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Fix for nibble packing.

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This commit is contained in:
Andrzej Kapolka 2013-06-11 16:00:14 -07:00
parent 74d63cdd1d
commit ee526265a1
1 changed files with 2 additions and 2 deletions
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4
libraries/shared/src/SharedUtil.cpp
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@ -102,12 +102,12 @@ void setAtBit(unsigned char& byte, int bitIndex) {
} }
int getSemiNibbleAt(unsigned char& byte, int bitIndex) { int getSemiNibbleAt(unsigned char& byte, int bitIndex) {
return (byte >> (7 - bitIndex) & 3); // semi-nibbles store 00, 01, 10, or 11 return (byte >> (6 - bitIndex) & 3); // semi-nibbles store 00, 01, 10, or 11
} }
void setSemiNibbleAt(unsigned char& byte, int bitIndex, int value) { void setSemiNibbleAt(unsigned char& byte, int bitIndex, int value) {
//assert(value <= 3 && value >= 0); //assert(value <= 3 && value >= 0);
byte += ((value & 3) << (7 - bitIndex)); // semi-nibbles store 00, 01, 10, or 11 byte += ((value & 3) << (6 - bitIndex)); // semi-nibbles store 00, 01, 10, or 11
} }