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, 83 deletions

diff --git a/3rdparty/glm/source/test/gtx/gtx_range.cpp b/3rdparty/glm/source/test/gtx/gtx_range.cpp
deleted file mode 100644
index 434731b..0000000
--- a/3rdparty/glm/source/test/gtx/gtx_range.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-#define GLM_ENABLE_EXPERIMENTAL
-#include <glm/gtc/constants.hpp>
-#include <glm/ext/scalar_relational.hpp>
-#include <glm/ext/vector_relational.hpp>
-#include <glm/glm.hpp>
-
-#if GLM_HAS_RANGE_FOR
-
-#include <glm/gtx/range.hpp>
-
-int test_vec()
-{
-	int Error = 0;
-
-	{
-		glm::ivec3 const v(1, 2, 3);
-
-		int count = 0;
-		glm::ivec3 Result(0);
-		for(int x : v)
-		{
-			Result[count] = x;
-			count++;
-		}
-		Error += count == 3 ? 0 : 1;
-		Error += v == Result ? 0 : 1;
-	}
-
-	{
-		glm::ivec3 v(1, 2, 3);
-		for(int& x : v)
-			x = 0;
-		Error += glm::all(glm::equal(v, glm::ivec3(0))) ? 0 : 1;
-	}
-
-	return Error;
-}
-
-int test_mat()
-{
-	int Error = 0;
-
-	{
-		glm::mat4x3 m(1.0f);
-
-		int count = 0;
-		float Sum = 0.0f;
-		for(float x : m)
-		{
-			count++;
-			Sum += x;
-		}
-		Error += count == 12 ? 0 : 1;
-		Error += glm::equal(Sum, 3.0f, 0.001f) ? 0 : 1;
-	}
-
-	{
-		glm::mat4x3 m(1.0f);
-
-		for (float& x : m) { x = 0; }
-		glm::vec4 v(1, 1, 1, 1);
-		Error += glm::all(glm::equal(m*v, glm::vec3(0, 0, 0), glm::epsilon<float>())) ? 0 : 1;
-	}
-
-	return Error;
-}
-
-int main()
-{
-	int Error = 0;
-	Error += test_vec();
-	Error += test_mat();
-	return Error;
-}
-
-#else
-
-int main()
-{
-	return 0;
-}
-
-#endif//GLM_HAS_RANGE_FOR