Example of arrays pointers, Computer Engineering

Assignment Help:

Q. Example of arrays pointers?

General form of declaration of array in Fortran 90 is

type, DIMENSION(bound) [,attr] :: name

E.g. the declaration 

        INTEGER, DIMENSION(5): A

Declare an array A of size 5.

General representation of declaration of array in C is 

type array_name [size]

E.g. declaration A

   int A[10]

Declares an array of size 10.

Fortran 90 allows using particular sections of an array. To access a part of an array you require name of the array followed by two integer values splitted by colon enclosed in parentheses. The integer values symbolize indices of section needed. E.g. a (3:5) denotes to elements 3, 4, 5 of array, a(1:5:2) denotes to elements 1, 3, 5 of the array and b(1:3, 2:4) denotes to elements from rows 1 to 3 and columns 2 to 4.  In C there is just one type of array whose size is determined statically although there are provisions for dynamic allocation of storage by dynamic memory allocation functions such as malloc and calloc functions and pointers. In Fortran 90 there are 3 probable kinds of arrays depending on binding of an array to some amount of storage: Static arrays with fixed size at the time of declaration and can't be changed at the time of execution, Automatic arrays or Semi-dynamic arrays: the size is decided after entering a subroutine and arrays can be created to match the exact size needed however local to a subroutine and Allocatable arrays or Dynamic arrays: the size can be changed at the time of execution.


Related Discussions:- Example of arrays pointers

Overflow or underflow for floating point numbers, In floating point numbers...

In floating point numbers when so you say that an overflow or underflow has occurred? Ans: A) In single precision numbers when an exponent is less than +127 then we say that

Define in brief about the database management systems, Define in brief abou...

Define in brief about the Database Management Systems Databases (Database Management Systems - DBMS) Databases are used to organise and collect information. Most databas

What is python?, Python is an interpreter, interactive, object-oriented pro...

Python is an interpreter, interactive, object-oriented programming language. It is frequently compared to Tcl, P e r l, Scheme or Java. Python combines remarkable power with v

How speech is transmitted in a digital switching environment, How speech is...

How speech is transmitted in a digital switching environment using PCM/TDM? A digital carrier system is a communications system which uses digital pulses quite than analogue si

Advantages and disadvantages of public-key cryptography, Advantages and Dis...

Advantages and Disadvantages of Public-key cryptography Advantages (i) Enhanced security and convenience  (ii) Electronic records may be authenticated by affixing

Advantages of edi (electronic data interchange), Advantages of EDI 1.  ...

Advantages of EDI 1.  EDI replaces paper transactions with electronic transactions therefore it saves times and speeds up transactions. 2.  It gives a legal record of busine

What is link destruction, What is link destruction? Link destruction is...

What is link destruction? Link destruction is inverse of link creation. When a link is destroyed makes sure the associated objects accessible by other handles or intentionally

How do you make an append query, Append query can be used if you would like...

Append query can be used if you would like to add new rows of data to an already active table. The process of making an append query follows these steps they are. ? Basic step

Draw the logic circuit of Decimal to BCDencoder, What is an encoder? Draw t...

What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working. Ans. Encoder: It is a combinational logic circuit which converts alphanumeric ch

What is task gantt, Task Gantt   Task Gantt shows different tasks being...

Task Gantt   Task Gantt shows different tasks being performed it implies that numerous kind of activities by set of processors connected to parallel computer as displayed in Fi

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd