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Return base 0 indices

release/4.3a0
Frank Dellaert 2020-02-29 00:16:30 -08:00
parent bf153b31ae
commit d413582912
1 changed files with 3 additions and 3 deletions
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6
gtsam/base/WeightedSampler.h
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@ -45,8 +45,8 @@ class WeightedSampler {
*/
explicit WeightedSampler(Engine* engine) : engine_(engine) {}
std::vector<size_t> sampleWithoutReplacement(size_t numSamples,
std::vector<double> weights) {
std::vector<size_t> sampleWithoutReplacement(
size_t numSamples, const std::vector<double>& weights) {
// Implementation adapted from code accompanying paper at
// https://www.ethz.ch/content/dam/ethz/special-interest/baug/ivt/ivt-dam/vpl/reports/1101-1200/ab1141.pdf
const size_t n = weights.size();
@ -122,7 +122,7 @@ class WeightedSampler {
"Reservoir empty before all elements have been filled");
}
*iret = reservoir.top().second;
*iret = reservoir.top().second - 1;
reservoir.pop();
}