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, 51 deletions

diff --git a/3rdparty/glm/source/test/ext/ext_quaternion_relational.cpp b/3rdparty/glm/source/test/ext/ext_quaternion_relational.cpp
deleted file mode 100644
index 7f51fdc..0000000
--- a/3rdparty/glm/source/test/ext/ext_quaternion_relational.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-#include <glm/gtc/constants.hpp>
-#include <glm/ext/quaternion_relational.hpp>
-#include <glm/ext/quaternion_float.hpp>
-#include <glm/ext/quaternion_float_precision.hpp>
-#include <glm/ext/quaternion_double.hpp>
-#include <glm/ext/quaternion_double_precision.hpp>
-#include <glm/ext/vector_float3.hpp>
-#include <glm/ext/vector_float3_precision.hpp>
-#include <glm/ext/vector_double3.hpp>
-#include <glm/ext/vector_double3_precision.hpp>
-
-template <typename quaType>
-static int test_equal()
-{
-	int Error = 0;
-
-	quaType const Q(1, 0, 0, 0);
-	quaType const P(1, 0, 0, 0);
-	Error += glm::all(glm::equal(Q, P, glm::epsilon<float>())) ? 0 : 1;
-
-	return Error;
-}
-
-template <typename quaType>
-static int test_notEqual()
-{
-	int Error = 0;
-
-	quaType const Q(1, 0, 0, 0);
-	quaType const P(1, 0, 0, 0);
-	Error += glm::any(glm::notEqual(Q, P, glm::epsilon<float>())) ? 1 : 0;
-
-	return Error;
-}
-
-int main()
-{
-	int Error = 0;
-
-	Error += test_equal<glm::quat>();
-	Error += test_equal<glm::lowp_quat>();
-	Error += test_equal<glm::mediump_quat>();
-	Error += test_equal<glm::highp_quat>();
-
-	Error += test_notEqual<glm::quat>();
-	Error += test_notEqual<glm::lowp_quat>();
-	Error += test_notEqual<glm::mediump_quat>();
-	Error += test_notEqual<glm::highp_quat>();
-
-	return Error;
-}