F77

f77, a Fortran77 code which demonstrate some features of the Fortran77 language.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

Directories related to F77 are available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version and a Python version.

Related Data and Programs:

f77_test

f77_intrinsics, a FORTRAN77 code which illustrates the use of intrinsic functions.

MAKEFILES, a FORTRAN77 code which illustrates the use of makefiles.

MATLAB_CALLS_F77, a MATLAB code which calls a FORTRAN77 function, using MATLAB's mex facility.

MIXED, a FORTRAN77 code which shows some examples of writing a program partly in FORTRAN77 and partly in some other language.

MPI, a FORTRAN77 code which shows how to set up parallel programs in FORTRAN77.

TIMESTAMP, a FORTRAN77 code which shows how to get a timestamp.

References:

• GNU,
  GFORTRAN Reference Manual.
• IBM Corporation,
  XLF Language Reference Manual
• Intel Fortran Language Reference.

Source code:

• f77.sh, compiles the source codes;

BIG_INTS_REAL shows what can go wrong when you try to move large integer values into and out of real variables.

• big_ints_real.f, the source code;
• big_ints_real.sh, compiles the source code;

HELLO is just a "Hello, world!" program. Files you may copy include:

• hello.f, the source code;
• hello.sh, commands that compiles the source code;

RANDOM_NUMBERS shows one way to generate random numbers, given that FORTRAN77 does not specify a built in random number generator. Files you may copy include:

• random_numbers.f, the source code;
• random_numbers.sh, commands that compiles the source code;

STOP_MESSAGE shows that a FORTRAN STOP statement can include a message to be printed.

• stop_message.f, the source code;
• stop_message.sh, compiles the source code;