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#include <cassert>
#include <cstring>
#ifndef _USE_MATH_DEFINES
#define _USE_MATH_DEFINES
#endif
#include <cmath>
#include <algorithm>
#include "ExternalAI/IAICallback.h"
#include "./Util.hpp"
namespace util {
std::string GetAbsFileName(IAICallback* cb, const std::string& relFileName, bool readonly) {
char dst[2048];
sprintf(dst, "%s", relFileName.c_str());
// get the absolute path to the file
// (and create folders along the way)
if (readonly) {
cb->GetValue(AIVAL_LOCATE_FILE_R, dst);
} else {
cb->GetValue(AIVAL_LOCATE_FILE_W, dst);
}
return (std::string(dst));
}
void StringToLowerInPlace(std::string& s) {
std::transform(s.begin(), s.end(), s.begin(), (int (*)(int))tolower);
}
std::string StringToLower(std::string s) {
StringToLowerInPlace(s);
return s;
}
std::string StringStripSpaces(const std::string& s1) {
std::string s2; s2.reserve(s1.size());
for (std::string::const_iterator it = s1.begin(); it != s1.end(); it++) {
if (!isspace(*it)) {
s2.push_back(*it);
}
}
return s2;
}
int RemoveWhiteSpaceInPlace(std::string &line) {
int num = 0;
for ( int i = 0, j ; i < line.length() ; ++ i ) {
if ( line [i] == ' ' || line[i] == '\t') {
for ( j = i + 1; j < line.length ( ) ; ++j )
{
if ( line [j] != ' ' || line[i] == '\t')
break ;
}
num += (j - i);
line = line.erase(i, (j - i));
}
}
return num;
}
float WeightedAverage(std::list<float>& V, std::list<float>& W) {
float wavg = 0.0f;
std::list<float>::const_iterator v, w;
for (w = W.begin(), v = V.begin(); v != V.end() && w != W.end(); w++, v++)
wavg += ((*w) * (*v));
return wavg;
}
bool IsBinarySubset(unsigned A, unsigned B) {
unsigned cA = CountOneBits(A);
unsigned cAandB = CountOneBits(A&B);
return (cA == cAandB);
}
unsigned int CountOneBits(unsigned int n) {
const int S[] = {1, 2, 4, 8, 16};
const int B[] = {0x55555555, 0x33333333, 0x0F0F0F0F, 0x00FF00FF, 0x0000FFFF};
int c = n;
c = ((c >> S[0]) & B[0]) + (c & B[0]);
c = ((c >> S[1]) & B[1]) + (c & B[1]);
c = ((c >> S[2]) & B[2]) + (c & B[2]);
c = ((c >> S[3]) & B[3]) + (c & B[3]);
c = ((c >> S[4]) & B[4]) + (c & B[4]);
return c;
}
float GaussDens(float x, float mu, float sigma) {
const float a = 1.0f / (sigma * std::sqrt(2.0f * M_PI));
const float b = std::exp(-(((x - mu) * (x - mu)) / (2.0f * sigma * sigma)));
return (a * b);
}
}
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