Copy changes from the no-history fork, generated back in 2023

Original commit message:
> commit f138311d2d2e0cc9ba0496d523bb46f2c1c9fb73
> Author: rtk0c <[email protected]>
> Date:   Wed Sep 20 23:58:58 2023 -0700
>
>     Copy from the PlasticSCM repo, replace vendored glm wtih conan

In reality, this also introduced a few uncommitted changes in the
original PlasticSCM repo. See the modified and new files in this patch.

1 files changed, 0 insertions, 78 deletions

diff --git a/3rdparty/glm/source/test/gtc/gtc_epsilon.cpp b/3rdparty/glm/source/test/gtc/gtc_epsilon.cpp
deleted file mode 100644
index f0e6c8a..0000000
--- a/3rdparty/glm/source/test/gtc/gtc_epsilon.cpp
+++ /dev/null
@@ -1,78 +0,0 @@
-#include <glm/gtc/epsilon.hpp>
-#include <glm/gtc/constants.hpp>
-#include <glm/gtc/quaternion.hpp>
-#include <glm/vector_relational.hpp>
-
-int test_defined()
-{
-	glm::epsilonEqual(glm::vec2(), glm::vec2(), glm::vec2());
-	glm::epsilonEqual(glm::vec3(), glm::vec3(), glm::vec3());
-	glm::epsilonEqual(glm::vec4(), glm::vec4(), glm::vec4());
-
-	glm::epsilonNotEqual(glm::vec2(), glm::vec2(), glm::vec2());
-	glm::epsilonNotEqual(glm::vec3(), glm::vec3(), glm::vec3());
-	glm::epsilonNotEqual(glm::vec4(), glm::vec4(), glm::vec4());
-	
-	glm::epsilonEqual(glm::vec2(), glm::vec2(), 0.0f);
-	glm::epsilonEqual(glm::vec3(), glm::vec3(), 0.0f);
-	glm::epsilonEqual(glm::vec4(), glm::vec4(), 0.0f);
-	glm::epsilonEqual(glm::quat(), glm::quat(), 0.0f);
-
-	glm::epsilonNotEqual(glm::vec2(), glm::vec2(), 0.0f);
-	glm::epsilonNotEqual(glm::vec3(), glm::vec3(), 0.0f);
-	glm::epsilonNotEqual(glm::vec4(), glm::vec4(), 0.0f);
-	glm::epsilonNotEqual(glm::quat(), glm::quat(), 0.0f);
-
-	return 0;
-}
-
-template<typename T>
-int test_equal()
-{
-	int Error(0);
-	
-	{
-		T A = glm::epsilon<T>();
-		T B = glm::epsilon<T>();
-		Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
-	}
-
-	{
-		T A(0);
-		T B = static_cast<T>(0) + glm::epsilon<T>();
-		Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
-	}
-
-	{
-		T A(0);
-		T B = static_cast<T>(0) - glm::epsilon<T>();
-		Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
-	}
-
-	{
-		T A = static_cast<T>(0) + glm::epsilon<T>();
-		T B = static_cast<T>(0);
-		Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
-	}
-
-	{
-		T A = static_cast<T>(0) - glm::epsilon<T>();
-		T B = static_cast<T>(0);
-		Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
-	}
-
-	return Error;
-}
-
-int main()
-{
-	int Error(0);
-
-	Error += test_defined();
-	Error += test_equal<float>();
-	Error += test_equal<double>();
-
-	return Error;
-}
-
-