nohalo resampler simplification/speed up
nohalo resampler simplification/speed up

wishabi/libvips,lovell/libvips,jcupitt/libvips,jcupitt/libvips,leiyangyou/libvips,mcanthony/libvips,jcupitt/libvips,leiyangyou/libvips,mcanthony/libvips,lovell/libvips,wishabi/libvips,wishabi/libvips,leiyangyou/libvips,leiyangyou/libvips,lovell/libvips,jcupitt/libvips,wishabi/libvips,mcanthony/libvips,lovell/libvips,mcanthony/libvips