[PDF] Chapter 5 Operators

C Variables and Operators - UT Austin Computer Science

ssignment operator has lowest precedence, so all the arithmetic operations on the right-hand side

Chapter 5 Operators

ators Arithmetic Operators • Here are some arithmetic expressions used within assignment 

ARITHMETIC EXPRESSIONS IN C PROGRAMMING - I

wide range of operators An arithmetic expression is composed of operators and operands

Arithmetic operators in C++

thmetic operators: o + addition o - subtraction o * multiplication o / division o modulus operator +, 

1 C++ Operators: 11 Arithmetic Operators:

rs in C++: arithmetic, relational and logical, and bitwise In addition, there are some special 

Implementing exact real arithmetic in python, C++ and C

pii › pdf

UNITARY OPERATORS IN C*-ALGEBRAS - Project Euclid

issue-2 › pjm

A note on compiling arithmetic expressions - Oxford Academic

1972 · Cité 5 fois — the operators + and — as being essentially the same: in the the ALGOL interpretation to a/b/c ) These 

[PDF] c++ maths operation

[PDF] c++ stl pdf

[PDF] c-maths application form

[PDF] c.a.g francais

[PDF] c.g.n.c code général de normalisation comptable maroc

[PDF] c2i qcm pdf

[PDF] c3 temps partiel télécharger

[PDF] c=m/v

[PDF] ca de franche comté en ligne

[PDF] ca fop 2015 cote d'ivoire

[PDF] ca fop 2016 la date du deuxieme tour

[PDF] ca form 568 question m

[PDF] ca ille et vilaine

[PDF] ca nhac quan ho bac ninh

[PDF] ca nuong giay bac xuan hong

PROG0101 Fundamentals of Programming

1

PROG0101

FUNDAMENTALS OF PROGRAMMING

Chapter 5

Operators

PROG0101 Fundamentals of Programming

2

Operators

Topics

Operators

Arithmetic Operators

Relational Operators

Logical Operators

Increment and Decrement Operators

PROG0101 Fundamentals of Programming

3

Operators

Operators

Anoperatorisasymbol,whichhelpstheuserto

orlogicalmanipulations.

Operatorsareusedinprogramminglanguage

programtooperateondataandvariables.

PROG0101 Fundamentals of Programming

4

Operators

Operators

Operatorscanbeclassifiedas:

Arithmeticoperators

RelationalOperators

LogicalOperators

IncrementsandDecrementOperators

PROG0101 Fundamentals of Programming

5

Operators

Arithmetic Operators

numericvalues.

OperatorNameDescription

+Additionto add two numbers together -Subtractionto subtract one number from another *Multiplicationto multiply one number by another. /Divisionto divide one number by another. %Modulus (Remainder) to find the remainder from dividing one number by another.

PROG0101 Fundamentals of Programming

6

Operators

Arithmetic Operators

Example:

i.5+3=8 ii.53=2 iii.5*3=15 iv.5/3=1 v.5%3=2

PROG0101 Fundamentals of Programming

7

Operators

Arithmetic Operators

*,/and%willbeperformedbefore+or-inany expression. evaluationtothis.

PROG0101 Fundamentals of Programming

8

Operators

Arithmetic Operators

Example

i.2 + 5 * 4 3 = ? ii.(2 + 5) * (4 3) = ?

PROG0101 Fundamentals of Programming

9

Operators

Arithmetic Operators

assignmentstatements: i.z = x + y ii.no1 = x y iii.age = a * b + c iv.velocity = distance / time v.force = mass * acceleration vi.count = count + 1

PROG0101 Fundamentals of Programming

10

Operators

Integer Arithmetic

calledasintegerarithmetic.

Italwaysgivesanintegerastheresult.

PROG0101 Fundamentals of Programming

11

Operators

Integer Arithmetic

Example

Letx=27andy=5betwointegernumbers.Thenthe

i.x + y = 32 ii.x y = 22 iii.x * y = 115 iv.x % y = 2 v.x / y = 5

PROG0101 Fundamentals of Programming

12

Operators

Floating-point Arithmetic

iscalledfloating-pointarithmetic.

PROG0101 Fundamentals of Programming

13

Operators

Floating-point Arithmetic

Example

Let x = 14.0 and y = 4.0 then

i.x + y = 18.0 ii.x y = 10.0 iii.x * y = 56.0 iv.x / y = 3.50

PROG0101 Fundamentals of Programming

14

Operators

Relational Operators

Anoperatorthatcomparestwovalues.

Forexample,theexpression:

ThisexpressionwillhaveavalueofTRUEifthe

expressionwillbeFALSE. x < 5 means x is less than 5

PROG0101 Fundamentals of Programming

15

Operators

Relational Operators

Relationaloperatorsaresometimescalled

comparisonoperators. calledrelationalexpressions.

Whereexp1andexp2areexpressions,whichmay

them. relational operator

PROG0101 Fundamentals of Programming

16

Operators

Relational Operators

Thefollowingarerelationaloperators:

OperatorNameDescription

Indicates whether the value of the left operand is less than the value of the right operand. <=Less than or equal to

Indicates whether the value of the left

operand is less than or equal to the value of the right operand. >Greater than

Indicates whether the value of the left

operand is greater than the value of the right operand. >=Greater than or equal to

Indicates whether the value of the left

operand is greater than or equal to the value of the right operand.

PROG0101 Fundamentals of Programming

17

Operators

Relational Operators

Thefollowingarerelationaloperators:

OperatorNameDescription

==Equal to

Indicates whether the value of the left

operand is equal to the value of the right operand. !=Not equal to

Indicates whether the value of the left

operand is not equal to the value of the right operand.

PROG0101 Fundamentals of Programming

18

Operators

Relational Operators

Example:

Letx=2andy=5then

i.x < y = True ii.(x + 2) > (y * 2)= False iii.(x + 3) <= y = True iv.x != y = True v.y > (3 + x)= False

PROG0101 Fundamentals of Programming

19

Operators

Logical Operators

relationalexpressions.

Thefollowingarelogicaloperators:

OperatorName

&&LogicalAND ||LogicalOR !Logical NOT

PROG0101 Fundamentals of Programming

20

Operators

Logical AND

expressionistrue.

Exp1Exp2Exp1 && Exp2

FalseFalseFalse

TrueFalseFalse

FalseTrueFalse

TrueTrueTrue

PROG0101 Fundamentals of Programming

21

Operators

Logical AND

Example:

(a > b) && (x == 10) equalto10.

PROG0101 Fundamentals of Programming

22

Operators

Logical AND

Example:

Givena=2,b=3andc=5,evaluatethefollowing

logicalexpressions: i.(a > b) && (c != 5)= False ii.(a < b) && (c < b)= False iii.(a > b) && (c == 5) = False iv.(a < b) && (b < c)= True

PROG0101 Fundamentals of Programming

23

Operators

Logical OR

istrue. orifbothofthemaretrue.

Exp1Exp2Exp1 || Exp2

FalseFalseFalse

TrueFalseTrue

FalseTrueTrue

TrueTrueTrue

PROG0101 Fundamentals of Programming

24

Operators

Logical OR

Example:

(a < m) || (a < n) trueorifbothofthemaretrue.

PROG0101 Fundamentals of Programming

25

Operators

Logical OR

Example:

Givena=2,b=3andc=5,evaluatethefollowing

logicalexpressions: i.(a > b) || (c != 5)= False ii.(a < b) || (c < b)= True iii.(a > b) || (c == 5) = True iv.(a < b) || (b < c)= True

PROG0101 Fundamentals of Programming

26

Operators

Logical NOT

evaluatestofalseiftheexpressionistrue.

Inotherwordsitjustreversesthevalueofthe

expression.

Exp1!Exp1

TrueFalse

FalseTrue

PROG0101 Fundamentals of Programming

27

Operators

Logical NOT

Example:

! (x >= y) ofxisneithergreaterthanorequaltoy

PROG0101 Fundamentals of Programming

28

Operators

Logical NOT

Example:

Givena=2,b=3andc=5,evaluatethefollowing

logicalexpressions: a) !(a > b)= True b) !(a < b) = False c) !(a > b || c == 5)= False

PROG0101 Fundamentals of Programming

29

Operators

Increment and Decrement Operators

theunaryoperatorswhichareveryusefulin programminglanguage.

Theyareextensivelyusedinloops.

Thesyntaxoftheoperatorsisgivenbelow:

++ variable name variable name++ quotesdbs_dbs21.pdfusesText_27