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, 30 deletions

diff --git a/3rdparty/glm/source/test/gtc/gtc_constants.cpp b/3rdparty/glm/source/test/gtc/gtc_constants.cpp
deleted file mode 100644
index 3897cd0..0000000
--- a/3rdparty/glm/source/test/gtc/gtc_constants.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-#include <glm/gtc/constants.hpp>
-
-int test_epsilon()
-{
-	int Error = 0;
-
-	{
-		float Test = glm::epsilon<float>();
-		Error += Test > 0.0f ? 0 : 1;
-	}
-
-	{
-		double Test = glm::epsilon<double>();
-		Error += Test > 0.0 ? 0 : 1;
-	}
-
-	return Error;
-}
-
-int main()
-{
-	int Error(0);
-
-	//float MinHalf = 0.0f;
-	//while (glm::half(MinHalf) == glm::half(0.0f))
-	//	MinHalf += std::numeric_limits<float>::epsilon();
-	Error += test_epsilon();
-	
-	return Error;
-}