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, 154 deletions

diff --git a/3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp b/3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp
deleted file mode 100644
index 8e555f8..0000000
--- a/3rdparty/glm/source/test/perf/perf_matrix_mul_vector.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-#define GLM_FORCE_INLINE
-#include <glm/ext/matrix_float2x2.hpp>
-#include <glm/ext/matrix_double2x2.hpp>
-#include <glm/ext/matrix_float3x3.hpp>
-#include <glm/ext/matrix_double3x3.hpp>
-#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, typename vecType>
-static void test_mat_mul_vec(matType const& M, std::vector<vecType> const& I, std::vector<vecType>& O)
-{
-	for (std::size_t i = 0, n = I.size(); i < n; ++i)
-		O[i] = M * I[i];
-}
-
-template <typename matType, typename vecType>
-static int launch_mat_mul_vec(std::vector<vecType>& O, matType const& Transform, vecType const& Scale, std::size_t Samples)
-{
-	typedef typename matType::value_type T;
-
-	std::vector<vecType> I(Samples);
-	O.resize(Samples);
-
-	for(std::size_t i = 0; i < Samples; ++i)
-		I[i] = Scale * static_cast<T>(i);
-
-	std::chrono::high_resolution_clock::time_point t1 = std::chrono::high_resolution_clock::now();
-	test_mat_mul_vec<matType, vecType>(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 packedVecType, typename alignedMatType, typename alignedVecType>
-static int comp_mat2_mul_vec2(std::size_t Samples)
-{
-	typedef typename packedMatType::value_type T;
-	
-	int Error = 0;
-
-	packedMatType const Transform(1, 2, 3, 4);
-	packedVecType const Scale(0.01, 0.02);
-
-	std::vector<packedVecType> SISD;
-	std::printf("- SISD: %d us\n", launch_mat_mul_vec<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
-
-	std::vector<alignedVecType> SIMD;
-	std::printf("- SIMD: %d us\n", launch_mat_mul_vec<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
-
-	for(std::size_t i = 0; i < Samples; ++i)
-	{
-		packedVecType const A = SISD[i];
-		packedVecType const B = packedVecType(SIMD[i]);
-		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
-	}
-	
-	return Error;
-}
-
-template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType>
-static int comp_mat3_mul_vec3(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);
-	packedVecType const Scale(0.01, 0.02, 0.05);
-
-	std::vector<packedVecType> SISD;
-	std::printf("- SISD: %d us\n", launch_mat_mul_vec<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
-
-	std::vector<alignedVecType> SIMD;
-	std::printf("- SIMD: %d us\n", launch_mat_mul_vec<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
-
-	for(std::size_t i = 0; i < Samples; ++i)
-	{
-		packedVecType const A = SISD[i];
-		packedVecType const B = SIMD[i];
-		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
-	}
-	
-	return Error;
-}
-
-template <typename packedMatType, typename packedVecType, typename alignedMatType, typename alignedVecType>
-static int comp_mat4_mul_vec4(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);
-	packedVecType const Scale(0.01, 0.02, 0.03, 0.05);
-
-	std::vector<packedVecType> SISD;
-	std::printf("- SISD: %d us\n", launch_mat_mul_vec<packedMatType, packedVecType>(SISD, Transform, Scale, Samples));
-
-	std::vector<alignedVecType> SIMD;
-	std::printf("- SIMD: %d us\n", launch_mat_mul_vec<alignedMatType, alignedVecType>(SIMD, Transform, Scale, Samples));
-
-	for(std::size_t i = 0; i < Samples; ++i)
-	{
-		packedVecType const A = SISD[i];
-		packedVecType const B = SIMD[i];
-		Error += glm::all(glm::equal(A, B, static_cast<T>(0.001))) ? 0 : 1;
-	}
-	
-	return Error;
-}
-
-int main()
-{
-	std::size_t const Samples = 100000;
-	
-	int Error = 0;
-
-	std::printf("mat2 * vec2:\n");
-	Error += comp_mat2_mul_vec2<glm::mat2, glm::vec2, glm::aligned_mat2, glm::aligned_vec2>(Samples);
-	
-	std::printf("dmat2 * dvec2:\n");
-	Error += comp_mat2_mul_vec2<glm::dmat2, glm::dvec2,glm::aligned_dmat2, glm::aligned_dvec2>(Samples);
-
-	std::printf("mat3 * vec3:\n");
-	Error += comp_mat3_mul_vec3<glm::mat3, glm::vec3, glm::aligned_mat3, glm::aligned_vec3>(Samples);
-	
-	std::printf("dmat3 * dvec3:\n");
-	Error += comp_mat3_mul_vec3<glm::dmat3, glm::dvec3, glm::aligned_dmat3, glm::aligned_dvec3>(Samples);
-
-	std::printf("mat4 * vec4:\n");
-	Error += comp_mat4_mul_vec4<glm::mat4, glm::vec4, glm::aligned_mat4, glm::aligned_vec4>(Samples);
-	
-	std::printf("dmat4 * dvec4:\n");
-	Error += comp_mat4_mul_vec4<glm::dmat4, glm::dvec4, glm::aligned_dmat4, glm::aligned_dvec4>(Samples);
-
-	return Error;
-}
-
-#else
-
-int main()
-{
-	return 0;
-}
-
-#endif