small clean up (the compiler did this optimization anyway)
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@ -128,11 +128,13 @@ static cell_t getcell(field_t pf, coord_t x, coord_t y){
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uint8_t countsurroundingalive(field_t pf, coord_t x, coord_t y){
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static int8_t const offset[] = {-1, -1, 0, +1, +1, +1, 0, -1, -1, -1};
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x += XSIZE;
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y += YSIZE;
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uint8_t i, ret=0;
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for (i = 8; i--;)
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{
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// getcell(...) returns either 0 or 1
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ret += getcell(pf,(XSIZE+x+offset[i+2])%XSIZE, (YSIZE+y+offset[i])%YSIZE);
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ret += getcell(pf,(x+offset[i+2])%XSIZE, (y+offset[i])%YSIZE);
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}
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return ret;
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