There is a complete specification of Fortran 90 intrinsic functions near the end of the book. It can be instructive to take your best guess and see whether it compiles. If you are using a telnet window, open that window and log on to the SP now. Create an empty subdirectory to work in so that the files from this tutorial do not get mixed up with your other files. Use the UNIX cp command to copy the tutorial files to your subdirectory.
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In the program, the size of a square, 2-D array, asize , is set to 50. You can edit the program to reset asize to any even number less than 100. The array will be filled with random numbers between -1.0 and 1.0. This lab exercise for Fortran 90 will further familiarize the user with intrinsic functions for array computations. This exercise builds on the results of Lab 2.