vector class

diff --git a/.cproject b/.cproject
new file mode 100644 (file)
index 0000000..571a5eb
--- /dev/null
+++ b/.cproject
@@ -0,0 +1,209 @@
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+<?fileVersion 4.0.0?>
+
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+<project id="MicroTrace01.null.759633973" name="MicroTrace01"/>
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+</cproject>

diff --git a/.gitignore b/.gitignore
new file mode 100644 (file)
index 0000000..3c86eb8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.o
+MicroTrace

diff --git a/.project b/.project
new file mode 100644 (file)
index 0000000..6a4bde3
--- /dev/null
+++ b/.project
@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+       <name>MicroTrace01</name>
+       <comment></comment>
+       <projects>
+       </projects>
+       <buildSpec>
+               <buildCommand>
+                       <name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+                       <triggers>clean,full,incremental,</triggers>
+                       <arguments>
+                               <dictionary>
+                                       <key>?name?</key>
+                                       <value></value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.append_environment</key>
+                                       <value>true</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.autoBuildTarget</key>
+                                       <value>all</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.buildArguments</key>
+                                       <value></value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.buildCommand</key>
+                                       <value>make</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.cleanBuildTarget</key>
+                                       <value>clean</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.contents</key>
+                                       <value>org.eclipse.cdt.make.core.activeConfigSettings</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.enableAutoBuild</key>
+                                       <value>false</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.enableCleanBuild</key>
+                                       <value>true</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.enableFullBuild</key>
+                                       <value>true</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.fullBuildTarget</key>
+                                       <value>all</value>
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+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.stopOnError</key>
+                                       <value>true</value>
+                               </dictionary>
+                               <dictionary>
+                                       <key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>
+                                       <value>true</value>
+                               </dictionary>
+                       </arguments>
+               </buildCommand>
+               <buildCommand>
+                       <name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+                       <arguments>
+                       </arguments>
+               </buildCommand>
+       </buildSpec>
+       <natures>
+               <nature>org.eclipse.cdt.core.ccnature</nature>
+               <nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+               <nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+               <nature>org.eclipse.cdt.core.cnature</nature>
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+</projectDescription>

diff --git a/Vec3f.cxx b/Vec3f.cxx
index c063913..8dfa3d7 100644 (file)
--- a/Vec3f.cxx
+++ b/Vec3f.cxx
@@ -2,162 +2,143 @@
 
 #include "Vec3f.hxx"
 
-Vec3f::Vec3f()
-{
+Vec3f::Vec3f() {
+}
 
+Vec3f::Vec3f(float x, float y, float z) {
+       m_values[0] = x;
+       m_values[0] = y;
+       m_values[0] = z;
 }
 
-Vec3f::Vec3f(float x, float y, float z)
-{
+Vec3f::~Vec3f() {
+}
 
+Vec3f::Vec3f(const Vec3f& o) {
+       for (size_t i = 0; i < DIM; i++) {
+               m_values[i] = o.m_values[i];
+       }
 }
 
-Vec3f::~Vec3f()
-{
+Vec3f& Vec3f::operator=(const Vec3f& o) {
+       for (size_t i = 0; i < DIM; i++) {
+               m_values[i] = o.m_values[i];
+       }
+       return *this;
 }
 
-Vec3f::Vec3f(const Vec3f& o)
-{
+float Vec3f::operator|(const Vec3f& o) {
 
+       return dot(o);
 }
 
-Vec3f& 
-Vec3f::operator=(const Vec3f& o)
-{
-  
-  return *this;
+float Vec3f::dot(const Vec3f& o) {
+       float prod = 0;
+       for (size_t i = 0; i < DIM; i++) {
+               prod += m_values[i] * o.m_values[i];
+       }
+       return prod;
 }
 
-float 
-Vec3f::operator|(const Vec3f& o)
-{
-  
-  return 0.0f;
+Vec3f Vec3f::operator%(const Vec3f& o) {
+       return cross(o);
 }
 
-float 
-Vec3f::dot(const Vec3f& o)
-{
-  
-  return 0.0f;
+Vec3f Vec3f::cross(const Vec3f& o) {
+       return Vec3f(m_values[1] * o.m_values[2] - m_values[2] * o.m_values[1],
+               m_values[2] * o.m_values[0] - m_values[0] * o.m_values[2], m_values[0]
+                       * o.m_values[1] - m_values[1] * o.m_values[0]);
 }
-  
-Vec3f 
-Vec3f::operator%(const Vec3f& o)
-{
 
-  return Vec3f();
-}
+void Vec3f::normalize() {
 
-Vec3f 
-Vec3f::cross(const Vec3f& o)
-{
-  
-  return Vec3f();
-}
-  
-void 
-Vec3f::normalize()
-{
-  
 }
 
-float 
-Vec3f::norm() const
-{
-  return 0.0f;
+float Vec3f::norm() const {
+       return sqrt(m_values[0] * m_values[0] + m_values[1] * m_values[1]
+               + m_values[2] * m_values[2]);
 }
 
-Vec3f 
-Vec3f::operator*(const float t) const
-{
-  return Vec3f();
+Vec3f Vec3f::operator*(const float t) const {
+       Vec3f v(*this);
+       return v *= t;
 }
 
-Vec3f& 
-Vec3f::operator*=(const float t)
-{
-  return *this;
+Vec3f& Vec3f::operator*=(const float t) {
+    for (unsigned int i = 0; i < 3; ++i) {
+        m_values[i] *= f;
+    }
+       return *this;
 }
 
-Vec3f 
-Vec3f::operator/(const float t) const
-{
-  return Vec3f();
+Vec3f Vec3f::operator/(const float t) const {
+       Vec3f v(*this);
+    return v /= f;
 }
 
-Vec3f& 
-Vec3f::operator/=(const float t)
-{
-  return *this;
+Vec3f& Vec3f::operator/=(const float t) {
+    for (unsigned int i = 0; i < 3; ++i) {
+        m_values[i] /= f;
+    }
+       return *this;
 }
 
 // example implementation of a standard operator
-Vec3f 
-Vec3f::operator+(const Vec3f& o) const
-{
-  Vec3f v(*this);
-  
-  return v += o;
+Vec3f Vec3f::operator+(const Vec3f& o) const {
+       Vec3f v(*this);
+       return v += o;
 }
 
 // example implementation of an in-place operator
-Vec3f& 
-Vec3f::operator+=(const Vec3f& o)
-{
-  for(unsigned int i = 0; i < 3; ++i)
-    {
-      m_values[i] += o.m_values[i];
-    }
-  
-  return *this;
+Vec3f& Vec3f::operator+=(const Vec3f& o) {
+       for (unsigned int i = 0; i < 3; ++i) {
+               m_values[i] += o.m_values[i];
+       }
+       return *this;
 }
-  
-Vec3f 
-Vec3f::operator-(const Vec3f& o) const
-{
-  return Vec3f();
+
+Vec3f Vec3f::operator-(const Vec3f& o) const {
+    Vec3f v(*this);
+    return v -= o;
 }
 
-Vec3f& 
-Vec3f::operator-=(const Vec3f& o)
-{
-  return *this;
+Vec3f& Vec3f::operator-=(const Vec3f& o) {
+    for (unsigned int i = 0; i < 3; ++i) {
+        m_values[i] -= o.m_values[i];
+    }
+       return *this;
 }
-  
-Vec3f 
-Vec3f::operator*(const Vec3f& o) const
-{
-  return Vec3f();
+
+Vec3f Vec3f::operator*(const Vec3f& o) const {
+    Vec3f v(*this);
+    return v *= o;
 }
 
-Vec3f& 
-Vec3f::operator*=(const Vec3f& o)
-{
-  return *this;
+Vec3f& Vec3f::operator*=(const Vec3f& o) {
+    for (unsigned int i = 0; i < 3; ++i) {
+        m_values[i] *= o.m_values[i];
+    }
+       return *this;
 }
 
-Vec3f 
-Vec3f::operator/(const Vec3f& o) const
-{
-  return Vec3f();
+Vec3f Vec3f::operator/(const Vec3f& o) const {
+    Vec3f v(*this);
+    return v /= o;
 }
 
-Vec3f& 
-Vec3f::operator/=(const Vec3f& o)
-{
-  return *this;
+Vec3f& Vec3f::operator/=(const Vec3f& o) {
+    for (unsigned int i = 0; i < 3; ++i) {
+        m_values[i] /= o.m_values[i];
+    }
+       return *this;
 }
 
-float 
-Vec3f::operator[](unsigned int i) const
-{
-  return 0.0f;
+float Vec3f::operator[](unsigned int i) const {
+       assert(i < DIM);
+       return m_values[i];
 }
 
-float& 
-Vec3f::operator[](unsigned int i)
-{
-  assert(i < 3);
-  return m_values[i];
+float& Vec3f::operator[](unsigned int i) {
+       assert(i < DIM);
+       return m_values[i];
 }

diff --git a/Vec3f.hxx b/Vec3f.hxx
index 74f304b..7f0c77d 100644 (file)
--- a/Vec3f.hxx
+++ b/Vec3f.hxx
@@ -4,7 +4,6 @@
 #include <cmath>
 #include <iostream>
 
-
 #ifndef MIN
 #define MIN(a,b) ((a)<(b)?(a):(b))
 #define MAX(a,b) ((a)>(b)?(a):(b))
@@ -16,70 +15,70 @@
 #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);
+       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);
+
 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
 
-