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Add the initWithValue() method

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git-svn-id: https://reactphysics3d.googlecode.com/svn/trunk@320 92aac97c-a6ce-11dd-a772-7fcde58d38e6
This commit is contained in:
chappuis.daniel 2010-05-19 21:42:52 +00:00
parent d37110fc38
commit 06f7b0552d
2 changed files with 9 additions and 1 deletions
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2
sources/reactphysics3d/mathematics/Vector.cpp
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@ -37,7 +37,7 @@ Vector::Vector(int n) throw(std::invalid_argument) {
nbComponent = n; nbComponent = n;
tab = new double[nbComponent]; tab = new double[nbComponent];
// TODO : Remove this initialization
// Fill the array with zero's value // Fill the array with zero's value
for(int i=0; i<nbComponent; ++i) { for(int i=0; i<nbComponent; ++i) {
tab[i] = 0.0; tab[i] = 0.0;

8
sources/reactphysics3d/mathematics/Vector.h
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@ -52,6 +52,7 @@ class Vector {
double getValue(int n) const throw(std::invalid_argument); // Get a component of the vector double getValue(int n) const throw(std::invalid_argument); // Get a component of the vector
void setValue(int n, double value) throw(std::invalid_argument); // Set the value of a component of the vector void setValue(int n, double value) throw(std::invalid_argument); // Set the value of a component of the vector
int getNbComponent() const; // Get the number of components in the vector int getNbComponent() const; // Get the number of components in the vector
void initWithValue(double value); // Init all the elements with a given value
double length() const; // Get the length of the vector double length() const; // Get the length of the vector
Vector getUnit() const throw(MathematicsException); // Return the corresponding unit vector Vector getUnit() const throw(MathematicsException); // Return the corresponding unit vector
double scalarProduct(const Vector& vector) const throw(MathematicsException); // Scalar product of two vectors double scalarProduct(const Vector& vector) const throw(MathematicsException); // Scalar product of two vectors
@ -115,6 +116,13 @@ inline double Vector::length() const {
return sqrt(sum); return sqrt(sum);
} }
// Init all the elements with a given value
inline void Vector::initWithValue(double value) {
for (uint i=0; i<nbComponent; i++) {
tab[i] = value;
}
}
// Replace a part of the current vector with another sub-vector. // Replace a part of the current vector with another sub-vector.
// The argument "rowIndex" is the row index where the subVector starts. // The argument "rowIndex" is the row index where the subVector starts.
inline void Vector::fillInSubVector(uint rowIndex, const Vector& subVector) { inline void Vector::fillInSubVector(uint rowIndex, const Vector& subVector) {