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-rw-r--r--log-fourier_integrator.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/log-fourier_integrator.cpp b/log-fourier_integrator.cpp
index 412b4d9..5544f18 100644
--- a/log-fourier_integrator.cpp
+++ b/log-fourier_integrator.cpp
@@ -86,7 +86,11 @@ int main(int argc, char* argv[]) {
/* Start from the exact solution for β = 0 */
for (unsigned n = 0; n < N; n++) {
if (τ₀ > 0) {
- Cₜ₋₁[n] = Γ₀ * (exp(-μₜ₋₁ * fft.t(n)) - μₜ₋₁ * τ₀ * exp(-fft.t(n) / τ₀)) / (μₜ₋₁ - pow(μₜ₋₁, 3) * pow(τ₀, 2));
+ if (τ₀ == 2) {
+ Cₜ₋₁[n] = Γ₀ * exp(-fft.t(n) / 2) * (1 + fft.t(n) / 2);
+ } else {
+ Cₜ₋₁[n] = Γ₀ * (exp(-μₜ₋₁ * fft.t(n)) - μₜ₋₁ * τ₀ * exp(-fft.t(n) / τ₀)) / (μₜ₋₁ - pow(μₜ₋₁, 3) * pow(τ₀, 2));
+ }
} else {
Cₜ₋₁[n] = Γ₀ * exp(-μₜ₋₁ * fft.t(n)) / μₜ₋₁;
}