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Introduction to Fortran and Fortran Compiling. Outline. Surfing www.mcsr.olemiss.edu website. Logging into the system via ssh. Basic Structure and Syntax of Fortran ...
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Title: ForTran Subject: Chapter 3 Author: Sibevin Wang Last modified by: Wang Created Date: 7/19/2003 2:48:05 PM Document presentation format
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The scientific and military communities adopted Fortran as a standard ... Fortran was caught up in political entanglements (Fortran Saga) 1991 gave Fortran 90 ...
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FORTRAN History FORTRAN - Interesting Facts FORTRAN is the oldest Language actively in use today. FORTRAN is still used for new software development in many ...
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FORTRAN By Outline Fortran ...
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Chapter 5 5-1 Do do 10, I = 1, N, 1 10 continue 5-1 Do do I = 2, N, 2 end do 5-1 Do Do ...
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First compiler written from scratch 1954-1957 by an IBM team lead by John W. Backus. ... Apostrophe delimited character string constants. ...
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dominant programming language used in engineering applications ... To overrule. IMPLICIT NONE. To add additional implicit variable type. IMPLICIT COMPLEX C,X ...
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A typical 32-bit real has a 24-bit mantissa and an 8-bit exponent. ... length of the mantissa a 24-bit mantissa gives approximately 7 significant decimal digits. ...
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Direct competition with assembler compelled it to have a fast, well optimized code ... INTEGER i(10) , REAL a(12), REAL b(*) However these are also valid : ...
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'FORTRAN 77 is FORTRAN done right.' - James Ball, 1983. History of FORTRAN ... FORTRAN 77 is not to hard to read on a small scale, but when many GOTO ...
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First used on IBM 704 computers in 1957. Used extensively on Supercomputers ... Is not object oriented or anything else trendy. Fortran Programming CGS3410-CGS3460 ...
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Title: PowerPoint Presentation Last modified by: stefano Created Date: 1/1/1601 12:00:00 AM Document presentation format: Presentazione su schermo
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Assembly and Machine required deep knowledge of how ... Constable, George, ed. Understanding Computers: Computer Languages. Time-Life Books, Inc, 1986. ...
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The DIMENSION attribute declares an array (10x10). Data Objects. Character Declarations ... is defined between two objects of the same user-defined type. ...
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Co-Array Fortran Open-source compilers and tools for scalable global address space computing John Mellor-Crummey Rice University
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Teaching Fortran across cultures & continents Ian Chivers (Rhymney Consulting) & Jane Sleightholme (Fortranplus) A range of our international Fortran training over ...
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... implicit type is assumed depending on the first letter of the variable name: ... Used to store ASCII characters in numeric variables using one byte per character ...
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IF (PID==CEIL(N 1/100)-1) hi = MOD(N,100) 1. DO i = lo, hi. A(i) = B(i-1) ... lastP = CEIL((N 1)/100) - 1. IF (PID==lastP) hi = MOD(N,100) 1. DO i = lo, hi 1 ...
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Restrict kind of parallelism used. Use semi-automatic approach ... More restrictive than general message passing model (only data parallelism) ...
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'It was our belief that if FORTRAN, during its first months, were to translate ... The natural desire to work on fashionable problems and 'low hanging fruits' 19 ...
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expect best performance by leveraging vendor F90 compiler. Co-arrays ... Porting to a new compiler / architecture ... Compiler optimization of communication and I/O ...
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Defined and implemented by Backus and his IBM team in mid 1950s ... letters, apostrophe, -- letters, digits, digits underscores. Side (margin) notes Comments ...
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Most characters are single 8 bit blocks of memory, so the typical basic ... We can put two strings together (called concatenation). New = StringA//StringB ...
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Fundamentals of Fortran 90 Basic Building Blocks Identifiers Rules for Identifiers The first character must be a letter. The remaining characters may be letters ...
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Digunakan mencetak dan membaca data dalam susunan tertentu. ... PRINT 4, NAMA, ALAMAT. 4 FORMAT (5X, A12,A4) bbbbbbbbbABDULLAHFSKSM. Pengaturcaraan Fortran ...
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Pelbagai Cara Pengistiharan Tatasusunan. INTEGER LIMIT. PARAMETER (LIMIT=100) ... Terdapat 3 Cara. Menggunakan Gelung (Looping) DO. Menggunakan Nama Tatasusunan ...
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FUNCTIONS IN FORTRAN For a complex program difficulties like writing it and debugging are encountered. These can be minimized by breaking main program into parts ...
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Developing a plan and a program. Dive into Fortran! ... Think of it like deer or fish ... ( But who needs a mouse anyway? ...
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Because parallel programs are machine-specific scientists are discouraged from ... Represents the translation of the problem onto the finite resources of the machine ...
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One of the oldest computer languages. created by John ... Use indenting to make code readable. AE6382. Old IF Statements. Arithmetic IF statement (3-branch) ...
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Supercomputers mostly do floating point math, so their performance is measured ... Reshape function is pretty cool. Matrix = RESHAPE( Source, Shape ) A ...
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... OR gate : An output pulse is produced only if there is an input pulse on at ...
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Fortran Compilers: David Padua. Application / user viewpoint: Henry Tufo ... 'In the beginning there was Fortran.' Jim Gray. 3. Fortran Project (1954-1957) Goals ...
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FORTRAN Short Course. Week 4. Kate Thayer-Calder. March ... Zonal Average Example ... When you do a zonal average, first average in time at each point and then ...
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the IF (...) THEN is a single Fortran statement. they must be written together on ... Show me. your code. result of the test case. 6, 8, 10 = Valid triangle! ...
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HPF$ DISTRIBUTE A(BLOCK) ONTO pr !HPF$ DISTRIBUTE C(CYCLIC) ONTO pr ... Fortran: an historical object lesson' by Ken Kennedy, Charles Koelbel, Hans Zima. ...
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Where m is the index of the first element and n indicates the index of the last element. ... First method (array name): Second method (implied loop) ...
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An identifier is a name that a programmer creates for items within a ... Fixed point real ( f ) 'Mantissa' letter E. integer exponent ( n ) Interpretation f*10n ...
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Sarah Winchester, heir to Winchester Gun Fortune, built the Winchester Mansion until 1922. ... Case and multi-else if-statements introduced. Array processing ...
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ACHAR, IACHAR, LEN, LEN_TRIM, TRIM (150-old textbook, 159-new textbook) ... ACHAR(int1): returns the character corresponding to int1 in the ASCII collating sequence ...
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REAL (KIND=isp), INTENT(OUT) :: hypotenuse ! Local variables. REAL (KIND=isp) :: temp ! ... Hypotenuse is 5.000000. lfreeman-module_example- a.out ...
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Tasks are implemented in FM as processes ... Because FM directly uses the task/channel metaphor, previous techniques can be applied directly ...
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A Closer Look at the Specification Part. A Closer Look at the Execution Part ... They are partitioned into a mantissa and an exponent, ...
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User-provided subprogram that typically performs a well-defined task within the program. ... LOG(X) returns loge of X. LOG10(X) returns log10 of X. EXP(X) returns eX. ...
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Almost all the content is based on material accessible via links from the factsheet ... Provide ACOS, ASIN, ATAN, COSH, SINH, TAN and TANH for complex type. ...
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Keywords: software programming tools, Fortran, static source ... Conduct portability checks between multiple host environments an the ANSI F77/F90 standards ...
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No nested procedure definitions Only two scopes. Procedural arguments allowed ... C is used to accumulate the checksum because standard Fortran does not ...
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John Numrich, Minnetonka Middle School West. 2. What is Co-Array Fortran? ... East-West Halo Swap. Move last row from west to my first halo ...
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Cygwin is a Linux-like environment for Windows that consists of two parts: ... How to start cygwin ... Compile by typing g95 hello.f90 (in the cygwin window) ...
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Co-Array Fortran is one of three simple language extensions to support explicit ... Runs on the HP-Alpha systems at PSC and GSFC. Runs on SGI platforms ...
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To use a particular module in a program unit, a USE statement must be included ... The name of the module file is listed before the main program file. Derived ...
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4. The last statement in a FORTRAN program should be the END statement. ... Exercises. Exercise. 2. Which of the following statement(s) is/are correct according to ...
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of digits after the point. 5. format descriptors. integer output: I ... Write a program to get two 3-digit integers from the user, print the sum and ...
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Still popular with scientists and engineers (moving towards F90) ... Based upon C (useful to know when shell scripting) Navigation commands. cd. cp. mv. find. ...
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