Alexander Ziegler / gammalib

Commit b3bbe2912b3e7171174a79eb7f679d22c027bbd5

Authored by knodlseder
1 parent 5f825e13

add clear() method

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Showing 2 changed files with 20 additions and 5 deletions
include/GVector.hpp
  View file @b3bbe29
... ... @@ -104,8 +104,9 @@ public:
104 104 GVector operator- () const;
105 105  
106 106 // Vector methods
107   - int size() const; // Return dimension of vector
108   - int non_zeros() const; // Returns # of non zeros in vector
  107 + void clear(void);
  108 + int size(void) const;
  109 + int non_zeros(void) const;
109 110  
110 111 private:
111 112 // Private methods
... ... @@ -115,8 +116,8 @@ private:
115 116 void free_members(void);
116 117  
117 118 // Private data area
118   - int m_num; //!< Number of elements in vector
119   - double* m_data; //!< Vector array
  119 + int m_num; //!< Number of elements in vector
  120 + double* m_data; //!< Vector array
120 121 };
121 122  
122 123  
... ...
src/linalg/GVector.cpp
  View file @b3bbe29
... ... @@ -136,9 +136,23 @@ GVector&amp; GVector::operator= (const GVector&amp; v)
136 136 ==========================================================================*/
137 137  
138 138 /***********************************************************************//**
  139 + * @brief Set vector elements to 0
  140 + ***************************************************************************/
  141 +void GVector::clear(void)
  142 +{
  143 + // Set all elements to 0
  144 + for (int i = 0; i < m_num; ++i)
  145 + m_data[i] = 0.0;
  146 +
  147 + // Return
  148 + return;
  149 +}
  150 +
  151 +
  152 +/***********************************************************************//**
139 153 * @brief Returns number of non-zero elements in vector
140 154 ***************************************************************************/
141   -int GVector::non_zeros() const
  155 +int GVector::non_zeros(void) const
142 156 {
143 157 // Initialise number of non-zeros
144 158 int non_zeros = 0;
... ...