Created
February 27, 2017 23:08
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Function for reversing the bits in a 32bit number
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| reverse32 = (x) => | |
| let | |
| b0 = Number.BitwiseAnd(x,0xff), | |
| b1 = Number.BitwiseShiftRight(Number.BitwiseAnd(x,0xff00),8), | |
| b2 = Number.BitwiseShiftRight(Number.BitwiseAnd(x,0xff0000),16), | |
| b3 = Number.BitwiseShiftRight(Number.BitwiseAnd(x,0xff000000),24) | |
| in | |
| Number.BitwiseOr( | |
| Number.BitwiseOr( | |
| Number.BitwiseShiftLeft(reverse(b0),24), | |
| Number.BitwiseShiftLeft(reverse(b1),16)), | |
| Number.BitwiseOr( | |
| Number.BitwiseShiftLeft(reverse(b2),8), | |
| reverse(b3))) |
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