visad.formula

Class FormulaUtil

java.lang.Object

visad.formula.FormulaUtil

public class FormulaUtil
extends java.lang.Object

Contains a variety of useful methods related to the visad.formula package.

Constructor Summary

Constructors

Constructor and Description
FormulaUtil()

Method Summary

Modifier and Type	Method and Description
static Data	brackets(Field f, Real r) evaluate the bracket function; e.g., A1[5] or A1[A2]
static FormulaManager	createStandardManager() create a FormulaManager object with many commonly desired features
static Data	derive(Function f, VRealType rt) evaluate the derive function
static Data	dot(TupleIface t, Real r) evaluate the dot operator
static Data	extract(Field f, Real r) evaluate the extract function
static Field	factor(FieldImpl f, VRealType rt) evaluate the domainFactor function
static Data	implicit(Function f, Real r) evaluate implicit function syntax; e.g., A1(5) or A1(A2)
static java.lang.Object	invokeMethod(java.lang.reflect.Method m, java.lang.Object[] o) attempt to invoke a Method with the given Object arguments, performing static method auto-detection and automatic array compression
static Data	link(VMethod m, java.lang.Object[] o) evaluate the link function
static java.lang.String	preParse(java.lang.String f, FormulaManager fm) do some pre-computation parsing to a formula
static java.lang.reflect.Method[]	stringsToMethods(java.lang.String[] strings) convert an array of strings of the form "package.Class.method(Class, Class, ...)" to an array of Method objects

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FormulaUtil

public FormulaUtil()

Method Detail

createStandardManager

public static FormulaManager createStandardManager()

create a FormulaManager object with many commonly desired features

dot

public static Data dot(TupleIface t,
                       Real r)

evaluate the dot operator

derive

public static Data derive(Function f,
                          VRealType rt)

evaluate the derive function

factor

public static Field factor(FieldImpl f,
                           VRealType rt)

evaluate the domainFactor function

extract

public static Data extract(Field f,
                           Real r)

evaluate the extract function

link

public static Data link(VMethod m,
                        java.lang.Object[] o)
                 throws VisADException

evaluate the link function

Throws:

VisADException

implicit

public static Data implicit(Function f,
                            Real r)

evaluate implicit function syntax; e.g., A1(5) or A1(A2)

brackets

public static Data brackets(Field f,
                            Real r)

evaluate the bracket function; e.g., A1[5] or A1[A2]

preParse

public static java.lang.String preParse(java.lang.String f,
                                        FormulaManager fm)

do some pre-computation parsing to a formula

stringsToMethods

public static java.lang.reflect.Method[] stringsToMethods(java.lang.String[] strings)

convert an array of strings of the form "package.Class.method(Class, Class, ...)" to an array of Method objects

invokeMethod

public static java.lang.Object invokeMethod(java.lang.reflect.Method m,
                                            java.lang.Object[] o)
                                     throws java.lang.IllegalAccessException,
                                            java.lang.IllegalArgumentException,
                                            java.lang.reflect.InvocationTargetException

attempt to invoke a Method with the given Object arguments, performing static method auto-detection and automatic array compression

Throws:

java.lang.IllegalAccessException

java.lang.IllegalArgumentException

java.lang.reflect.InvocationTargetException