/**
* Returns new bool matrix with true or false values selected with equal probability.
*
* @param numRow Number of rows in the new matrix.
* @param numCol Number of columns in the new matrix.
* @param randJava.Util.Random number generator used to fill the matrix.
* @return The randomly generated matrix.
*/
public static BMatrixRMaj randomBinary(int numRow, int numCol, Java.Util.Random rand)
{
BMatrixRMaj mat = new BMatrixRMaj(numRow, numCol);
setRandomB(mat, rand);
return(mat);
}
/**
* Returns new bool matrix with true or false values selected with equal probability.
*
* @param numRow Number of rows in the new matrix.
* @param numCol Number of columns in the new matrix.
* @param rand Random number generator used to fill the matrix.
* @return The randomly generated matrix.
*/
public static BMatrixRMaj randomBinary(int numRow, int numCol, IMersenneTwister rand)
{
BMatrixRMaj mat = new BMatrixRMaj(numRow, numCol);
setRandomB(mat, rand);
return(mat);
}
/**
* <p>
* Sets each element in the bool matrix to true or false with equal probability
* </p>
*
* @param mat The matrix who is to be randomized. Modified.
* @param randJava.Util.Random number generator used to fill the matrix.
*/
public static void setRandomB(BMatrixRMaj mat, Java.Util.Random rand)
{
bool[] d = mat.data;
int size = mat.NumElements;
for (int i = 0; i < size; i++)
{
d[i] = rand.NextBoolean();
}
}
/**
* <p>
* Sets each element in the bool matrix to true or false with equal probability
* </p>
*
* @param mat The matrix who is to be randomized. Modified.
* @param rand Random number generator used to fill the matrix.
*/
public static void setRandomB(BMatrixRMaj mat, IMersenneTwister rand)
{
bool[] d = mat.data;
int size = mat.getNumElements();
for (int i = 0; i < size; i++)
{
d[i] = rand.NextBoolean();
}
}
/**
* <p>
* Checks to see if each element in the two matrices are equal:
* a<sub>ij</sub> == b<sub>ij</sub>
* <p>
*
* <p>
* NOTE: If any of the elements are NaN then false is returned. If two corresponding
* elements are both positive or negative infinity then they are equal.
* </p>
*
* @param a A matrix. Not modified.
* @param b A matrix. Not modified.
* @return true if identical and false otherwise.
*/
public static bool isEquals(BMatrixRMaj a, BMatrixRMaj b)
{
if (a.numRows != b.numRows || a.numCols != b.numCols)
{
return(false);
}
int length = a.NumElements;
for (int i = 0; i < length; i++)
{
if (!(a.get(i) == b.get(i)))
{
return(false);
}
}
return(true);
}
