Miscellaneous

135

Migration issues

135

Source code issues

135

Directives

136

Intrinsic functions

137

Command-line option issues

137

Object code issues

138

Data file issues

138

Approaches to migration

139

HP-supplied migration tools

139

HP FORTRAN 77 compiler

139

HP Fortran compiler

139

Lintfor

139

Fortran incompatibilities detector

139

11 Porting to HP Fortran

141

Compatibility extensions

141

Compiler directives

142

Intrinsic procedures

143

Using porting options

144

Uninitialized variables

144

Large word size

145

One-trip DO loops

145

Name conflicts

146

Names with appended underscores

147

Source formats

147

Escape sequences

148

Porting from Tru64 to HP Fortran

148

+cfc

148

Enhancements

149

New options

149

12 Fortran 2003 Features

151

Interoperability with C

151

Input/output enhancements

151

Miscellaneous enhancements

151

Data enhancements

152

Object orientation features

152

13 Documentation Feedback

153

Glossary

154

Index

159

6Contents

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HP UX Fortran Software manual Porting to HP Fortran 141, Fortran 2003 Features 151