# QuantLib_ProbabilityBoltzmannDownhill man page

ProbabilityBoltzmannDownhill — Boltzmann Downhill Probability.

## Synopsis

`#include <ql/experimental/math/hybridsimulatedannealingfunctors.hpp>`

### Public Member Functions

ProbabilityBoltzmannDownhill(unsigned long seed=0)ProbabilityBoltzmannDownhill(constProbabilityBoltzmannDownhill&probability)

booloperator()(RealcurrentValue,RealnewValue, constArray&temp) const

## Detailed Description

Boltzmann Downhill Probability.

Similarly to the Boltzmann Probability, but if new < current, then the point is always accepted.

## Author

Generated automatically by Doxygen for QuantLib from the source code.

## Referenced By

ProbabilityBoltzmannDownhill(3) is an alias of QuantLib_ProbabilityBoltzmannDownhill(3).

Fri Sep 23 2016 Version 1.8.1 QuantLib