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<?php function diff($t, $o){ $t = deg2rad($t); $o = deg2rad($o); if($t<0)$t += M_PI_2; if($o<0)$o += M_PI_2; $diff = abs($t-$o ); $diff = min( M_PI_2 - $diff, $diff); echo rad2deg($diff) .PHP_EOL; } diff(-1,1);//2 diff(-90,90);//180 diff(-179,179);//2
Output for git.master, git.master_jit, rfc.property-hooks
2 0 -178

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