163   register JSAMPROW inptr, outptr;  in int_upsample()  local
177     outptr = output_data[outrow];  in int_upsample()
178     outend = outptr + cinfo->output_width;  in int_upsample()
179     while (outptr < outend) {  in int_upsample()
182         *outptr++ = invalue;  in int_upsample()
206   register JSAMPROW inptr, outptr;  in h2v1_upsample()  local
213     outptr = output_data[inrow];  in h2v1_upsample()
214     outend = outptr + cinfo->output_width;  in h2v1_upsample()
215     while (outptr < outend) {  in h2v1_upsample()
217       *outptr++ = invalue;  in h2v1_upsample()
218       *outptr++ = invalue;  in h2v1_upsample()
234   register JSAMPROW inptr, outptr;  in h2v2_upsample()  local
242     outptr = output_data[outrow];  in h2v2_upsample()
243     outend = outptr + cinfo->output_width;  in h2v2_upsample()
244     while (outptr < outend) {  in h2v2_upsample()
246       *outptr++ = invalue;  in h2v2_upsample()
247       *outptr++ = invalue;  in h2v2_upsample()
277   register JSAMPROW inptr, outptr;  in h2v1_fancy_upsample()  local
284     outptr = output_data[inrow];  in h2v1_fancy_upsample()
287     *outptr++ = (JSAMPLE)invalue;  in h2v1_fancy_upsample()
288     *outptr++ = (JSAMPLE)((invalue * 3 + inptr[0] + 2) >> 2);  in h2v1_fancy_upsample()
293       *outptr++ = (JSAMPLE)((invalue + inptr[-2] + 1) >> 2);  in h2v1_fancy_upsample()
294       *outptr++ = (JSAMPLE)((invalue + inptr[0] + 2) >> 2);  in h2v1_fancy_upsample()
299     *outptr++ = (JSAMPLE)((invalue * 3 + inptr[-1] + 1) >> 2);  in h2v1_fancy_upsample()
300     *outptr++ = (JSAMPLE)invalue;  in h2v1_fancy_upsample()
317   JSAMPROW inptr0, inptr1, outptr;  in h1v2_fancy_upsample()  local
338       outptr = output_data[outrow++];  in h1v2_fancy_upsample()
342         *outptr++ = (JSAMPLE)((thiscolsum + bias) >> 2);  in h1v2_fancy_upsample()
363   register JSAMPROW inptr0, inptr1, outptr;  in h2v2_fancy_upsample()  local
381       outptr = output_data[outrow++];  in h2v2_fancy_upsample()
386       *outptr++ = (JSAMPLE)((thiscolsum * 4 + 8) >> 4);  in h2v2_fancy_upsample()
387       *outptr++ = (JSAMPLE)((thiscolsum * 3 + nextcolsum + 7) >> 4);  in h2v2_fancy_upsample()
394         *outptr++ = (JSAMPLE)((thiscolsum * 3 + lastcolsum + 8) >> 4);  in h2v2_fancy_upsample()
395         *outptr++ = (JSAMPLE)((thiscolsum * 3 + nextcolsum + 7) >> 4);  in h2v2_fancy_upsample()
400       *outptr++ = (JSAMPLE)((thiscolsum * 3 + lastcolsum + 8) >> 4);  in h2v2_fancy_upsample()
401       *outptr++ = (JSAMPLE)((thiscolsum * 4 + 7) >> 4);  in h2v2_fancy_upsample()