//rotate right
uint32_t ror(uint32_t value, int amount, int Sbit, struct state *sPtr){
uint32_t rotated = 0;
for(int i = 31; i >= 0; i--){
rotated <<= 1;
int pos = (i+32+amount)%32;
rotated |= checkBin(value, pos, pos);
if(Sbit == 1){
setCBit(checkBin(rotated,31,31), sPtr);
}
}
return rotated;
}
void setCPSR(uint32_t result, int Sbit, struct state *sPtr){
if(Sbit == 1){
if(result == 0){
setZBit(1, sPtr);
} else {
setZBit(0, sPtr);
}
setNBit(checkBin(result,31,31), sPtr);
}
}
//logical shift left
uint32_t lsl(uint32_t value, int amount, int Sbit, struct state *sPtr){
uint32_t shifted = value << amount;
if(amount != 0){
int carry = checkBin(value, 32-amount, 32-amount);
if(Sbit == 1){
setCBit(carry, sPtr);
}
}
return shifted;
}
double crossValidation(const std::vector<Example>& examples,
const std::vector<unsigned>& topology, unsigned bins)
{
std::vector<Example> shuff(examples);
std::random_shuffle(shuff.begin(), shuff.end());
std::vector<Examples> sets;
partition(sets, shuff, bins);
double error = 0.0;
for(unsigned i = 0; i < bins; i++) {
error += checkBin(i, sets, topology, examples.size());
}
return error / bins;
}
int main(int argc, char** argv) {
char* appDir = getenv("APPDIR");
char bin[] = "ls";
if (appDir == NULL) {
fprintf(stderr, "Invalid application directory.\n");
return 1;
}
char* cmd = (char*)malloc((strlen(appDir) + 1 + strlen(bin) + 1) * sizeof(char));
strcpy(cmd, appDir);
strcat(cmd, "/");
strcat(cmd, bin);
if (checkBin(cmd)) {
system(cmd);
} else {
printf("The binary is corrupted.\n");
}
return 0;
}
uint32_t rotateRTwo(uint32_t exp) { //Rotate right twice to for operand immediate check
int lastTwo = checkBin(exp, 0, 1);
exp >>= 2;
exp |= lastTwo << 30;
return exp;
}
