C

[Alastair Dallas]

In article <1989Feb28.170504.17123 at utzoo.uucp>, henry at utzoo.uucp (Henry Spencer) writes:
> In article <9501 at bloom-beacon.MIT.EDU> yphotons at athena.mit.edu (Sun Warrior) writes:
> >I would like to know how to set an array (float) to a certain size...
> >... I would first like to be able to type in the size and
> >then set the array...
> 
> You can't.  With certain (unhelpful) exceptions, the dimensions of C arrays
> must be constants.  You can get much the same effect using malloc() and
> pointers, although it is more complicated.

It's not very complicated at all:

	float *p;
	int i;
	int n;

	printf("Enter the size of the array:");
	scanf("%d", &n);
	p = (float *) calloc(n, sizeof(float));
	
	for (i=0; i<n; i++)
		p[i] = 0.0;

	...

	free(p);

What's the big deal?

/alastair/