Skip to main content

Precision of floating point number

Precision of floating point number: floating-point numbers cannot exactly represent all real numbers, and that floating-point operations cannot exactly represent right value. It’s return approximate digit. It is called Precision of floating point number. The precision of floating point number will vary from one version to another. Almost all version of the language allow at least six significant figures.
i.e. 1.0 is a floating point number. It might be represented within the computer’s memory as 0.999999………, it is not accurate value of 1.0. However it might appear as 1.0

Comments

Popular posts from this blog

Object-Oriented Programming and JAVA Programming Language

  Object-Oriented Programming and:   Object-oriented programming (OOP) is a programming paradigm using "objects" – data structures consisting of data fields and methods together with their interactions – to design applications and computer programs. Programming techniques may include features such as data abstraction, encapsulation, messaging, modularity, olymorphism, and inheritance. Many modern programming languages now support OOP, at least as an option. JAVA Programming Language: Object-oriented programming is at the core of Java. In fact, all Java programs are object-oriented, this isn’t an option the way that it is in C++, for example. OOP is so integral to Java that you must understand its basic principles before you can write even simple Java programs. Therefore, this chapter begins with a discussion of the theoretical aspects of OOP.

Absolute value and Floating-point absolute value function in C Programming Language

Absolute value function in C Programming Language is abs(i), Its return the absolute valu of i. where  i  is any positive or negative  number. It is integer type function. The include file of abs(i) is stslib.h Observe under program: #include<stdio.h> #include<stdlib.h> int main(void) { int a; scanf("%d",&a); printf("%d",abs(a)); } Here I use a integer number. Input it by scanf and print the Absolute value by abs() function. Floating-point Absolute value function in C Programming Language is fabs(i), Its return the absolute valu of i. where  i  is any positive or negative  Floating-point number. It is double integer type function. The include file of fabs(i) is math.h Observe under program: #include<stdio.h> #include<stdlib.h>  int main(void) { float a; scanf("%f",&a); printf("%.2f",fabs(a)); } Here I use a integer number. Input it by scanf and print the Floating-point Absolute value b...

DIFFERENCE BETWEEN IDENTIFIER AND KEYWORD

Identifier keyword Identifiers are names that are given to various program elements, such as variable, function and arrays. C take some reserved word called keyword, they have predefine meaning in C. Identifiers consist of letters and digits. Keyword consist only letter. Identifier’s first character must be a letter. Keyword’s all character is letter. Identifiers Upper and lowercase letter is use. Keywords are all lowercase. Upper and lowercase are not equivalent. Upper and lowercase are also not equivalent. Like: X, sum_5, _weather etc. But 4 th is not identifier cause identifier first character must a letter. Like: auto, short, long etc.