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added 6 characters in body

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edited Aug 19, 2014 at 13:41

197.2k
67
447
975

C and other languages with integer division, 15.204 14.644 1414.084 11.084864

unsigned char toUpper(unsigned char c){
    return c - ((c/97) &^ (1 - c/123)) << 5;
}

unsigned char toLower(unsigned char c){
    return c + ((c/65) &^ (1 - c/91)) << 5;
}

C and other languages with integer division, 15.204 14.644 14.084

unsigned char toUpper(unsigned char c){
    return c - ((c/97) & (1 - c/123)) << 5;
}

unsigned char toLower(unsigned char c){
    return c + ((c/65) & (1 - c/91)) << 5;
}

C and other languages with integer division, 15.204 14.644 14.084 11.864

unsigned char toUpper(unsigned char c){
    return c - ((c/97) ^ (c/123)) << 5;
}

unsigned char toLower(unsigned char c){
    return c + ((c/65) ^ (c/91)) << 5;
}

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created Aug 19, 2014 at 13:32

Martin Ender

197.2k
67
447
975

C and other languages with integer division, 15.204 14.644 14.084

unsigned char toUpper(unsigned char c){
    return c - ((c/97) & (1 - c/123)) << 5;
}

unsigned char toLower(unsigned char c){
    return c + ((c/65) & (1 - c/91)) << 5;
}