sync

TODO

@@ -42,8 +42,13 @@
 	vips invfft1-1: done in 0s          
 	Segmentation fault
 
+  works in 7.26 with the same libfftw, perhaps the iochecks we removed?
+
   add a test to the suite
 
+  remove the old fft fallback
+
+
 
 
 - we have VipsArrayObject and also vips_object_local_array()

libvips/freq_filt/im_invfftr.c

@@ -175,7 +175,9 @@ invfft1( IMAGE *dummy, IMAGE *in, IMAGE *out )
         if( im_cp_desc( real, in ) )
                 return( -1 );
 	real->BandFmt = IM_BANDFMT_DOUBLE;
-        if( im_setupout( real ) )
+        if( im_setupout( real ) ||
+		im_incheck( cmplx ) ||
+		im_incheck( real ) )
                 return( -1 );
 
 	/* Build half-complex image.