// Token: 0x060002F9 RID: 761 RVA: 0x00030E84 File Offset: 0x0002F084
private bool IsPositiveRank(double[,] M, ref double maxEntry, ref Vector3d maxRow)
{
maxEntry = -1.0;
int i = -1;
for (int j = 0; j < 3; j++)
{
for (int k = j; k < 3; k++)
{
double num = Math.Abs(M[j, k]);
if (num > maxEntry)
{
maxEntry = num;
i = j;
}
}
}
maxRow = MatrixMath.GetRow(M, i).ToVector3d();
return(maxEntry >= 1E-08);
}
// Token: 0x06000324 RID: 804 RVA: 0x00031F98 File Offset: 0x00030198
private static double[] ChordalNodesU(Point3d[,] intPoints)
{
int length = intPoints.GetLength(0);
int length2 = intPoints.GetLength(1);
Point3d[] intPoints2 = new Point3d[length2];
double[,] array = new double[length, length2];
for (int i = 0; i < length; i++)
{
intPoints2 = MatrixMath.GetRow(intPoints, i);
double[] array2 = SplineMath.ChordalNodes(intPoints2);
for (int j = 0; j < length2; j++)
{
array[i, j] = array2[j];
}
}
double[] array3 = new double[length2];
for (int k = 0; k < length2; k++)
{
array3[k] = MathEx.Mean(MatrixMath.GetColumn(array, k));
}
return(array3);
}
/// <summary>
/// 使用二维数组来初始化 Matrix3x3
/// </summary>
/// <param name="orientaition"></param>
public static Matrix3x3 Create(double[,] orientaition)
{
return(Create(MatrixMath.GetRow(orientaition, 0), MatrixMath.GetRow(orientaition, 1), MatrixMath.GetRow(orientaition, 2)));
}
