From 73f4eaba3a08a5e1b85512868c3916c7fd4e4571 Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Thu, 8 May 2025 18:11:35 -0300
Subject: Updated to work with shift

---
 log_get_energy.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'log_get_energy.cpp')

diff --git a/log_get_energy.cpp b/log_get_energy.cpp
index ae17f6f..b01034c 100644
--- a/log_get_energy.cpp
+++ b/log_get_energy.cpp
@@ -15,6 +15,8 @@ int main(int argc, char* argv[]) {
   unsigned log2n = 8;
   Real Δτ = 0.1;
   Real k = 0.1;
+  unsigned pad = 2;
+  Real shift = 0.5;
 
   /* Iteration parameters */
   Real β₀ = 0;
@@ -23,7 +25,7 @@ int main(int argc, char* argv[]) {
 
   int opt;
 
-  while ((opt = getopt(argc, argv, "p:s:2:T:t:b:d:k:D:0:")) != -1) {
+  while ((opt = getopt(argc, argv, "p:s:2:T:t:b:d:k:D:0:h:")) != -1) {
     switch (opt) {
     case 'p':
       p = atoi(optarg);
@@ -46,6 +48,9 @@ int main(int argc, char* argv[]) {
     case 'k':
       k = atof(optarg);
       break;
+    case 'h':
+      shift = atof(optarg);
+      break;
     case 'D':
       Δτ = atof(optarg);
       break;
@@ -59,7 +64,7 @@ int main(int argc, char* argv[]) {
 
   unsigned N = pow(2, log2n);
 
-  LogarithmicFourierTransform fft(N, k, Δτ, 4);
+  LogarithmicFourierTransform fft(N, k, Δτ, pad, shift);
 
   std::vector<Real> C(N);
   std::vector<Real> R(N);
@@ -71,7 +76,7 @@ int main(int argc, char* argv[]) {
   std::cout << std::setprecision(16);
 
   while (β += Δβ, β <= βₘₐₓ) {
-    if (logFourierLoad(C, R, Ct, Rt, p, s, λ, τ₀, β, log2n, Δτ, k)) {
+    if (logFourierLoad(C, R, Ct, Rt, p, s, λ, τ₀, β, log2n, Δτ, shift)) {
 
       Real e = energy(fft, C, R, p, s, λ, β);
 
-- 
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