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use default RNG object for mt19937_64 everywhere

release/4.3a0
Varun Agrawal 2025-05-16 23:59:27 -04:00
parent bc7646f82f
commit 995bedb4ca
3 changed files with 9 additions and 25 deletions
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12
gtsam/linear/GaussianBayesNet.cpp
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@ -26,9 +26,6 @@
using namespace std;
using namespace gtsam;
// In Wrappers we have no access to this so have a default ready
static std::mt19937_64 kRandomNumberGenerator(42);
namespace gtsam {
// Instantiate base class
@ -76,15 +73,6 @@ namespace gtsam {
return result;
}
/* ************************************************************************ */
VectorValues GaussianBayesNet::sample() const {
return sample(&kRandomNumberGenerator);
}
VectorValues GaussianBayesNet::sample(const VectorValues& given) const {
return sample(given, &kRandomNumberGenerator);
}
/* ************************************************************************ */
VectorValues GaussianBayesNet::optimizeGradientSearch() const
{

10
gtsam/linear/GaussianBayesNet.h
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@ -131,7 +131,7 @@ namespace gtsam {
* std::mt19937_64 rng(42);
* auto sample = gbn.sample(&rng);
*/
VectorValues sample(std::mt19937_64* rng) const;
VectorValues sample(std::mt19937_64* rng = nullptr) const;
/**
* Sample from an incomplete BayesNet, given missing variables
@ -140,13 +140,7 @@ namespace gtsam {
* VectorValues given = ...;
* auto sample = gbn.sample(given, &rng);
*/
VectorValues sample(const VectorValues& given, std::mt19937_64* rng) const;
/// Sample using ancestral sampling, use default rng
VectorValues sample() const;
/// Sample from an incomplete BayesNet, use default rng
VectorValues sample(const VectorValues& given) const;
VectorValues sample(const VectorValues& given, std::mt19937_64* rng = nullptr) const;
/**
* Return ordering corresponding to a topological sort.

8
gtsam/linear/linear.i
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@ -561,7 +561,8 @@ virtual class GaussianConditional : gtsam::JacobianFactor {
gtsam::JacobianFactor* likelihood(gtsam::Vector frontal) const;
gtsam::VectorValues sample(std::mt19937_64 @rng = nullptr) const;
gtsam::VectorValues sample(const gtsam::VectorValues& parents, std::mt19937_64@ rng = nullptr) const;
gtsam::VectorValues sample(const gtsam::VectorValues& parents,
std::mt19937_64 @rng = nullptr) const;
// Advanced Interface
gtsam::VectorValues solveOtherRHS(const gtsam::VectorValues& parents,
@ -628,8 +629,9 @@ virtual class GaussianBayesNet {
gtsam::VectorValues optimize(const gtsam::VectorValues& given) const;
gtsam::VectorValues optimizeGradientSearch() const;
gtsam::VectorValues sample(const gtsam::VectorValues& given) const;
gtsam::VectorValues sample() const;
gtsam::VectorValues sample(const gtsam::VectorValues& given,
std::mt19937_64 @rng = nullptr) const;
gtsam::VectorValues sample(std::mt19937_64 @rng = nullptr) const;
gtsam::VectorValues backSubstitute(const gtsam::VectorValues& gx) const;
gtsam::VectorValues backSubstituteTranspose(const gtsam::VectorValues& gx) const;