fix: no panic for degree missing

powdr-labs · Aug 15, 2023 · 5e85c33 · 5e85c33
1 parent be33b49
commit 5e85c33
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/starky/src/fft_p.rs b/starky/src/fft_p.rs
@@ -160,6 +160,9 @@ pub fn _fft(
     }
     (bin, bout) = (bout, bin);
 
+    if n_pols <= 0 {
+        return;
+    }
     rayon::scope(|_s| {
         for i in (0..nbits).step_by(blockbits) {
             let s_inc = min(blockbits, nbits - i);