Changeset 2751 for GTP/trunk/App/Demos/Vis/CHC_revisited/Matrix4x4.cpp

Timestamp:

06/10/08 13:15:59 (16 years ago)

Author:

mattausch

Message:

 

File:

• GTP/trunk/App/Demos/Vis/CHC_revisited/Matrix4x4.cpp (modified) (8 diffs)

GTP/trunk/App/Demos/Vis/CHC_revisited/Matrix4x4.cpp

@@ -6 +6 @@
 using namespace std;
 
-//namespace GtpVisibilityPreprocessor {
+namespace CHCDemo 
+{
+
+Matrix4x4::Matrix4x4()
+{}
 
 
@@ -85 +89 @@
         x[3][3] = x44;
 }
+
+
+float Matrix4x4::Det3x3() const 
+{
+        return (x[0][0]*x[1][1]*x[2][2] + \
+                x[1][0]*x[2][1]*x[0][2] + \
+                x[2][0]*x[0][1]*x[1][2] - \
+                x[2][0]*x[1][1]*x[0][2] - \
+                x[0][0]*x[2][1]*x[1][2] - \
+                x[1][0]*x[0][1]*x[2][2]);
+}
+
 
 
@@ -167 +183 @@
 }
 
+
 // Invert the given matrix using the above inversion routine.
-Matrix4x4
-Invert(const Matrix4x4& M)
+Matrix4x4 Invert(const Matrix4x4& M)
 {
         Matrix4x4 InvertMe = M;
@@ -178 +194 @@
 
 // Transpose the matrix.
-void
-Matrix4x4::Transpose()
+void Matrix4x4::Transpose()
 {
         for (int i = 0; i < 4; i++)
@@ -190 +205 @@
 }
 
+
 // Transpose the given matrix using the transpose routine above.
-Matrix4x4
-Transpose(const Matrix4x4& M)
+Matrix4x4 Transpose(const Matrix4x4& M)
 {
         Matrix4x4 TransposeMe = M;
@@ -199 +214 @@
 }
 
+
 // Construct an identity matrix.
-Matrix4x4
-IdentityMatrix()
+Matrix4x4 IdentityMatrix()
 {
         Matrix4x4 M;
@@ -211 +226 @@
 }
 
+
 // Construct a zero matrix.
-Matrix4x4
-ZeroMatrix()
+Matrix4x4 ZeroMatrix()
 {
         Matrix4x4 M;
@@ -635 +650 @@
 }
 
-//}
+}