KrylovUtils.hpp File Reference

#include "codingUtilities/Utilities.hpp"

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Macros
#define	GEOSX_KRYLOV_MIN_DIV   ::LvArray::NumericLimits< real64 >::epsilon
	Tolerance for division by zero in Krylov solvers.
#define	GEOSX_KRYLOV_BREAKDOWN_IF_ZERO(VAR)
	Exit solver iteration and report a breakdown if value too close to zero. More...

Macro Definition Documentation

GEOSX_KRYLOV_BREAKDOWN_IF_ZERO

#define GEOSX_KRYLOV_BREAKDOWN_IF_ZERO

(

VAR

)

Value:

do { \
    if( isZero( VAR, GEOSX_KRYLOV_MIN_DIV ) ) \
    { \
      GEOSX_LOG_LEVEL_RANK_0( 1, "Breakdown in " << methodName() << ": " << #VAR << " = " << VAR ); \
      m_result.status = LinearSolverResult::Status::Breakdown; \
      break; \
    } \
  } while( false )

Exit solver iteration and report a breakdown if value too close to zero.

Parameters

VAR	the variable or expression

Definition at line 31 of file KrylovUtils.hpp.