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Decimal Problem In C
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Hi everyone,
Some questions in my previous post is still left unanswered.
Here it is again:
How can i accept decimal numbers from STDIN and perform arithmetic operations on it in C.
How can i create a subroutine within a program, that can be called again & again at different part of a program.
THANKS :mrgreen:
Some questions in my previous post is still left unanswered.
Here it is again:
How can i accept decimal numbers from STDIN and perform arithmetic operations on it in C.
How can i create a subroutine within a program, that can be called again & again at different part of a program.
THANKS :mrgreen:
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Join Date: Jun 2004
Posts: 609
Reputation: 
Solved Threads: 8
Practically a Master Poster
Hi everyone,
I not very clear what you are talking about.
Receving decimal numbers???
Do you mean returning decimal numbers from a function
declare a variable as float
float a;
a = rew( ); // Is this what you mean
As for your other question
You cannot call a function within its own function.
You can declare the function externally being public or private
and call it
if there is arguments and a return value
a = gow(c,d); // Is this what you mean
if it has no arguments or any return values
gow(); //Is this what you mean
I really hope this helps you
Yours Sincerely
Richard West
I not very clear what you are talking about.
Receving decimal numbers???
Do you mean returning decimal numbers from a function
declare a variable as float
float a;
a = rew( ); // Is this what you mean
As for your other question
You cannot call a function within its own function.
You can declare the function externally being public or private
and call it
if there is arguments and a return value
a = gow(c,d); // Is this what you mean
if it has no arguments or any return values
gow(); //Is this what you mean
I really hope this helps you
Yours Sincerely
Richard West
For reading you use scanf() with format specifier "%f","%g","%e" or printf();
the variable tyoe is float and functions are in math.h
You need functions->read tutorials
the variable tyoe is float and functions are in math.h
You need functions->read tutorials
OK, let me clear things up, suppose i want to enter 23.45 using SCANF, the program will only accept the 23 and use the .45 for the other SCANF, how can i avoid it.
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Join Date: Apr 2004
Posts: 4,361
Reputation: 
Solved Threads: 241
First, avoid scanf. Second, use a floating point type to enter a floating point value.
#include <stdio.h>
int main()
{
double number;
fputs("Enter number: ", stdout);
fflush(stdout);
if ( scanf("%lf", &number) == 1)
{
printf("number = %g\n", number);
}
return 0;
}
/* my output
Enter number: 23.45
number = 23.45
*/ "One of the methods used by statists to destroy capitalism consists in establishing controls that tie a given industry hand and foot, making it unable to solve its problems, then declaring that freedom has failed and stronger controls are necessary." --Ayn Rand
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