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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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vol_200
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253_01
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floatsq.c
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1990-02-14
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/* Chapter 5 - Program 3 */
float z; /* This is a global variable */
main()
{
int index;
float x,y,sqr(),glsqr();
for (index = 0;index <= 7;index++){
x = index; /* convert int to float */
y = sqr(x); /* square x to a floating point variable */
printf("The square of %d is %10.4f\n",index,y);
}
for (index = 0; index <= 7;index++) {
z = index;
y = glsqr();
printf("The square of %d is %10.4f\n",index,y);
}
}
float sqr(inval) /* square a float, return a float */
float inval;
{
float square;
square = inval * inval;
return(square);
}
float glsqr() /* square a float, return a float */
{
return(z*z);
}
/* Result of execution
The square of 0 is 0.0000
The square of 1 is 1.0000
The square of 2 is 4.0000
The square of 3 is 9.0000
The square of 4 is 16.0000
The square of 5 is 25.0000
The square of 6 is 36.0000
The square of 7 is 49.0000
The square of 0 is 0.0000
The square of 1 is 1.0000
The square of 2 is 4.0000
The square of 3 is 9.0000
The square of 4 is 16.0000
The square of 5 is 25.0000
The square of 6 is 36.0000
The square of 7 is 49.0000
*/