0000000000000000, 0.0 },
64 { -0.37553382314043182, -3.5000000000000000, 0.0 },
65 { -0.37881429367765823, -3.0000000000000000, 0.0 },
66 { -0.11232506769296607, -2.5000000000000000, 0.0 },
67 { 0.22740742820168561, -2.0000000000000000, 0.0 },
68 { 0.46425657774886947, -1.5000000000000000, 0.0 },
69 { 0.53556088329235207, -1.0000000000000000, 0.0 },
70 { 0.47572809161053958, -0.50000000000000000, 0.0 },
71 { 0.35502805388781722, 0.0000000000000000, 0.0 },
72 { 0.23169360648083348, 0.50000000000000000, 0.0 },
73 { 0.13529241631288141, 1.0000000000000000, 0.0 },
74 { 0.071749497008105428, 1.5000000000000000, 0.0 },
75 { 0.034924130423274372, 2.0000000000000000, 0.0 },
76 { 0.015725923380470481, 2.5000000000000000, 0.0 },
77 { 0.0065911393574607175, 3.0000000000000000, 0.0 },
78 { 0.0025840987869896349, 3.5000000000000000, 0.0 },
79 { 0.00095156385120480195, 4.0000000000000000, 0.0 },
80 { 0.00033025032351430934, 4.5000000000000000, 0.0 },
81 { 0.00010834442813607434, 5.0000000000000000, 0.0 },
82 { 3.3685311908599812e-05, 5.5000000000000000, 0.0 },
83 { 9.9476943602528973e-06, 6.0000000000000000, 0.0 },
84 { 2.7958823432049148e-06, 6.5000000000000000, 0.0 },
85 { 7.4921288639971570e-07, 7.0000000000000000, 0.0 },
86 { 1.9172560675134295e-07, 7.5000000000000000, 0.0 },
87 { 4.6922076160992236e-08, 8.0000000000000000, 0.0 },
88 { 1.0997009755195515e-08, 8.5000000000000000, 0.0 },
89 { 2.4711684308724904e-09, 9.0000000000000000, 0.0 },
90 { 5.3302637046174900e-10, 9.5000000000000000, 0.0 },
91 { 1.1047532552898652e-10, 10.000000000000000, 0.0 },
93 const double toler001
= 5.0000000000000029e-12;
95 template<typename Ret
, unsigned int Num
>
97 test(const testcase_airy_ai
<Ret
> (&data
)[Num
], Ret toler
)
99 bool test
__attribute__((unused
)) = true;
100 const Ret eps
= std::numeric_limits
<Ret
>::epsilon();
101 Ret max_abs_diff
= -Ret(1);
102 Ret max_abs_frac
= -Ret(1);
103 unsigned int num_datum
= Num
;
104 for (unsigned int i
= 0; i
< num_datum
; ++i
)
106 const Ret f
= __gnu_cxx::airy_ai(data
[i
].x
);
107 const Ret f0
= data
[i
].f0
;
108 const Ret diff
= f
- f0
;
109 if (std::abs(diff
) > max_abs_diff
)
110 max_abs_diff
= std::abs(diff
);
111 if (std::abs(f0
) > Ret(10) * eps
112 && std::abs(f
) > Ret(10) * eps
)
114 const Ret frac
= diff
/ f0
;
115 if (std::abs(frac
) > max_abs_frac
)
116 max_abs_frac
= std::abs(frac
);
119 VERIFY(max_abs_frac
< toler
);
125 test(data001
, toler001
);