test.h

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#ifndef TEST_INCLUDED
#define TEST_INCLUDED

namespace Test {
  static const int default_precision        = 12;
  static const int default_output_precision = 15;

  // utility routines for verifying test result.
  //   returns 0 if result and expected agree within specified criterion
  //   where the criterion is 10^-precision.

  int verify(const double expected, const double result);
}
#endif