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<br />9. USE OF 1/0 UNITS <br /> <br />1. Input to this program occurs through Fortran input statements <br />of the form READ 10, A,B,C. Thus the input file should be set <br />up for the default card reader unit. <br /> <br />2. Output from the program occurs either through Fortran output <br />statements of the form PRINT 20, A,B,C or WRITE(6.30)D,E,F. <br />Thus the output from Unit 6 and the default output unit should <br />both be directed to the line printer. <br /> <br />3. Optional punched output of storage-outflow data for stream rout- <br />ing occurs in the program through Fortran output statements of <br />the form WRITE(7,40)A,B,C. Thus output from Unit 7 should be <br />directed to the card punch. <br /> <br />4. Scratch tape (disk) Units 91 - 96 are used by the program. <br />Units 91 - 94 are used by various options during the execu- <br />tion of the program. Also a file is generated on Unit 95 that <br />contains all results as the job processes. This file on Unit <br />95 is used as a basis for generating summary output tables by <br />the routines SUMPO and FLDHAZ. SUMPO uses Unit 95 for input <br />and produces tables on Units 91 - 94 and 96, which are later <br />rewound and copied to the line printer file (Unit 6). FLDHAZ <br />uses Unit 95 for input and produces output directly to the line <br />printer file. <br /> <br />5. Scratch Unit 96 may be eliminated completely if desired. This <br />may be done by decreasing the magnitude of variable NSCRT in <br />BLOCK DATA by one (e.g., changing NSCRT from 6 to 5). This <br />will decrease by one the number of separate summary tables that <br />can be generated by SUMPO (from 5 to 4). Similarly if additional <br />1/0 units are added. a greater number of separate summary tables <br />can be generated by SUMPO. <br /> <br />6. The actual scratch unit numbers used are set in BLOCK DATA. <br />The scratch units (101 through 106), can be changed to <br />other designations consistent with their use, if necessary. <br /> <br />7. Record 1 ength for each scra tch unit is given below: <br /> Units Type Maximum Record Length <br /> 91 Formatted 132 cha racters <br /> 92 Formatted 132 characters <br /> 93 Formatted 132 characters <br /> 94 Formatted 132 characters <br /> 95 Un formatted 100 real words <br /> 96 Formatted 132 characters <br /> <br />29 <br />