diff --git a/magick/effect.c b/magick/effect.c
index a2294c1..77b89a7 100644
--- a/magick/effect.c
+++ b/magick/effect.c
@@ -4049,12 +4049,12 @@
qixel=bias;
if (((channel & OpacityChannel) == 0) || (image->matte == MagickFalse))
{
- for (i=0; i < (ssize_t) n; i+=step)
+ for (i=0; i < (ssize_t) n; i+=(ssize_t) step)
{
- (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t) (blur_center.x+
- center.x*cos_theta[i]-center.y*sin_theta[i]+0.5),(ssize_t) (
- blur_center.y+center.x*sin_theta[i]+center.y*cos_theta[i]+0.5),
- &pixel,exception);
+ (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t)
+ (blur_center.x+center.x*cos_theta[i]-center.y*sin_theta[i]+0.5),
+ (ssize_t) (blur_center.y+center.x*sin_theta[i]+center.y*
+ cos_theta[i]+0.5),&pixel,exception);
qixel.red+=pixel.red;
qixel.green+=pixel.green;
qixel.blue+=pixel.blue;
@@ -4088,12 +4088,12 @@
alpha=1.0;
gamma=0.0;
- for (i=0; i < (ssize_t) n; i+=step)
+ for (i=0; i < (ssize_t) n; i+=(ssize_t) step)
{
- (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t) (blur_center.x+
- center.x*cos_theta[i]-center.y*sin_theta[i]+0.5),(ssize_t) (
- blur_center.y+center.x*sin_theta[i]+center.y*cos_theta[i]+0.5),
- &pixel,exception);
+ (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t)
+ (blur_center.x+center.x*cos_theta[i]-center.y*sin_theta[i]+0.5),
+ (ssize_t) (blur_center.y+center.x*sin_theta[i]+center.y*
+ cos_theta[i]+0.5),&pixel,exception);
alpha=(MagickRealType) (QuantumScale*
GetAlphaPixelComponent(&pixel));
qixel.red+=alpha*pixel.red;
@@ -4652,7 +4652,7 @@
k++;
}
}
- j+=image->columns+width;
+ j+=(ssize_t) (image->columns+width);
}
if (gamma != 0.0)
{
@@ -4678,7 +4678,7 @@
k++;
}
}
- j+=image->columns+width;
+ j+=(ssize_t) (image->columns+width);
}
if (gamma != 0.0)
{
@@ -4710,7 +4710,7 @@
k++;
}
}
- j+=image->columns+width;
+ j+=(ssize_t) (image->columns+width);
}
if (gamma != 0.0)
{
@@ -4737,7 +4737,7 @@
k++;
}
}
- j+=image->columns+width;
+ j+=(ssize_t) (image->columns+width);
}
if (gamma != 0.0)
{
@@ -4765,7 +4765,7 @@
k++;
}
}
- j+=image->columns+width;
+ j+=(ssize_t) (image->columns+width);
}
if (gamma != 0.0)
{