text: // Copyright (c) 2007-2009, Google Inc.
  // Author: Jeremy Brewer
  // All rights reserved.
  // 
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  // 
  //   * Redistributions of source code must retain the above copyright notice,
  //     this list of conditions and the following disclaimer.
  //   * Redistributions in binary form must reproduce the above copyright notice,
  //     this list of conditions and the following disclaimer in the documentation
  //     and/or other materials provided with the distribution.
  //   * Neither the name of Google Inc. nor the names of its contributors may be
  //     used to endorse or promote products derived from this software without
  //     specific prior written permission.
  // 
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  // POSSIBILITY OF SUCH DAMAGE.
  
  #include <cmath>
  
  #include <iostream>
  
  #include "base.h"
  #include "wraparound.h"
  
  namespace google_sky {
  
  int Main(int argc, char **argv) {
    {
      cout << "Testing ImageWrapsAround()... ";
  
      ASSERT_TRUE(WrapAround::ImageWrapsAround(10.0, 350.0));
      ASSERT_FALSE(WrapAround::ImageWrapsAround(10.0, 20.0));
      ASSERT_FALSE(WrapAround::ImageWrapsAround(180.0, 190.0));
      ASSERT_FALSE(WrapAround::ImageWrapsAround(180.0, 180.0));
  
      cout << "pass\n";
    }
  
    {
      cout << "Testing MakeRaMonotonic()... ";
  
      double ra = 5.0;
      WrapAround::MakeRaMonotonic(&ra);
      ASSERT_TRUE(fabs(ra - 365.0) < 1.0e-6);
  
      ra = 355.0;
      WrapAround::MakeRaMonotonic(&ra);
      ASSERT_TRUE(fabs(ra - 355.0) < 1.0e-6);
  
      cout << "pass\n";
    }
  
    {
      cout << "Testing RestoreWrapAround()... ";
  
      double ra = 5 * 360.0 + 5.0;
      WrapAround::RestoreWrapAround(&ra);
      ASSERT_TRUE(fabs(ra - 5.0) < 1.0e-6);
  
      ra = 15.0 - 360.0 * 3;
      WrapAround::RestoreWrapAround(&ra);
      ASSERT_TRUE(fabs(ra - 15.0) < 1.0e-6);
  
      cout << "pass\n";
    }
  
    cout << "Passed\n";
    return 0;
  }
  
  }  // namespace google_sky
  
  int main(int argc, char **argv) {
    return google_sky::Main(argc, argv);
  }
  