Integration of OCCT 6.5.0 from SVN

src/Expr/Expr_Sinh.cxx

@@ -0,0 +1,78 @@
+//static const char* sccsid = "@(#)Expr_Sinh.cxx	3.2 95/01/10"; // Do not delete this line. Used by sccs.
+// Copyright: 	Matra-Datavision 1991
+// File:	Expr_Sinh.cxx
+// Created:	Tue May 28 13:05:53 1991
+// Author:	Arnaud BOUZY
+//		<adn>
+
+#include <Expr_Sinh.ixx>
+#include <Expr_NumericValue.hxx>
+#include <Expr_ArgSinh.hxx>
+#include <Expr_Cosh.hxx>
+#include <Expr_Product.hxx>
+#include <Expr_Operators.hxx>
+#include <Expr.hxx>
+
+Expr_Sinh::Expr_Sinh(const Handle(Expr_GeneralExpression)& exp)
+{
+  CreateOperand(exp);
+}
+
+Handle(Expr_GeneralExpression) Expr_Sinh::ShallowSimplified () const
+{
+  Handle(Expr_GeneralExpression) myexp = Operand();
+  if (myexp->IsKind(STANDARD_TYPE(Expr_NumericValue))) {
+    Handle(Expr_NumericValue) myNVexp = Handle(Expr_NumericValue)::DownCast(myexp);
+    return new Expr_NumericValue(Sinh(myNVexp->GetValue()));
+  }
+  if (myexp->IsKind(STANDARD_TYPE(Expr_ArgSinh))) {
+    return myexp->SubExpression(1);
+  }
+  Handle(Expr_Sinh) me = this;
+  return me;
+}
+
+Handle(Expr_GeneralExpression) Expr_Sinh::Copy () const
+{
+  return new Expr_Sinh(Expr::CopyShare(Operand()));
+}
+
+Standard_Boolean Expr_Sinh::IsIdentical (const Handle(Expr_GeneralExpression)& Other) const
+{
+  if (Other->IsKind(STANDARD_TYPE(Expr_Sinh))) {
+    Handle(Expr_GeneralExpression) myexp = Operand();
+    return myexp->IsIdentical(Other->SubExpression(1));
+  }
+  return Standard_False;
+}
+
+Standard_Boolean Expr_Sinh::IsLinear () const
+{
+  return !ContainsUnknowns();
+}
+
+Handle(Expr_GeneralExpression) Expr_Sinh::Derivative (const Handle(Expr_NamedUnknown)& X) const
+{
+  if (!Contains(X)) {
+    return  new Expr_NumericValue(0.0);
+  }
+  Handle(Expr_GeneralExpression) myexp = Operand();
+  Handle(Expr_GeneralExpression) myder = myexp->Derivative(X);
+  Handle(Expr_Cosh) firstder = new Expr_Cosh(Expr::CopyShare(myexp));
+  Handle(Expr_Product) resu = firstder->ShallowSimplified() * myder;
+  return resu->ShallowSimplified();
+}
+
+Standard_Real Expr_Sinh::Evaluate(const Expr_Array1OfNamedUnknown& vars, const TColStd_Array1OfReal& vals) const 
+{
+  Standard_Real val = Operand()->Evaluate(vars,vals);
+  return (::Exp(val)-::Exp(-val))/2.0;
+}
+
+TCollection_AsciiString Expr_Sinh::String() const
+{
+  TCollection_AsciiString str("Sinh(");
+  str += Operand()->String();
+  str += ")";
+  return str;
+}