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- Log -----------------------------------------------------------------
commit 11f0b418862fd26d07643b1eaa35ab4e1d34af48
Author: Thomas Moulard <[email protected]>
Date: Mon Mar 1 16:28:08 2010 +0100
Use shared pointers in caching proxy.
* include/roboptim/core/cached-function.hh,
* include/roboptim/core/cached-function.hxx: Use shared pointers.
* tests/cached-function.cc: Update.
Signed-off-by: Thomas Moulard <[email protected]>
diff --git a/ChangeLog b/ChangeLog
index b57ca11..f9b9ded 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2010-03-01 Thomas Moulard <[email protected]>
+ Use shared pointers in caching proxy.
+ * include/roboptim/core/cached-function.hh,
+ * include/roboptim/core/cached-function.hxx: Use shared pointers.
+ * tests/cached-function.cc: Update.
+
+2010-03-01 Thomas Moulard <[email protected]>
+
Implement function caching.
* include/Makefile.am: Distribute new header and source.
* include/roboptim/core/cached-function.hh: New.
diff --git a/include/roboptim/core/cached-function.hh
b/include/roboptim/core/cached-function.hh
index e37f17c..5c032e4 100644
--- a/include/roboptim/core/cached-function.hh
+++ b/include/roboptim/core/cached-function.hh
@@ -22,10 +22,9 @@
# include <map>
-# include <roboptim/core/n-times-derivable-function.hh>
-
+# include <boost/shared_ptr.hpp>
-#include <roboptim/core/io.hh>
+# include <roboptim/core/n-times-derivable-function.hh>
namespace roboptim
{
@@ -77,7 +76,7 @@ namespace roboptim
typedef std::map<Function::vector_t, Function::vector_t, ltvector>
functionCache_t;
- explicit CachedFunction (const T& fct) throw ();
+ explicit CachedFunction (boost::shared_ptr<const T> fct) throw ();
~CachedFunction () throw ();
void reset () throw ();
@@ -101,7 +100,7 @@ namespace roboptim
size_type order = 1) const throw ();
private:
- const T& function_;
+ boost::shared_ptr<const T> function_;
mutable std::vector<functionCache_t> cache_;
mutable std::vector<functionCache_t> gradientCache_;
mutable std::vector<functionCache_t> hessianCache_;
diff --git a/include/roboptim/core/cached-function.hxx
b/include/roboptim/core/cached-function.hxx
index c5f8c0c..80d117e 100644
--- a/include/roboptim/core/cached-function.hxx
+++ b/include/roboptim/core/cached-function.hxx
@@ -64,12 +64,12 @@ namespace roboptim
} // end of anonymous namespace.
template <typename T>
- CachedFunction<T>::CachedFunction (const T& fct) throw ()
- : T (fct.inputSize (), fct.outputSize (), cachedFunctionName (fct)),
+ CachedFunction<T>::CachedFunction (boost::shared_ptr<const T> fct) throw ()
+ : T (fct->inputSize (), fct->outputSize (), cachedFunctionName (*fct)),
function_ (fct),
cache_ (derivativeSize<T>::value),
- gradientCache_ (fct.outputSize ()),
- hessianCache_ (fct.outputSize ())
+ gradientCache_ (fct->outputSize ()),
+ hessianCache_ (fct->outputSize ())
{
}
@@ -102,7 +102,7 @@ namespace roboptim
return;
}
std::cout << "not cached" << std::endl;
- function_ (result, argument);
+ (*function_) (result, argument);
cache_[0][argument] = result;
}
@@ -129,7 +129,7 @@ namespace roboptim
gradient = it->second;
return;
}
- function_.gradient (gradient, argument, functionId);
+ function_->gradient (gradient, argument, functionId);
gradientCache_[functionId][argument] = gradient;
}
@@ -168,7 +168,7 @@ namespace roboptim
hessian = it->second;
return;
}
- function_.hessian (hessian, argument, functionId);
+ function_->hessian (hessian, argument, functionId);
hessianCache_[functionId][argument] = hessian;
}
@@ -212,7 +212,7 @@ namespace roboptim
derivative = it->second;
return;
}
- function_.derivative (derivative, x, order);
+ function_->derivative (derivative, x, order);
cache_[order][x] = derivative;
}
diff --git a/tests/cached-function.cc b/tests/cached-function.cc
index c984487..5c5efcc 100644
--- a/tests/cached-function.cc
+++ b/tests/cached-function.cc
@@ -47,7 +47,7 @@ struct F : public DerivableFunction
int run_test ()
{
- F f;
+ boost::shared_ptr<F> f (new F ());
CachedFunction<DerivableFunction> cachedF (f);
@@ -60,7 +60,7 @@ int run_test ()
x[0] = i;
std::cout << cachedF (x) << std::endl;
std::cout << cachedF (x) << std::endl;
- assert (f (x)[0] == cachedF (x)[0]);
+ assert ((*f) (x)[0] == cachedF (x)[0]);
std::cout << cachedF.gradient (x) << std::endl;
std::cout << cachedF.gradient (x) << std::endl;
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 7 +++++++
include/roboptim/core/cached-function.hh | 9 ++++-----
include/roboptim/core/cached-function.hxx | 16 ++++++++--------
tests/cached-function.cc | 4 ++--
4 files changed, 21 insertions(+), 15 deletions(-)
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