Simplified code

Author: radarhere

src/libImaging/Filter.c

@@ -470,8 +470,7 @@ ImagingFilter(Imaging im, int xsize, int ysize, const FLOAT32 *kernel, FLOAT32 o
     Imaging imOut;
     ImagingSectionCookie cookie;
 
-    if (im->type == IMAGING_TYPE_FLOAT32 ||
-        (im->type == IMAGING_TYPE_I16 && im->bands != 1)) {
+    if (im->type == IMAGING_TYPE_FLOAT32) {
         return (Imaging)ImagingError_ModeError();
     }
 

src/libImaging/Reduce.c

@@ -1452,11 +1452,8 @@ ImagingReduce(Imaging imIn, int xscale, int yscale, int box[4]) {
     ImagingSectionCookie cookie;
     Imaging imOut = NULL;
 
-    if (imIn->mode == IMAGING_MODE_P || imIn->mode == IMAGING_MODE_1) {
-        return (Imaging)ImagingError_ModeError();
-    }
-
-    if (imIn->type == IMAGING_TYPE_I16) {
+    if (imIn->mode == IMAGING_MODE_P || imIn->mode == IMAGING_MODE_1 ||
+        imIn->type == IMAGING_TYPE_I16) {
         return (Imaging)ImagingError_ModeError();
     }
 

src/libImaging/Resample.c

@@ -718,12 +718,8 @@ ImagingResample(Imaging imIn, int xsize, int ysize, int filter, float box[4]) {
     }
 
     if (imIn->type == IMAGING_TYPE_I16) {
-        if (isModeI16(imIn->mode)) {
-            ResampleHorizontal = _ImagingResampleHorizontal_16bpc;
-            ResampleVertical = _ImagingResampleVertical_16bpc;
-        } else {
-            return (Imaging)ImagingError_ModeError();
-        }
+        ResampleHorizontal = _ImagingResampleHorizontal_16bpc;
+        ResampleVertical = _ImagingResampleVertical_16bpc;
     } else if (imIn->image8) {
         ResampleHorizontal = _ImagingResampleHorizontal_8bpc;
         ResampleVertical = _ImagingResampleVertical_8bpc;