DUMACH Class

***PURPOSE Compute the unit roundoff of the machine. ***CATEGORY R1 ***TYPE DOUBLE PRECISION (RUMACH-S, DUMACH-D) ***KEYWORDS MACHINE CONSTANTS ***AUTHOR Hindmarsh, Alan C., (LLNL) ***DESCRIPTION *Usage: DOUBLE PRECISION A, DUMACH A = DUMACH() *Function Return Values: A : the unit roundoff of the machine. *Description: The unit roundoff is defined as the smallest positive machine number u such that 1.0 + u .ne. 1.0. This is computed by DUMACH in a machine-independent manner. ***REFERENCES (NONE) ***ROUTINES CALLED DUMSUM ***REVISION HISTORY (YYYYMMDD) 19930216 DATE WRITTEN 19930818 Added SLATEC-format prologue. (FNF) 20030707 Added DUMSUM to force normal storage of COMP. (ACH) ***END PROLOGUE DUMACH ***FIRST EXECUTABLE STATEMENT DUMACH

Inheritance Hierarchy

SystemObject
Altaxo.Calc.Ode.Obsolete.DVodeDUMACH

Namespace: Altaxo.Calc.Ode.Obsolete.DVode
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)

Syntax

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public class DUMACH

The DUMACH type exposes the following members.

Constructors

	Name	Description
	DUMACH	Initializes a new instance of the DUMACH class
	DUMACH(DUMSUM)	Initializes a new instance of the DUMACH class

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Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object)
	GetHashCode	Serves as the default hash function. (Inherited from Object)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object)
	Run	*PURPOSE Compute the unit roundoff of the machine. CATEGORY R1 TYPE DOUBLE PRECISION (RUMACH-S, DUMACH-D) KEYWORDS MACHINE CONSTANTS AUTHOR Hindmarsh, Alan C., (LLNL) DESCRIPTION Usage: DOUBLE PRECISION A, DUMACH A = DUMACH() Function Return Values: A : the unit roundoff of the machine. Description: The unit roundoff is defined as the smallest positive machine number u such that 1.0 + u .ne. 1.0. This is computed by DUMACH in a machine-independent manner. *REFERENCES (NONE) ROUTINES CALLED DUMSUM REVISION HISTORY (YYYYMMDD) 19930216 DATE WRITTEN 19930818 Added SLATEC-format prologue. (FNF) 20030707 Added DUMSUM to force normal storage of COMP. (ACH) END PROLOGUE DUMACH **FIRST EXECUTABLE STATEMENT DUMACH
	ToString	Returns a string that represents the current object. (Inherited from Object)

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Reference

Altaxo.Calc.Ode.Obsolete.DVode Namespace