text: ////////////////////////////////////////////////////////////////////////////////
  // The MIT License (MIT)
  //
  // Copyright (c) 2021 Nicholas Frechette & Realtime Math contributors
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  ////////////////////////////////////////////////////////////////////////////////
  
  #include <catch2/catch.hpp>
  
  #include <rtm/macros.h>
  #include <rtm/vector4f.h>
  
  TEST_CASE("macros", "[math][macros]")
  {
  	const float threshold = 0.0F;	// Result must be binary exact!
  
  	{
  		rtm::vector4f xyz0 = rtm::vector_set(1.0F, 2.0F, 3.0F);
  		rtm::vector4f xyz1 = rtm::vector_set(4.0F, 5.0F, 6.0F);
  		rtm::vector4f xyz2 = rtm::vector_set(7.0F, 8.0F, 9.0F);
  
  		rtm::vector4f xxx;
  		rtm::vector4f yyy;
  		rtm::vector4f zzz;
  		RTM_MATRIXF_TRANSPOSE_3X3(xyz0, xyz1, xyz2, xxx, yyy, zzz);
  
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(1.0F, 4.0F, 7.0F), xxx, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(2.0F, 5.0F, 8.0F), yyy, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(3.0F, 6.0F, 9.0F), zzz, threshold));
  
  		// Test when input == output
  		RTM_MATRIXF_TRANSPOSE_3X3(xyz0, xyz1, xyz2, xyz0, xyz1, xyz2);
  
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(1.0F, 4.0F, 7.0F), xyz0, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(2.0F, 5.0F, 8.0F), xyz1, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(3.0F, 6.0F, 9.0F), xyz2, threshold));
  	}
  
  	{
  		rtm::vector4f xyzw0 = rtm::vector_set(1.0F, 2.0F, 3.0F, 20.0F);
  		rtm::vector4f xyzw1 = rtm::vector_set(4.0F, 5.0F, 6.0F, 21.0F);
  		rtm::vector4f xyzw2 = rtm::vector_set(7.0F, 8.0F, 9.0F, 22.0F);
  		rtm::vector4f xyzw3 = rtm::vector_set(10.0F, 11.0F, 12.0F, 23.0F);
  
  		rtm::vector4f xxxx;
  		rtm::vector4f yyyy;
  		rtm::vector4f zzzz;
  		rtm::vector4f wwww;
  		RTM_MATRIXF_TRANSPOSE_4X4(xyzw0, xyzw1, xyzw2, xyzw3, xxxx, yyyy, zzzz, wwww);
  
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(1.0F, 4.0F, 7.0F, 10.0F), xxxx, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(2.0F, 5.0F, 8.0F, 11.0F), yyyy, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(3.0F, 6.0F, 9.0F, 12.0F), zzzz, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(20.0F, 21.0F, 22.0F, 23.0F), wwww, threshold));
  
  		// Test when input == output
  		RTM_MATRIXF_TRANSPOSE_4X4(xyzw0, xyzw1, xyzw2, xyzw3, xyzw0, xyzw1, xyzw2, xyzw3);
  
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(1.0F, 4.0F, 7.0F, 10.0F), xyzw0, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(2.0F, 5.0F, 8.0F, 11.0F), xyzw1, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(3.0F, 6.0F, 9.0F, 12.0F), xyzw2, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(20.0F, 21.0F, 22.0F, 23.0F), xyzw3, threshold));
  	}
  
  	{
  		rtm::vector4f xyz0 = rtm::vector_set(1.0F, 2.0F, 3.0F, 20.0F);
  		rtm::vector4f xyz1 = rtm::vector_set(4.0F, 5.0F, 6.0F, 21.0F);
  		rtm::vector4f xyz2 = rtm::vector_set(7.0F, 8.0F, 9.0F, 22.0F);
  		rtm::vector4f xyz3 = rtm::vector_set(10.0F, 11.0F, 12.0F, 23.0F);
  
  		rtm::vector4f xxxx;
  		rtm::vector4f yyyy;
  		rtm::vector4f zzzz;
  		RTM_MATRIXF_TRANSPOSE_4X3(xyz0, xyz1, xyz2, xyz3, xxxx, yyyy, zzzz);
  
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(1.0F, 4.0F, 7.0F, 10.0F), xxxx, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(2.0F, 5.0F, 8.0F, 11.0F), yyyy, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(3.0F, 6.0F, 9.0F, 12.0F), zzzz, threshold));
  
  		// Test when input == output
  		RTM_MATRIXF_TRANSPOSE_4X3(xyz0, xyz1, xyz2, xyz3, xyz0, xyz1, xyz2);
  
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(1.0F, 4.0F, 7.0F, 10.0F), xyz0, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(2.0F, 5.0F, 8.0F, 11.0F), xyz1, threshold));
  		CHECK(rtm::vector_all_near_equal(rtm::vector_set(3.0F, 6.0F, 9.0F, 12.0F), xyz2, threshold));
  	}
  
  	{
  		rtm::vector4f xyzw0 = rtm::vector_set(1.0F, 2.0F, 3.0F, 20.0F);
  		rtm::vector4f xyzw1 = rtm::vector_set(4.0F, 5.0F, 6.0F, 21.0F);
  		rtm::vector4f xyzw2 = rtm::vector_set(7.0F, 8.0F, 9.0F, 22.0F);
  
  		rtm::vector4f xxx;
  		rtm::vector4f yyy;
  		rtm::vector4f zzz;
  		rtm::vector4f www;
  		RTM_MATRIXF_TRANSPOSE_3X4(xyzw0, xyzw1, xyzw2, xxx, yyy, zzz, www);
  
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(1.0F, 4.0F, 7.0F), xxx, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(2.0F, 5.0F, 8.0F), yyy, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(3.0F, 6.0F, 9.0F), zzz, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(20.0F, 21.0F, 22.0F), www, threshold));
  
  		// Test when input == output
  		RTM_MATRIXF_TRANSPOSE_3X4(xyzw0, xyzw1, xyzw2, xyzw0, xyzw1, xyzw2, xxx);
  
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(1.0F, 4.0F, 7.0F), xyzw0, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(2.0F, 5.0F, 8.0F), xyzw1, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(3.0F, 6.0F, 9.0F), xyzw2, threshold));
  		CHECK(rtm::vector_all_near_equal3(rtm::vector_set(20.0F, 21.0F, 22.0F), xxx, threshold));
  	}
  }
  