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authorrtk0c <[email protected]>2022-06-03 23:25:43 -0700
committerrtk0c <[email protected]>2022-06-03 23:25:43 -0700
commitc2ef7737536bf1f8c81fcfae95c0183b21c9753f (patch)
tree903178f538f4d66e48a91e82827a0c91a0e42f99 /3rdparty/glm/source/test/gtx/gtx_matrix_factorisation.cpp
parent8510a85f79f706b93982b4e398b187b5f77081dd (diff)
Changeset: 62 Branch comment: [] [WIP] Initial migration
Diffstat (limited to '3rdparty/glm/source/test/gtx/gtx_matrix_factorisation.cpp')
-rw-r--r--3rdparty/glm/source/test/gtx/gtx_matrix_factorisation.cpp105
1 files changed, 0 insertions, 105 deletions
diff --git a/3rdparty/glm/source/test/gtx/gtx_matrix_factorisation.cpp b/3rdparty/glm/source/test/gtx/gtx_matrix_factorisation.cpp
deleted file mode 100644
index 6771dba..0000000
--- a/3rdparty/glm/source/test/gtx/gtx_matrix_factorisation.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-#define GLM_ENABLE_EXPERIMENTAL
-#include <glm/gtx/matrix_factorisation.hpp>
-#include <glm/gtc/constants.hpp>
-#include <glm/gtc/epsilon.hpp>
-
-template <glm::length_t C, glm::length_t R, typename T, glm::qualifier Q>
-int test_qr(glm::mat<C, R, T, Q> m)
-{
- int Error = 0;
-
- T const epsilon = static_cast<T>(1e-10);
-
- glm::mat<(C < R ? C : R), R, T, Q> q(-999);
- glm::mat<C, (C < R ? C : R), T, Q> r(-999);
-
- glm::qr_decompose(m, q, r);
-
- //Test if q*r really equals the input matrix
- glm::mat<C, R, T, Q> tm = q*r;
- glm::mat<C, R, T, Q> err = tm - m;
-
- for (glm::length_t i = 0; i < C; i++)
- for (glm::length_t j = 0; j < R; j++)
- Error += glm::abs(err[i][j]) > epsilon ? 1 : 0;
-
- //Test if the columns of q are orthonormal
- for (glm::length_t i = 0; i < (C < R ? C : R); i++)
- {
- Error += (length(q[i]) - 1) > epsilon ? 1 : 0;
-
- for (glm::length_t j = 0; j<i; j++)
- Error += glm::abs(dot(q[i], q[j])) > epsilon ? 1 : 0;
- }
-
- //Test if the matrix r is upper triangular
- for (glm::length_t i = 0; i < C; i++)
- for (glm::length_t j = i + 1; j < (C < R ? C : R); j++)
- Error += glm::epsilonEqual(r[i][j], static_cast<T>(0), glm::epsilon<T>()) ? 0 : 1;
-
- return Error;
-}
-
-template <glm::length_t C, glm::length_t R, typename T, glm::qualifier Q>
-int test_rq(glm::mat<C, R, T, Q> m)
-{
- int Error = 0;
-
- T const epsilon = static_cast<T>(1e-10);
-
- glm::mat<C, (C < R ? C : R), T, Q> q(-999);
- glm::mat<(C < R ? C : R), R, T, Q> r(-999);
-
- glm::rq_decompose(m, r, q);
-
- //Test if q*r really equals the input matrix
- glm::mat<C, R, T, Q> tm = r*q;
- glm::mat<C, R, T, Q> err = tm - m;
-
- for (glm::length_t i = 0; i < C; i++)
- for (glm::length_t j = 0; j < R; j++)
- Error += glm::abs(err[i][j]) > epsilon ? 1 : 0;
-
- //Test if the rows of q are orthonormal
- glm::mat<(C < R ? C : R), C, T, Q> tq = transpose(q);
-
- for (glm::length_t i = 0; i < (C < R ? C : R); i++)
- {
- Error += (length(tq[i]) - 1) > epsilon ? 1 : 0;
-
- for (glm::length_t j = 0; j<i; j++)
- Error += glm::abs(dot(tq[i], tq[j])) > epsilon ? 1 : 0;
- }
-
- //Test if the matrix r is upper triangular
- for (glm::length_t i = 0; i < (C < R ? C : R); i++)
- for (glm::length_t j = R - (C < R ? C : R) + i + 1; j < R; j++)
- Error += glm::epsilonEqual(r[i][j], static_cast<T>(0), glm::epsilon<T>()) ? 0 : 1;
-
- return Error;
-}
-
-int main()
-{
- int Error = 0;
-
- //Test QR square
- Error += test_qr(glm::dmat3(12.0, 6.0, -4.0, -51.0, 167.0, 24.0, 4.0, -68.0, -41.0)) ? 1 : 0;
-
- //Test RQ square
- Error += test_rq(glm::dmat3(12.0, 6.0, -4.0, -51.0, 167.0, 24.0, 4.0, -68.0, -41.0)) ? 1 : 0;
-
- //Test QR triangular 1
- Error += test_qr(glm::dmat3x4(12.0, 6.0, -4.0, -51.0, 167.0, 24.0, 4.0, -68.0, -41.0, 7.0, 2.0, 15.0)) ? 1 : 0;
-
- //Test QR triangular 2
- Error += test_qr(glm::dmat4x3(12.0, 6.0, -4.0, -51.0, 167.0, 24.0, 4.0, -68.0, -41.0, 7.0, 2.0, 15.0)) ? 1 : 0;
-
- //Test RQ triangular 1 : Fails at the triangular test
- Error += test_rq(glm::dmat3x4(12.0, 6.0, -4.0, -51.0, 167.0, 24.0, 4.0, -68.0, -41.0, 7.0, 2.0, 15.0)) ? 1 : 0;
-
- //Test QR triangular 2
- Error += test_rq(glm::dmat4x3(12.0, 6.0, -4.0, -51.0, 167.0, 24.0, 4.0, -68.0, -41.0, 7.0, 2.0, 15.0)) ? 1 : 0;
-
- return Error;
-}