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add edivInPlace

release/4.3a0
Yong-Dian Jian 2010-11-28 18:12:30 +00:00
parent 0625267187
commit 7b2c62caea
1 changed files with 10 additions and 2 deletions
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12
gtsam/linear/VectorValues.h
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@ -219,9 +219,17 @@ public:
friend void scal(double alpha, VectorValues& x) { gtsam::scal(alpha, x.values_) ; }
friend void axpy(double alpha, const VectorValues& x, VectorValues& y) { gtsam::axpy(alpha, x.values_, y.values_) ; }
friend void sqrt(VectorValues &x) { Vector y = gtsam::esqrt(x.values_); x.values_ = y; }
friend void ediv(const VectorValues& numerator, const VectorValues& denominator, VectorValues &result) {
Vector v = gtsam::ediv(numerator.values_, denominator.values_);
result.values_ = v ;
assert(numerator.dim() == denominator.dim() && denominator.dim() == result.dim()) ;
const size_t sz = result.dim();
for ( size_t i = 0 ; i < sz ; ++i ) result.values_[i] = numerator.values_[i]/denominator.values_[i] ;
}
friend void edivInPlace(VectorValues& x, const VectorValues& y) {
assert(x.dim() == y.dim());
const size_t sz = x.dim();
for ( size_t i = 0 ; i < sz ; ++i ) x.values_[i] /= y.values_[i] ;
}
// check whether there's a zero in the vector