From 78f166174f126345ed87cc8f6941af1905c4a0f2 Mon Sep 17 00:00:00 2001
From: Georgi Gerganov <ggerganov@gmail.com>
Date: Sun, 22 Jan 2023 10:47:01 +0200
Subject: [PATCH] whisper : fix condition for providing past prompt (critical)

This bug has been present since v1.1.0.

Effectively, the past transcribed text wasn't being used for following
transcriptions, which likely significantly reduces the transcription
quality.

Likely related to #419
---
 whisper.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/whisper.cpp b/whisper.cpp
index 6014cb18..81458a59 100644
--- a/whisper.cpp
+++ b/whisper.cpp
@@ -3449,7 +3449,7 @@ int whisper_full(
                 prompt.clear();
 
                 // if we have already generated some text, use it as a prompt to condition the next generation
-                if (!prompt_past.empty() && t_cur > 0.5f) {
+                if (!prompt_past.empty() && t_cur < 0.5f) {
                     int n_take = std::min(std::min(params.n_max_text_ctx, whisper_n_text_ctx(ctx)/2), int(prompt_past.size()));
 
                     prompt = { whisper_token_prev(ctx) };