From 24bb7bef76114710e0238a3c131c0e541277dbc4 Mon Sep 17 00:00:00 2001
From: haibane_tenshi <obscure.sanctum@gmail.com>
Date: Thu, 16 Dec 2021 18:50:15 +0300
Subject: [PATCH 1/2] fix(Matrix): relax T: Zero bound on Matrix::select_rows()
 and Matrix::select_columns()

---
 src/base/edition.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/base/edition.rs b/src/base/edition.rs
index 45ba1846..760b3950 100644
--- a/src/base/edition.rs
+++ b/src/base/edition.rs
@@ -14,7 +14,7 @@ use crate::base::{DefaultAllocator, Matrix, OMatrix, RowVector, Scalar, Vector};
 use crate::{Storage, UninitMatrix};
 use std::mem::MaybeUninit;
 
-/// # Rows and columns extraction
+/// # Triangular matrix extraction
 impl<T: Scalar + Zero, R: Dim, C: Dim, S: Storage<T, R, C>> Matrix<T, R, C, S> {
     /// Extracts the upper triangular part of this matrix (including the diagonal).
     #[inline]
@@ -41,7 +41,10 @@ impl<T: Scalar + Zero, R: Dim, C: Dim, S: Storage<T, R, C>> Matrix<T, R, C, S> {
 
         res
     }
+}
 
+/// # Rows and columns extraction
+impl<T: Scalar, R: Dim, C: Dim, S: Storage<T, R, C>> Matrix<T, R, C, S> {
     /// Creates a new matrix by extracting the given set of rows from `self`.
     #[cfg(any(feature = "std", feature = "alloc"))]
     #[must_use]

From a6007de409c879d5444d4165224141147846bf49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Crozet?= <developer@crozet.re>
Date: Thu, 30 Dec 2021 21:55:29 +0100
Subject: [PATCH 2/2] Add "Triangular matrix extraction" bullet to Matrix
 documentation

---
 src/base/matrix.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/base/matrix.rs b/src/base/matrix.rs
index 5df2f78e..a6144ffd 100644
--- a/src/base/matrix.rs
+++ b/src/base/matrix.rs
@@ -92,6 +92,7 @@ pub type MatrixCross<T, R1, C1, R2, C2> =
 /// - [Interpolation <span style="float:right;">`lerp`, `slerp`…</span>](#interpolation)
 /// - [BLAS functions <span style="float:right;">`gemv`, `gemm`, `syger`…</span>](#blas-functions)
 /// - [Swizzling <span style="float:right;">`xx`, `yxz`…</span>](#swizzling)
+/// - [Triangular matrix extraction <span style="float:right;">`upper_triangle`, `lower_triangle`</span>](#triangular-matrix-extraction)
 ///
 /// #### Statistics
 /// - [Common operations <span style="float:right;">`row_sum`, `column_mean`, `variance`…</span>](#common-statistics-operations)