Make BarzilaiBorwein only return positive stepsizes (8a2e5244) · Commits · Jakub Klinkovský / TNL gradient descent

include/gdcpp.h

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -308,7 +308,7 @@ namespace gdc
	if(denom == 0)		if(denom == 0)
	return 1;		return 1;
	else		else
	return num / denom;		return std::abs(num / denom);
	}		}

	Scalar inverseStep(const Vector &xval,		Scalar inverseStep(const Vector &xval,
	@@ -322,7 +322,7 @@ namespace gdc
	if(denom == 0)		if(denom == 0)
	return 1;		return 1;
	else		else
	return num / denom;		return std::abs(num / denom);
	}		}
	public:		public:
	BarzilaiBorwein()		BarzilaiBorwein()