From: Cristy <urban-warrior@imagemagick.org>
Date: Sun, 11 Mar 2018 14:23:51 +0000 (-0400)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6805
X-Git-Tag: 7.0.7-26~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=90c0a13b1a470ce003a63f52892d42d21098c59e;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6805
---

diff --git a/MagickCore/distort.c b/MagickCore/distort.c
index d07486a60..1403f3abe 100644
--- a/MagickCore/distort.c
+++ b/MagickCore/distort.c
@@ -2824,7 +2824,7 @@ MagickExport Image *RotateImage(const Image *image,const double degrees,
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickCoreSignature);
-  angle=degrees-(360.0*floor(degrees/360.0));
+  angle=fmod(degrees,360.0);
   while (angle < -45.0)
     angle+=360.0;
   for (rotations=0; angle > 45.0; rotations++)
diff --git a/MagickCore/shear.c b/MagickCore/shear.c
index b6a627081..82568ec57 100644
--- a/MagickCore/shear.c
+++ b/MagickCore/shear.c
@@ -1742,7 +1742,7 @@ MagickExport Image *ShearRotateImage(const Image *image,const double degrees,
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
   assert(exception != (ExceptionInfo *) NULL);
   assert(exception->signature == MagickCoreSignature);
-  angle=degrees-(360.0*floor(degrees/360.0));
+  angle=fmod(degrees,360.0);
   if (angle < -45.0)
     angle+=360.0;
   for (rotations=0; angle > 45.0; rotations++)