From c7b09b8efc5a8257552e0787fd86897bd122f3e4 Mon Sep 17 00:00:00 2001
From: Calixte Denizet <calixte.denizet@gmail.com>
Date: Thu, 10 Dec 2020 18:43:04 +0100
Subject: [PATCH] JS -- fix printd issue with negative number

---
 src/scripting_api/util.js   | 4 ++--
 test/unit/scripting_spec.js | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/scripting_api/util.js b/src/scripting_api/util.js
index 8805a48ee..1e0ccdd8b 100644
--- a/src/scripting_api/util.js
+++ b/src/scripting_api/util.js
@@ -154,9 +154,9 @@ class Util extends PDFObject {
         let decPart = "";
         if (cConvChar === "f") {
           if (nPrecision !== undefined) {
-            decPart = (arg - intPart).toFixed(nPrecision);
+            decPart = Math.abs(arg - intPart).toFixed(nPrecision);
           } else {
-            decPart = (arg - intPart).toString();
+            decPart = Math.abs(arg - intPart).toString();
           }
           if (decPart.length > 2) {
             decPart = `${decimalSep}${decPart.substring(2)}`;
diff --git a/test/unit/scripting_spec.js b/test/unit/scripting_spec.js
index b30ef1a71..9162bc14d 100644
--- a/test/unit/scripting_spec.js
+++ b/test/unit/scripting_spec.js
@@ -209,6 +209,11 @@ describe("Scripting", function () {
               expect(value).toEqual("Decimal number: +  1.235");
             }
           ),
+          myeval(`util.printf("Decimal number: %,0.2f", -12.34567)`).then(
+            value => {
+              expect(value).toEqual("Decimal number: -12.35");
+            }
+          ),
         ]).then(() => done());
       });