本文整理汇总了C++中Scanner::nextInColumn方法的典型用法代码示例。如果您正苦于以下问题：C++ Scanner::nextInColumn方法的具体用法？C++ Scanner::nextInColumn怎么用？C++ Scanner::nextInColumn使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Scanner的用法示例。
在下文中一共展示了Scanner::nextInColumn方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main (int argc, char *argv[])
{
// argc should be 4 for correct execution
if (argc != 4)
{
std::cout << "Wrong input. Usage: strassen mode dimension inputfile" << std::endl;
return 1;
}
// get parameters
else
{
const unsigned short int mode = atoi(argv[1]);
std::cout << mode << std::endl;
const unsigned int dimension = atoi(argv[2]);
char * inputfile = argv[3];
switch(mode)
{
// Read inout from the file
case 0:
{
std::ifstream infile;
infile.open (inputfile);
unsigned int len = dimension*dimension;
char* line = (char*) malloc(sizeof(char)*10);
if (infile.is_open())
{
int * dataA = (int*) malloc(sizeof(int)*len);
int * dataB = (int*) malloc(sizeof(int)*len);
if(dataA == NULL || dataB == NULL)
{
std::cout << "error allocating memory" << std::endl;
return 1;
}
for (unsigned int i = 0; i < len; ++i)
{
infile >> line;
dataA[i] = atoi(line);
}
for (unsigned int j = 0; j < dimension; ++j)
{
for (unsigned int i = 0; i < dimension; ++i)
{
infile >> line;
dataB[i*dimension+j] = atoi(line);
}
}
free(line);
// input matrices to work with
Scanner matrixA = Scanner(dataA, true, dimension, dimension, dimension, dimension);
Scanner matrixB = Scanner(dataB, false, dimension, dimension, dimension, dimension);
MatrixOps matmath = MatrixOps();
Scanner matrixC = matmath.strassensWrapper(matrixA, matrixB);
std::cout << matrixC.current() << std::endl;
matrixC.nextInRow();
for (unsigned int i = 1; i < dimension; i++)
{
std::cout << matrixC.nextInColumn() << std::endl;
matrixC.nextInRow();
}
std::cout << std::endl;
free(dataA);
free(dataB);
}
infile.close();
break;
}
// used for determining crossover
case 1:
{
MatrixOps matmath = MatrixOps();
int * dataA = new int[dimension*dimension+1];
for (unsigned int i = 0; i < dimension; ++i)
{
for (unsigned int j = 0; j < dimension; ++j)
{
dataA[i * dimension + j] = rand() % 3 - 1;
}
}
int * dataB = new int[dimension*dimension+1];
for (unsigned int i = 0; i < dimension; ++i)
{
for (unsigned int j = 0; j < dimension; ++j)
{
dataB[i * dimension + j] = rand() % 3 - 1;
}
}
Scanner A = Scanner(dataA, true, dimension, dimension, dimension, dimension);
Scanner B = Scanner(dataB, false, dimension, dimension, dimension, dimension);
double prevTime = DBL_MAX;
unsigned int bestPoint = -1;
unsigned int crossPoint = 8;
while (crossPoint < dimension)
{
double runtime = 0;
clock_t t = clock();
matmath.strassensWrapper(A, B, crossPoint);
//.........这里部分代码省略.........