From 5b3dabf5dccbecf2d081f3f194501440a7af2b63 Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Fri, 20 Dec 2019 15:03:34 -0500
Subject: maybe now
---
hadamard_pt.hpp | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
diff --git a/hadamard_pt.hpp b/hadamard_pt.hpp
index f101446..a1123d5 100644
--- a/hadamard_pt.hpp
+++ b/hadamard_pt.hpp
@@ -81,16 +81,21 @@ public:
Ms[j].tune(m, ε);
}
- for (unsigned j = 0; j < Ms.size() - 1; j++) {
- if (this->step(j, j + 1, true)) {
- std::swap(colors[j], colors[j + 1]);
- colors.front() = down;
- colors.back() = up;
+ for (unsigned j = 0; j < Ms.size() / 2; j++) {
+ unsigned k = 2 * j;
+ if (this->step(k, k + 1, true)) {
+ std::swap(colors[k], colors[k + 1]);
+ colors.front() = down;
+ colors.back() = up;
}
- if (this->step(Ms.size() - 2 - j, Ms.size() - 1 - j, true)) {
- std::swap(colors[Ms.size() - 2 - j], colors[Ms.size() - 1 - j]);
- colors.front() = down;
- colors.back() = up;
+ }
+
+ for (unsigned j = 0; j < Ms.size() / 2 - 1; j++) {
+ unsigned k = 2 * j + 1;
+ if (this->step(k, k + 1, true)) {
+ std::swap(colors[k], colors[k + 1]);
+ colors.front() = down;
+ colors.back() = up;
}
}
--
cgit v1.2.3-70-g09d2