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, 45 deletions

diff --git a/3rdparty/glm/source/test/ext/ext_quaternion_transform.cpp b/3rdparty/glm/source/test/ext/ext_quaternion_transform.cpp
deleted file mode 100644
index fefe88e..0000000
--- a/3rdparty/glm/source/test/ext/ext_quaternion_transform.cpp
+++ /dev/null
@@ -1,45 +0,0 @@
-#include <glm/ext/quaternion_transform.hpp>
-#include <glm/ext/quaternion_float.hpp>
-#include <glm/ext/vector_relational.hpp>
-#include <glm/ext/scalar_constants.hpp>
-
-#define GLM_ENABLE_EXPERIMENTAL
-#include <glm/gtx/quaternion.hpp>
-
-static int test_lookAt()
-{
-	int Error(0);
-
-	glm::vec3 eye(0.0f);
-	glm::vec3 center(1.1f, -2.0f, 3.1416f);
-	glm::vec3 up(-0.17f, 7.23f, -1.744f);
-
-	glm::quat test_quat = glm::quatLookAt(glm::normalize(center - eye), up);
-	glm::quat test_mat = glm::conjugate(glm::quat_cast(glm::lookAt(eye, center, up)));
-
-	Error += static_cast<int>(glm::abs(glm::length(test_quat) - 1.0f) > glm::epsilon<float>());
-	Error += static_cast<int>(glm::min(glm::length(test_quat + (-test_mat)), glm::length(test_quat + test_mat)) > glm::epsilon<float>());
-
-	// Test left-handed implementation
-	glm::quat test_quatLH = glm::quatLookAtLH(glm::normalize(center - eye), up);
-	glm::quat test_matLH = glm::conjugate(glm::quat_cast(glm::lookAtLH(eye, center, up)));
-	Error += static_cast<int>(glm::abs(glm::length(test_quatLH) - 1.0f) > glm::epsilon<float>());
-	Error += static_cast<int>(glm::min(glm::length(test_quatLH - test_matLH), glm::length(test_quatLH + test_matLH)) > glm::epsilon<float>());
- 
-	// Test right-handed implementation
-	glm::quat test_quatRH = glm::quatLookAtRH(glm::normalize(center - eye), up);
-	glm::quat test_matRH = glm::conjugate(glm::quat_cast(glm::lookAtRH(eye, center, up)));
-	Error += static_cast<int>(glm::abs(glm::length(test_quatRH) - 1.0f) > glm::epsilon<float>());
-	Error += static_cast<int>(glm::min(glm::length(test_quatRH - test_matRH), glm::length(test_quatRH + test_matRH)) > glm::epsilon<float>());
-
-	return Error;
-}
-
-int main()
-{
-	int Error = 0;
-
-	Error += test_lookAt();
-
-	return Error;
-}