drand() needs <cstdlib>

[MicroTrace.git] / Vec3f.hxx

diff --git a/Vec3f.hxx b/Vec3f.hxx
index 7f0c77d..eef3409 100644 (file)
--- a/Vec3f.hxx
+++ b/Vec3f.hxx
@@ -4,81 +4,82 @@
 #include <cmath>
 #include <iostream>
 
+
 #ifndef MIN
 #define MIN(a,b) ((a)<(b)?(a):(b))
 #define MAX(a,b) ((a)>(b)?(a):(b))
 #endif
 
-#define max(a,b) MAX(a,b)
-#define min(a,b) MIN(a,b)
 
 #define Epsilon 1E-4
 #define Infinity HUGE_VAL
 
-// dimension
-#define DIM 3
-
 //! Standard operators and useful methods for 3d vectors
 //! Fill in the missing parts in Vec3f.cxx
-class Vec3f {
+class Vec3f 
+{
 public:
-       Vec3f();
-       Vec3f(float x, float y, float z);
-
-       ~Vec3f();
-
-       Vec3f(const Vec3f& o);
-       Vec3f& operator=(const Vec3f& o);
-
-       //! dot product
-       float operator|(const Vec3f& o);
-       float dot(const Vec3f& o);
-
-       //! cross product
-       Vec3f operator%(const Vec3f& o);
-       Vec3f cross(const Vec3f& o);
-
-       //! normalize vector
-       void normalize();
-       //! length of a vector
-       float norm() const;
-
-       //! (self-)multiply with scalar
-       Vec3f operator*(const float t) const;
-       Vec3f& operator*=(const float t);
-
-       //! (self-)division by scalar
-       Vec3f operator/(const float t) const;
-       Vec3f& operator/=(const float t);
-
-       //! vector (self-)addition
-       Vec3f operator+(const Vec3f& o) const;
-       Vec3f& operator+=(const Vec3f& o);
-
-       //! vector (self-)subtraction
-       Vec3f operator-(const Vec3f& o) const;
-       Vec3f& operator-=(const Vec3f& o);
-
-       //! component-wise multiplication of two vectors
-       Vec3f operator*(const Vec3f& o) const;
-       Vec3f& operator*=(const Vec3f& o);
-
-       //! component-wise division of two vectors
-       Vec3f operator/(const Vec3f& o) const;
-       Vec3f& operator/=(const Vec3f& o);
-
-       //! element access functions ( read-only and read-write )
-       float operator[](unsigned int i) const;
-       float& operator[](unsigned int i);
-
+  Vec3f();
+  Vec3f(float x, float y, float z);
+  
+  ~Vec3f();
+
+  Vec3f(const Vec3f& o);
+  Vec3f& operator=(const Vec3f& o);
+
+  //! dot product
+  float operator|(const Vec3f& o) const;
+  float dot(const Vec3f& o) const;
+  
+  //! cross product
+  Vec3f operator%(const Vec3f& o) const;
+  Vec3f cross(const Vec3f& o) const;
+  
+  //! normalize vector
+  void normalize();
+  //! length of a vector
+  float norm() const;
+
+  //! (self-)multiply with scalar
+  Vec3f operator*(const float t) const;
+  Vec3f& operator*=(const float t);
+
+  //! (self-)division by scalar
+  Vec3f operator/(const float t) const;
+  Vec3f& operator/=(const float t);
+
+  //! vector (self-)addition
+  Vec3f operator+(const Vec3f& o) const;
+  Vec3f& operator+=(const Vec3f& o);
+  
+  //! vector (self-)subtraction
+  Vec3f operator-(const Vec3f& o) const;
+  Vec3f& operator-=(const Vec3f& o);
+  
+  //! component-wise multiplication of two vectors
+  Vec3f operator*(const Vec3f& o) const;
+  Vec3f& operator*=(const Vec3f& o);
+
+  //! component-wise division of two vectors
+  Vec3f operator/(const Vec3f& o) const;
+  Vec3f& operator/=(const Vec3f& o);
+
+  //! element access functions ( read-only and read-write )
+  float operator[](unsigned int i) const;
+  float& operator[](unsigned int i);
+ 
+  //! clamp each element to [0,1]
+  void clamp();
 private:
-       float m_values[3];
+  float m_values[3];
 };
 
-inline std::ostream& operator<<(std::ostream& o, const Vec3f& v) {
-       o << "(" << v[0] << "," << v[1] << "," << v[2] << ")";
-       return o;
+inline std::ostream& operator<<(std::ostream& o, const Vec3f& v)
+{
+  o << "(" << v[0] << "," << v[1] << "," << v[2] << ")";
+  return o;
 }
 
 #endif
 
+