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/gtc/gtc_matrix_inverse.cpp b/3rdparty/glm/source/test/gtc/gtc_matrix_inverse.cpp
deleted file mode 100644
index eaec6e1..0000000
--- a/3rdparty/glm/source/test/gtc/gtc_matrix_inverse.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-#include <glm/gtc/matrix_inverse.hpp>
-#include <glm/gtc/epsilon.hpp>
-
-int test_affine()
-{
-	int Error = 0;
-
-	{
-		glm::mat3 const M(
-			2.f, 0.f, 0.f,
-			0.f, 2.f, 0.f,
-			0.f, 0.f, 1.f);
-		glm::mat3 const A = glm::affineInverse(M);
-		glm::mat3 const I = glm::inverse(M);
-		glm::mat3 const R = glm::affineInverse(A);
-
-		for(glm::length_t i = 0; i < A.length(); ++i)
-		{
-			Error += glm::all(glm::epsilonEqual(M[i], R[i], 0.01f)) ? 0 : 1;
-			Error += glm::all(glm::epsilonEqual(A[i], I[i], 0.01f)) ? 0 : 1;
-		}
-	}
-
-	{
-		glm::mat4 const M(
-			2.f, 0.f, 0.f, 0.f,
-			0.f, 2.f, 0.f, 0.f,
-			0.f, 0.f, 2.f, 0.f,
-			0.f, 0.f, 0.f, 1.f);
-		glm::mat4 const A = glm::affineInverse(M);
-		glm::mat4 const I = glm::inverse(M);
-		glm::mat4 const R = glm::affineInverse(A);
-
-		for(glm::length_t i = 0; i < A.length(); ++i)
-		{
-			Error += glm::all(glm::epsilonEqual(M[i], R[i], 0.01f)) ? 0 : 1;
-			Error += glm::all(glm::epsilonEqual(A[i], I[i], 0.01f)) ? 0 : 1;
-		}
-	}
-
-	return Error;
-}
-
-int main()
-{
-	int Error = 0;
-
-	Error += test_affine();
-
-	return Error;
-}