Exception thrown when a gradient check fail. More...
#include <roboptim/core/finite-difference-gradient.hh>
Inherits std::runtime_error.
Public Types | |
typedef DerivableFunction::vector_t | vector_t |
Import vector. | |
typedef DerivableFunction::gradient_t | gradient_t |
Import gradient. | |
typedef DerivableFunction::value_type | value_type |
Import value_type. | |
typedef DerivableFunction::size_type | size_type |
Import size_type. |
Public Member Functions | |
BadGradient (const vector_t &x, const gradient_t &analyticalGradient, const gradient_t &finiteDifferenceGradient, const value_type &threshold) | |
Default constructor. | |
virtual | ~BadGradient () throw () |
virtual std::ostream & | print (std::ostream &o) const throw () |
Display the exception on the specified output stream. |
Public Attributes | |
vector_t | x_ |
Gradient has been computed for this point. | |
gradient_t | analyticalGradient_ |
Analytical gradient. | |
gradient_t | finiteDifferenceGradient_ |
Gradient computed through finite differences. | |
value_type | maxDelta_ |
Maximum error. | |
value_type | maxDeltaComponent_ |
Component containing the maximum error. | |
value_type | threshold_ |
Allowed threshold. |
Exception thrown when a gradient check fail.
Import gradient.
Import size_type.
typedef DerivableFunction::value_type roboptim::BadGradient::value_type |
Import value_type.
typedef DerivableFunction::vector_t roboptim::BadGradient::vector_t |
Import vector.
roboptim::BadGradient::BadGradient | ( | const vector_t & | x, |
const gradient_t & | analyticalGradient, | ||
const gradient_t & | finiteDifferenceGradient, | ||
const value_type & | threshold | ||
) |
Default constructor.
References maxDelta_, and maxDeltaComponent_.
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virtual |
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virtual |
Display the exception on the specified output stream.
o | output stream used for display |
References roboptim::decindent(), roboptim::iendl(), and roboptim::incindent().
Referenced by roboptim::operator<<().
gradient_t roboptim::BadGradient::analyticalGradient_ |
Analytical gradient.
gradient_t roboptim::BadGradient::finiteDifferenceGradient_ |
Gradient computed through finite differences.
value_type roboptim::BadGradient::maxDelta_ |
Maximum error.
Referenced by BadGradient().
value_type roboptim::BadGradient::maxDeltaComponent_ |
Component containing the maximum error.
Referenced by BadGradient().
value_type roboptim::BadGradient::threshold_ |
Allowed threshold.
vector_t roboptim::BadGradient::x_ |
Gradient has been computed for this point.