X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2Ftr1%2F5_numerical_facilities%2Fspecial_functions%2F05_comp_ellint_2%2Fcheck_value.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2Ftr1%2F5_numerical_facilities%2Fspecial_functions%2F05_comp_ellint_2%2Fcheck_value.cc;h=8cd04228c4a2641727b906cdfe1f85c6c93751c6;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git
diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/special_functions/05_comp_ellint_2/check_value.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/special_functions/05_comp_ellint_2/check_value.cc
new file mode 100644
index 00000000..8cd04228
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/special_functions/05_comp_ellint_2/check_value.cc
@@ -0,0 +1,96 @@
+// 2007-02-04 Edward Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// .
+
+// comp_ellint_2
+
+
+// Compare against values generated by the GNU Scientific Library.
+// The GSL can be found on the web: http://www.gnu.org/software/gsl/
+
+#include
+#if defined(__TEST_DEBUG)
+#include
+#define VERIFY(A) \
+if (!(A)) \
+ { \
+ std::cout << "line " << __LINE__ \
+ << " max_abs_frac = " << max_abs_frac \
+ << std::endl; \
+ }
+#else
+#include
+#endif
+#include "../testcase.h"
+
+
+// Test data.
+testcase_comp_ellint_2 data001[] = {
+ { 1.1716970527816140, -0.90000000000000002 },
+ { 1.2763499431699066, -0.80000000000000004 },
+ { 1.3556611355719557, -0.69999999999999996 },
+ { 1.4180833944487243, -0.59999999999999998 },
+ { 1.4674622093394274, -0.50000000000000000 },
+ { 1.5059416123600402, -0.40000000000000002 },
+ { 1.5348334649232489, -0.30000000000000004 },
+ { 1.5549685462425296, -0.19999999999999996 },
+ { 1.5668619420216685, -0.099999999999999978 },
+ { 1.5707963267948966, 0.0000000000000000 },
+ { 1.5668619420216685, 0.10000000000000009 },
+ { 1.5549685462425296, 0.19999999999999996 },
+ { 1.5348334649232489, 0.30000000000000004 },
+ { 1.5059416123600404, 0.39999999999999991 },
+ { 1.4674622093394274, 0.50000000000000000 },
+ { 1.4180833944487241, 0.60000000000000009 },
+ { 1.3556611355719557, 0.69999999999999996 },
+ { 1.2763499431699066, 0.80000000000000004 },
+ { 1.1716970527816142, 0.89999999999999991 },
+};
+
+// Test function.
+template
+void test001()
+{
+ const Tp eps = std::numeric_limits::epsilon();
+ Tp max_abs_diff = -Tp(1);
+ Tp max_abs_frac = -Tp(1);
+ unsigned int num_datum = sizeof(data001)
+ / sizeof(testcase_comp_ellint_2);
+ for (unsigned int i = 0; i < num_datum; ++i)
+ {
+ const Tp f = std::tr1::comp_ellint_2(Tp(data001[i].k));
+ const Tp f0 = data001[i].f0;
+ const Tp diff = f - f0;
+ if (std::abs(diff) > max_abs_diff)
+ max_abs_diff = std::abs(diff);
+ if (std::abs(f0) > Tp(10) * eps
+ && std::abs(f) > Tp(10) * eps)
+ {
+ const Tp frac = diff / f0;
+ if (std::abs(frac) > max_abs_frac)
+ max_abs_frac = std::abs(frac);
+ }
+ }
+ VERIFY(max_abs_frac < Tp(5.0000000000000039e-13));
+}
+
+int main(int, char**)
+{
+ test001();
+ return 0;
+}