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Lines Matching refs:delta

214       png_byte delta = png_sRGB_delta[ibase >> 7], trydelta = delta, od=delta;
255             else if (trydelta > delta)
257                delta = trydelta;
260             else if (trydelta < delta)
262                delta = trydelta;
282             else if (trydelta > delta)
283                trydelta = delta-1;
284             else if (trydelta < delta)
290       png_sRGB_delta[ibase >> 7] = delta;
291       if (base != ob || delta != od)
294             ibase>>7, ob, od, base, delta, eco, ecbase);