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127 lines
4.0 KiB
Plaintext
Executable File
127 lines
4.0 KiB
Plaintext
Executable File
-- Created on: 1991-01-14
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-- Created by: Arnaud BOUZY
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-- Copyright (c) 1991-1999 Matra Datavision
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-- Copyright (c) 1999-2012 OPEN CASCADE SAS
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--
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-- The content of this file is subject to the Open CASCADE Technology Public
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-- License Version 6.5 (the "License"). You may not use the content of this file
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-- except in compliance with the License. Please obtain a copy of the License
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-- at http://www.opencascade.org and read it completely before using this file.
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--
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-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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--
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-- The Original Code and all software distributed under the License is
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-- distributed on an "AS IS" basis, without warranty of any kind, and the
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-- Initial Developer hereby disclaims all such warranties, including without
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-- limitation, any warranties of merchantability, fitness for a particular
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-- purpose or non-infringement. Please see the License for the specific terms
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-- and conditions governing the rights and limitations under the License.
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class NamedFunction from Expr
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inherits GeneralFunction from Expr
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uses GeneralExpression from Expr,
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NamedUnknown from Expr,
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Array1OfReal from TColStd,
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Array1OfNamedUnknown from Expr,
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AsciiString from TCollection
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raises OutOfRange from Standard,
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DimensionMismatch from Standard,
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NumericError from Standard,
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NotEvaluable from Expr
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is
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Create( name : AsciiString;
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exp : GeneralExpression;
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vars : Array1OfNamedUnknown)
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---Purpose: Creates a function of given variables <vars> with name
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-- <name> defined by the expression <exp>.
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---Level : Advanced
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returns mutable NamedFunction;
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SetName(me : mutable; newname : AsciiString)
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---Purpose: Sets the name <newname> to <me>.
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---Level : Internal
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is static;
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GetName(me)
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---Purpose: Returns the name assigned to <me>
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---Level : Internal
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returns AsciiString
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is static;
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NbOfVariables(me)
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---Purpose: Returns the number of variables of <me>.
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returns Integer
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is static;
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Variable(me ; index : Integer)
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---Purpose: Returns the variable denoted by <index> in <me>.
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-- Raises OutOfRange if <index> is greater than
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-- NbOfVariables of <me>, or less than or equal to zero.
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returns NamedUnknown
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raises OutOfRange
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is static;
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Evaluate(me; vars : Array1OfNamedUnknown;
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values : Array1OfReal)
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---Purpose: Computes the value of <me> with the given variables.
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-- Raises DimensionMismatch if Length(vars) is different from
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-- Length(values).
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returns Real
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raises DimensionMismatch,NumericError,NotEvaluable;
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Copy(me)
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---Purpose: Returns a copy of <me> with the same form.
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returns mutable like me;
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Derivative(me; var : NamedUnknown)
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---Purpose: Returns Derivative of <me> for variable <var>.
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returns GeneralFunction;
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Derivative(me; var : NamedUnknown; deg : Integer)
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---Purpose: Returns Derivative of <me> for variable <var> with
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-- degree <deg>.
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returns GeneralFunction;
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IsIdentical(me; func : GeneralFunction)
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---Purpose: Tests if <me> and <func> are similar functions (same
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-- name and same used expression).
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returns Boolean;
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IsLinearOnVariable(me; index : Integer)
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---Purpose: Tests if <me> is linear on variable on range <index>
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returns Boolean;
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GetStringName(me)
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returns AsciiString from TCollection;
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Expression(me)
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---Purpose: Returns equivalent expression of <me>.
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---Level : Internal
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returns GeneralExpression
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is static;
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SetExpression(me : mutable; exp : GeneralExpression);
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---Purpose: Modifies expression of <me>.
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-- Warning: Beware of derivatives. See FunctionDerivative
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---Level : Internal
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fields
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myName : AsciiString;
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myExp : GeneralExpression;
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myVariables : Array1OfNamedUnknown;
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end NamedFunction;
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