From d717e5481f21887010277d33edce9bf0146da892 Mon Sep 17 00:00:00 2001
From: WangXuan95 <629708558@qq.com>
Date: Fri, 8 Apr 2022 14:02:37 +0800
Subject: [PATCH] update

---
 RTL/hard_png.sv | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/RTL/hard_png.sv b/RTL/hard_png.sv
index f38ef22..9fe6bcb 100644
--- a/RTL/hard_png.sv
+++ b/RTL/hard_png.sv
@@ -917,12 +917,12 @@ function automatic logic [7:0] paeth(input [7:0] a, input [7:0] b, input [7:0] c
     pa = p > sa ? p - sa : sa - p;
     pb = p > sb ? p - sb : sb - p;
     pc = p > sc ? p - sc : sc - p;
-	if (pa <= pb && pa <= pc)
-		return a;
-	else if (pb <= pc)
-		return b;
-	else
-		return c;
+    if (pa <= pb && pa <= pc)
+        return a;
+    else if (pb <= pc)
+        return b;
+    else
+        return c;
 endfunction
 
 reg         nfirstrow = 1'b0;