fix: correct double increment on flow denoisers sigma calculations (#1372)

wbruna · web-flow · commit dd753729cc99 · 2026-04-08T23:13:05.000+08:00
diff --git a/src/denoiser.hpp b/src/denoiser.hpp
@@ -668,8 +668,8 @@ struct DiscreteFlowDenoiser : public Denoiser {
     }
 
     void set_parameters() {
-        for (int i = 1; i < TIMESTEPS + 1; i++) {
-            sigmas[i - 1] = t_to_sigma(static_cast<float>(i));
+        for (int i = 0; i < TIMESTEPS; i++) {
+            sigmas[i] = t_to_sigma(static_cast<float>(i));
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -668,8 +668,8 @@ struct DiscreteFlowDenoiser : public Denoiser {`
`668`	`668`	`}`
`669`	`669`
`670`	`670`	`void set_parameters() {`
`671`		`- for (int i = 1; i < TIMESTEPS + 1; i++) {`
`672`		`- sigmas[i - 1] = t_to_sigma(static_cast<float>(i));`
	`671`	`+ for (int i = 0; i < TIMESTEPS; i++) {`
	`672`	`+ sigmas[i] = t_to_sigma(static_cast<float>(i));`
`673`	`673`	`}`
`674`	`674`	`}`
`675`	`675`