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, 36 deletions

diff --git a/3rdparty/glm/source/test/ext/ext_scalar_constants.cpp b/3rdparty/glm/source/test/ext/ext_scalar_constants.cpp
deleted file mode 100644
index 3af7099..0000000
--- a/3rdparty/glm/source/test/ext/ext_scalar_constants.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include <glm/ext/scalar_constants.hpp>
-
-template <typename valType>
-static int test_epsilon()
-{
-	int Error = 0;
-
-	valType const Test = glm::epsilon<valType>();
-	Error += Test > static_cast<valType>(0) ? 0 : 1;
-
-	return Error;
-}
-
-template <typename valType>
-static int test_pi()
-{
-	int Error = 0;
-
-	valType const Test = glm::pi<valType>();
-	Error += Test > static_cast<valType>(3.14) ? 0 : 1;
-	Error += Test < static_cast<valType>(3.15) ? 0 : 1;
-
-	return Error;
-}
-
-int main()
-{
-	int Error = 0;
-
-	Error += test_epsilon<float>();
-	Error += test_epsilon<double>();
-	Error += test_pi<float>();
-	Error += test_pi<double>();
-
-	return Error;
-}