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, 153 deletions

diff --git a/3rdparty/glm/source/test/perf/perf_matrix_div.cpp b/3rdparty/glm/source/test/perf/perf_matrix_div.cpp
deleted file mode 100644
index 630188d..0000000
--- a/3rdparty/glm/source/test/perf/perf_matrix_div.cpp
+++ /dev/null
@@ -1,153 +0,0 @@
-#define GLM_FORCE_INLINE
-#include <glm/ext/matrix_float4x4.hpp>
-#include <glm/ext/matrix_double4x4.hpp>
-#include <glm/ext/matrix_transform.hpp>
-#include <glm/ext/matrix_relational.hpp>
-#include <glm/ext/vector_float4.hpp>
-#if GLM_CONFIG_SIMD == GLM_ENABLE
-#include <glm/gtc/type_aligned.hpp>
-#include <vector>
-#include <chrono>
-#include <cstdio>
-
-template <typename matType>
-static void test_mat_div_mat(matType const& M, std::vector<matType> const& I, std::vector<matType>& O)
-{
-	for (std::size_t i = 0, n = I.size(); i < n; ++i)
-		O[i] = M / I[i];
-}
-
-template <typename matType>
-static int launch_mat_div_mat(std::vector<matType>& O, matType const& Transform, matType const& Scale, std::size_t Samples)
-{
-	typedef typename matType::value_type T;
-
-	std::vector<matType> I(Samples);
-	O.resize(Samples);
-
-	for(std::size_t i = 0; i < Samples; ++i)
-		I[i] = Scale * static_cast<T>(i) + Scale;
-
-	std::chrono::high_resolution_clock::time_point t1 = std::chrono::high_resolution_clock::now();
-	test_mat_div_mat<matType>(Transform, I, O);
-	std::chrono::high_resolution_clock::time_point t2 = std::chrono::high_resolution_clock::now();
-
-	return static_cast<int>(std::chrono::duration_cast<std::chrono::microseconds>(t2 - t1).count());
-}
-
-template <typename packedMatType, typename alignedMatType>
-static int comp_mat2_div_mat2(std::size_t Samples)
-{
-	typedef typename packedMatType::value_type T;
-	
-	int Error = 0;
-
-	packedMatType const Transform(1, 2, 3, 4);
-	packedMatType const Scale(0.01, 0.02, 0.03, 0.05);
-
-	std::vector<packedMatType> SISD;
-	std::printf("- SISD: %d us\n", launch_mat_div_mat<packedMatType>(SISD, Transform, Scale, Samples));
-
-	std::vector<alignedMatType> SIMD;
-	std::printf("- SIMD: %d us\n", launch_mat_div_mat<alignedMatType>(SIMD, Transform, Scale, Samples));
-
-	for(std::size_t i = 0; i < Samples; ++i)
-	{
-		packedMatType const A = SISD[i];
-		packedMatType const B = SIMD[i];
-		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
-		assert(!Error);
-	}
-	
-	return Error;
-}
-
-template <typename packedMatType, typename alignedMatType>
-static int comp_mat3_div_mat3(std::size_t Samples)
-{
-	typedef typename packedMatType::value_type T;
-	
-	int Error = 0;
-
-	packedMatType const Transform(1, 2, 3, 4, 5, 6, 7, 8, 9);
-	packedMatType const Scale(0.01, 0.02, 0.03, 0.05, 0.01, 0.02, 0.03, 0.05, 0.01);
-
-	std::vector<packedMatType> SISD;
-	std::printf("- SISD: %d us\n", launch_mat_div_mat<packedMatType>(SISD, Transform, Scale, Samples));
-
-	std::vector<alignedMatType> SIMD;
-	std::printf("- SIMD: %d us\n", launch_mat_div_mat<alignedMatType>(SIMD, Transform, Scale, Samples));
-
-	for(std::size_t i = 0; i < Samples; ++i)
-	{
-		packedMatType const A = SISD[i];
-		packedMatType const B = SIMD[i];
-		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
-		assert(!Error);
-	}
-	
-	return Error;
-}
-
-template <typename packedMatType, typename alignedMatType>
-static int comp_mat4_div_mat4(std::size_t Samples)
-{
-	typedef typename packedMatType::value_type T;
-	
-	int Error = 0;
-
-	packedMatType const Transform(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
-	packedMatType const Scale(0.01, 0.02, 0.05, 0.04, 0.02, 0.08, 0.05, 0.01, 0.08, 0.03, 0.05, 0.06, 0.02, 0.03, 0.07, 0.05);
-
-	std::vector<packedMatType> SISD;
-	std::printf("- SISD: %d us\n", launch_mat_div_mat<packedMatType>(SISD, Transform, Scale, Samples));
-
-	std::vector<alignedMatType> SIMD;
-	std::printf("- SIMD: %d us\n", launch_mat_div_mat<alignedMatType>(SIMD, Transform, Scale, Samples));
-
-	for(std::size_t i = 0; i < Samples; ++i)
-	{
-		packedMatType const A = SISD[i];
-		packedMatType const B = SIMD[i];
-		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
-		assert(!Error);
-	}
-	
-	return Error;
-}
-
-int main()
-{
-	std::size_t const Samples = 100000;
-
-	int Error = 0;
-
-	std::printf("mat2 / mat2:\n");
-	Error += comp_mat2_div_mat2<glm::mat2, glm::aligned_mat2>(Samples);
-	
-	std::printf("dmat2 / dmat2:\n");
-	Error += comp_mat2_div_mat2<glm::dmat2, glm::aligned_dmat2>(Samples);
-
-	std::printf("mat3 / mat3:\n");
-	Error += comp_mat3_div_mat3<glm::mat3, glm::aligned_mat3>(Samples);
-	
-	std::printf("dmat3 / dmat3:\n");
-	Error += comp_mat3_div_mat3<glm::dmat3, glm::aligned_dmat3>(Samples);
-
-	std::printf("mat4 / mat4:\n");
-	Error += comp_mat4_div_mat4<glm::mat4, glm::aligned_mat4>(Samples);
-	
-	std::printf("dmat4 / dmat4:\n");
-	Error += comp_mat4_div_mat4<glm::dmat4, glm::aligned_dmat4>(Samples);
-
-	return Error;
-}
-
-#else
-
-int main()
-{
-	return 0;
-}
-
-#endif