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, 37 deletions

diff --git a/3rdparty/glm/source/test/gtx/gtx_scalar_multiplication.cpp b/3rdparty/glm/source/test/gtx/gtx_scalar_multiplication.cpp
deleted file mode 100644
index 4aa96d6..0000000
--- a/3rdparty/glm/source/test/gtx/gtx_scalar_multiplication.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#define GLM_ENABLE_EXPERIMENTAL
-#include <glm/gtc/constants.hpp>
-#include <glm/ext/vector_relational.hpp>
-#include <glm/glm.hpp>
-
-#if GLM_HAS_TEMPLATE_ALIASES && !(GLM_COMPILER & GLM_COMPILER_GCC)
-#include <glm/gtx/scalar_multiplication.hpp>
-
-int main()
-{
-	int Error(0);
-	glm::vec3 v(0.5, 3.1, -9.1);
-
-	Error += glm::all(glm::equal(v, 1.0 * v, glm::epsilon<float>())) ? 0 : 1;
-	Error += glm::all(glm::equal(v, 1 * v, glm::epsilon<float>())) ? 0 : 1;
-	Error += glm::all(glm::equal(v, 1u * v, glm::epsilon<float>())) ? 0 : 1;
-
-	glm::mat3 m(1, 2, 3, 4, 5, 6, 7, 8, 9);
-	glm::vec3 w = 0.5f * m * v;
-
-	Error += glm::all(glm::equal((m*v)/2, w, glm::epsilon<float>())) ? 0 : 1;
-	Error += glm::all(glm::equal(m*(v/2), w, glm::epsilon<float>())) ? 0 : 1;
-	Error += glm::all(glm::equal((m/2)*v, w, glm::epsilon<float>())) ? 0 : 1;
-	Error += glm::all(glm::equal((0.5*m)*v, w, glm::epsilon<float>())) ? 0 : 1;
-	Error += glm::all(glm::equal(0.5*(m*v), w, glm::epsilon<float>())) ? 0 : 1;
-
-	return Error;
-}
-
-#else
-
-int main()
-{
-	return 0;
-}
-
-#endif