C programming


<?
#include <stdio.h> 

#include <stdlib.h> 



float numberArray[5]; // to hold the values 





// A funtion to ask for a float 

void readFloat(int num) 

{ 



float tnum; 

char line[256]; 





printf("\nEnter Value %i : ",num); // Ask 

getline(line, 256); // read 

tnum = (float)strtod(line); // convert (0 if invalid) 



if (tnum == 0) 

{ 

printf("\nInvalid Input... try again); 

readFloat(num); // loop 

} 

else 

numberArray[num] = tnum; // store one value 



} 





// Display the array 

void displayAll() 

{ 

for(int i = 0; i < 5; i++) 

printf("\nTemp %i = %f",i,numberArray[i]); 

} 







// Selection Sort 

void sortArray() 

{ 





int i,j,n,min_pos; 

float tmp; 



for (i=1; i < n; i++)

{ 

min_pos = i; 

for (j = i + 1; j < n; j++) 

if (numberArray[j] < numberArray[min_pos]) min_pos = j;



tmp = numberArray[i]; 

numberArray[i] = numberArray[min_pos]; 

numberArray[min_pos] = tmp; 

} 

} 







void convToCelcius() 

{ 





for(int i = 0; i < 5; i++) 

numberArray[i] = ( ( (numberArray[i] - 32) / 9) * 5 ); 



} 





void convToFahr() { 



for(int i = 0; i < 5; i++) 

numberArray[i] = ( (numberArray[i]/5) * 9) + 32; 



} 





void main() 



{ 



for(int i = 0; i < 5; i++) 

readFloat(i); 





printf("\nHere are the numbers entered : ") 

sortArray(); 

displayAll(); 



char c; 

printf("Convert to Farheniet?"); 



scanf("%c",&c); 



if(c = 'Y') 

{ 

convToFahr(); 



printf("\nHere are the converted numbers"); 

displayAll(); 

char c2; 

printf("Convert back?"); 

scanf("%c",&c2); 

if(c2 = 'Y') 

{ 

convToCelcius(); 

printf("\nHere are your numbers"); 

displayAll(); 

} 

} 

}
?>


<?
printf("\nEnter Value %i : ",num); // Ask 

getline(line, 256); // read 

tnum = (float)strtod(line); // convert (0 if invalid)
?>

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Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

C programming

alright nerd. i need your help.

PHP:

i keep getting an error saying " undefined function 'getline'" and "too few parameters in call to strtod"

there a few other shitty little problems like no ; at the end of some of the words, but thats fine.

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Last edited by Michael19 on Feb-24-2005 at 03:08

Feb-23-2005 23:24

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Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

it was typed in notepad

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Feb-23-2005 23:38

Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

quote:
Originally posted by Nou
wtf... half this code isnt even correct...

seriously, your gettin syntax errors left and right, I would fix those before worrying about thos function calls getting messed up.

$10 says fixing those syntax errors will also solve your other problems!

i fixed the syntax errors before and it didnt help, its definitly the function call problems. i will finish the syntax erors for you now though.

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Feb-23-2005 23:47

Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

i fixed all the syntax errors in the original post now i think.

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Feb-23-2005 23:49

RenderedDream
what should i put here?

Registered: Dec 2001
Location: Aveiro

quote:
Originally posted by Michael19
i fixed all the syntax errors in the original post now i think.

wtf's this then?

quote:
for (i=1; i

{

min_pos = i;

for (j=i+1; j

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Feb-24-2005 01:06 Portugal

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Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

for (i=1; i < n; i++)
{
min_pos = i;
for (j=i+1; j < n; j++)

is that right? i cant notice the mistake if your post in the original one.

i aint be doing this very long so that why its shite.

when i go to edit it, its fine, but it doesnt look fine when posted, fuckn piece of shit

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Last edited by Michael19 on Feb-24-2005 at 01:18

Feb-24-2005 01:12

Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

there

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Feb-24-2005 03:09

Resnick
Supreme tranceaddict

Registered: Feb 2003
Location: Toronto

so where is this getline function actually defined? u gotta include it at the top of ur code (unless its standard built in functino of c, but make sure ur including the right files, and using right parameters/syntax to call the function)

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Feb-24-2005 03:13 Canada

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Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

quote:
Originally posted by Resnick
so where is this getline function actually defined? u gotta include it at the top of ur code (unless its standard built in functino of c, but make sure ur including the right files, and using right parameters/syntax to call the function)

spot on, cheers

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Feb-24-2005 03:16

Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

PHP:

second problem is " too few parameters in call to strtod(const char*, char**0"

any ideas anyone?

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Feb-24-2005 03:19

Resnick
Supreme tranceaddict

Registered: Feb 2003
Location: Toronto

double strtod(const char *nptr, char **endptr);

im not even sure if thats what ur talking about..but google says theres two parameters :P

edit: and in fact thats what the compiler error told u...ur only giving it one parameter in the code u quoted

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Feb-24-2005 03:29 Canada

Michael19
Liverpool FC fan

Registered: Jul 2004
Location: Eire

quote:
Originally posted by Resnick
double strtod(const char *nptr, char **endptr);

im not even sure if thats what ur talking about..but google says theres two parameters :P

edit: and in fact thats what the compiler error told u...ur only giving it one parameter in the code u quoted

i am now getting an expression syntax instead

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Feb-24-2005 03:34

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