[PDF] Chapter 5 Operators Logical Operators. • Increment and Decrement





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C - Operators

C language is rich in built-in operators and provides the following types of operators: Arithmetic Operators. Relational Operators. Logical Operators.



Chapter 5 Operators

Logical Operators. • Increment and Decrement Operators An operator is a symbol which helps the user to ... Operators are used in programming language.



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10 févr. 2007 Data Types and Operators. There are two kinds of variables in Verilog. • nets: used to represent structural connectivity.



PANEITZ-TYPE OPERATORS AND APPLICATIONS

The Paneitz operator is conformally invariant in the sense that if ˜g = e2?g is a we deal with definition (0.3) for Paneitz-type operators.



PANEITZ-TYPE OPERATORS AND APPLICATIONS

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An Operator specifies an operation to be performed that yields a value. Associativity can be of two types – Left to Right or Right to Left.



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Inverse iteration and Laplace averages project onto eigenspaces of spectral operators with minimal point spectrum. Two classes of dynamical systems — attracting 



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2 11 Expressions and Operators – An Introduction 2 12 Assignment Statements 2 13 Arithmetic Operators 2 14 Relational Operators 2 15 Logical Operators 2 16 Comma and Conditional Operators 2 17 Type Cast Operator 2 18 Size of Operator 2 19 C Shorthand 2 20 Priority of Operators 2 21 Summary 2 22 Solutions / Answers



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&= Bitwise AND assignment operator C &= 2 is same as C = C & 2 ^= bitwise exclusive OR and assignment operator C ^= 2 is same as C = C ^ 2 = bitwise inclusive OR and assignment operator C = 2 is same as C = C 2 Misc Operators ↦ sizeof & ternary There are few other important operators including sizeof and ? : supported by C Language

PROG0101 Fundamentals of Programming

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PROG0101

FUNDAMENTALS OF PROGRAMMING

Chapter 5

Operators

PROG0101 Fundamentals of Programming

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Operators

Topics

Operators

Arithmetic Operators

Relational Operators

Logical Operators

Increment and Decrement Operators

PROG0101 Fundamentals of Programming

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Operators

Operators

Anoperatorisasymbol,whichhelpstheuserto

orlogicalmanipulations.

Operatorsareusedinprogramminglanguage

programtooperateondataandvariables.

PROG0101 Fundamentals of Programming

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Operators

Operators

Operatorscanbeclassifiedas:

Arithmeticoperators

RelationalOperators

LogicalOperators

IncrementsandDecrementOperators

PROG0101 Fundamentals of Programming

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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

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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

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Operators

Arithmetic Operators

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

PROG0101 Fundamentals of Programming

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Operators

Arithmetic Operators

Example

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

PROG0101 Fundamentals of Programming

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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

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Operators

Integer Arithmetic

calledasintegerarithmetic.

Italwaysgivesanintegerastheresult.

PROG0101 Fundamentals of Programming

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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

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Operators

Floating-point Arithmetic

iscalledfloating-pointarithmetic.

PROG0101 Fundamentals of Programming

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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

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Operators

Relational Operators

Anoperatorthatcomparestwovalues.

Forexample,theexpression:

ThisexpressionwillhaveavalueofTRUEifthe

expressionwillbeFALSE. x < 5 means x is less than 5

PROG0101 Fundamentals of Programming

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Operators

Relational Operators

Relationaloperatorsaresometimescalled

comparisonoperators. calledrelationalexpressions.

Whereexp1andexp2areexpressions,whichmay

them. relational operator

PROG0101 Fundamentals of Programming

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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

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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

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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

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Operators

Logical Operators

relationalexpressions.

Thefollowingarelogicaloperators:

OperatorName

&&LogicalAND ||LogicalOR !Logical NOT

PROG0101 Fundamentals of Programming

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Operators

Logical AND

expressionistrue.

Exp1Exp2Exp1 && Exp2

FalseFalseFalse

TrueFalseFalse

FalseTrueFalse

TrueTrueTrue

PROG0101 Fundamentals of Programming

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Operators

Logical AND

Example:

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

PROG0101 Fundamentals of Programming

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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

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Operators

Logical OR

istrue. orifbothofthemaretrue.

Exp1Exp2Exp1 || Exp2

FalseFalseFalse

TrueFalseTrue

FalseTrueTrue

TrueTrueTrue

PROG0101 Fundamentals of Programming

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Operators

Logical OR

Example:

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

PROG0101 Fundamentals of Programming

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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

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Operators

Logical NOT

evaluatestofalseiftheexpressionistrue.

Inotherwordsitjustreversesthevalueofthe

expression.

Exp1!Exp1

TrueFalse

FalseTrue

PROG0101 Fundamentals of Programming

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Operators

Logical NOT

Example:

! (x >= y) ofxisneithergreaterthanorequaltoy

PROG0101 Fundamentals of Programming

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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

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Operators

Increment and Decrement Operators

theunaryoperatorswhichareveryusefulin programminglanguage.

Theyareextensivelyusedinloops.

Thesyntaxoftheoperatorsisgivenbelow:

++ variable name variable name++ quotesdbs_dbs21.pdfusesText_27
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