text: /*################################################################################
    ##
    ##   Copyright (C) 2016-2022 Keith O'Hara
    ##
    ##   This file is part of the GCE-Math C++ library.
    ##
    ##   Licensed under the Apache License, Version 2.0 (the "License");
    ##   you may not use this file except in compliance with the License.
    ##   You may obtain a copy of the License at
    ##
    ##       http://www.apache.org/licenses/LICENSE-2.0
    ##
    ##   Unless required by applicable law or agreed to in writing, software
    ##   distributed under the License is distributed on an "AS IS" BASIS,
    ##   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    ##   See the License for the specific language governing permissions and
    ##   limitations under the License.
    ##
    ################################################################################*/
  
  #include "gcem_tests.hpp"
  
  // test misc functions
  
  int main()
  {
      
      GCEM_TEST_EXPECTED_VAL(gcem::sgn,  1,  1.5);
      GCEM_TEST_EXPECTED_VAL(gcem::sgn, -1, -1.5);
  
      GCEM_TEST_EXPECTED_VAL(gcem::internal::find_fraction, -0.5,  1.5);
      GCEM_TEST_EXPECTED_VAL(gcem::internal::find_fraction,  1.5, -1.5);
  
      GCEM_TEST_EXPECTED_VAL(gcem::internal::find_whole,  1,  1.5);
      GCEM_TEST_EXPECTED_VAL(gcem::internal::find_whole, -3, -1.5);
  
      GCEM_TEST_EXPECTED_VAL(gcem::internal::neg_zero, 0,  0.0);
      GCEM_TEST_EXPECTED_VAL(gcem::internal::neg_zero, 1,  -0.0);
  
      return 0;
  }
  