/* Floating Point and Integer Limits
*/

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <float.h>

main(){
	double x,xx, xm;
	long double z,zz, zm;
	int n,m;
	unsigned int u;
	/* first printing the limits from the limits.h 
	I copied and pasted from 
	http://www.delorie.com/gnu/docs/glibc/libc_682.html
	*/
	printf("The integer limits are \n");
	printf("INT_MIN,INT_MAX,UINT_MAX,LONG_MIN,LONG_MAX,ULONG_MAX\n");
	printf("%lu\n%lu\n%lu\n%lu\n%lu\n%lu\n",
	INT_MIN,
	INT_MAX,
	UINT_MAX,
	LONG_MIN,
	LONG_MAX,
	ULONG_MAX
	);
	/* first printing the limits from the float.h 
	I copied and pasted from 
	http://www.delorie.com/gnu/docs/glibc/libc_682.html
	*/
	printf("The float and double limits are \n");
	printf("FLT_ROUNDS,FLT_RADIX,FLT_MANT_DIG,FLT_RADIX,DBL_MANT_DIG,FLT_DIG,DBL_DIG,FLT_MIN_EXP,DBL_MIN_EXP\n");
	printf("%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n%i\n",
	FLT_ROUNDS,
	FLT_RADIX,
	FLT_MANT_DIG,
	FLT_RADIX,
	DBL_MANT_DIG,
	FLT_DIG,
	DBL_DIG,
	FLT_MIN_EXP,
	DBL_MIN_EXP,
	FLT_MIN_10_EXP,
	DBL_MIN_10_EXP,
	FLT_MAX_EXP,
	DBL_MAX_EXP,
	FLT_MAX_10_EXP,
	DBL_MAX_10_EXP);
	printf("FLT_MAX,DBL_MAX,FLT_MIN,DBL_MIN,FLT_EPSILON,DBL_EPSILON\n");
	printf("%g\n%g\n%g\n%g\n%g\n%g\n\n",
	FLT_MAX,
	DBL_MAX,
	FLT_MIN,
	DBL_MIN,
	FLT_EPSILON,
	DBL_EPSILON
	);
	/* Part 2 x too big */
	x=1;
	xm=11;
	xm=xm/10;
	xx=x*xm;
	while(xx>x){x*=xm;xx*=xm;};
	printf("Part 2: As a double get too big\n");
	printf("x=%g and xx=%g\n",x,xx);
	z=1;
	zm=11;
	zm=zm/10;
	zz=z*xm;
	while(zz>z){z*=zm;zz*=zm;};
	printf("Part 2: As a long get too big\n");
	printf("x=%lg and xx=%lg\n\n",z,zz);
	
	/* Part 3 x too small */
	x=1;
	xm=9;
	xm=xm/10;
	xx=x*xm;
	while(xx>x){x*=xm;xx*=xm;};
	printf("Part 3: As a double get too small\n");
	printf("x=%g and xx=%g\n",x,xx);
	z=1;
	zm=9;
	zm=zm/10;
	zz=z*xm;
	while(zz>z){z*=zm;zz*=zm;};
	printf("Part 3: As a long gets too small\n");
	printf("x=%lg and xx=%lg\n\n",z,zz);
	
	/* Part 4 n too big */
	n=1;
	m=n+1;
	while(m>n){n++;m++;};
	printf("Part 4: As an int get too big\n");
	printf("n=%i and m=%i\n\n",n,m);
	
	/* Part 5: 1 + x = 1 */
	x=1;
	xm=9;
	xm=xm/10;
	while(1+x>1){x*=xm;};
	printf("Part 5 Double 1 + x = 1 when x = %g\n",x);
	z=1;
	zm=9;
	zm=zm/10;
	while(1+z>1){z*=zm;};
	printf("Part 5 long: 1 + z = 1 when z = %lg\n\n",z);
	
	/* Part 6 */
	x=1;
	xm=11;
	xm=xm/10;
	while(1+x>x){x*=xm;};
	printf("Part 6 : Float: 1 + x = x when x = %g\n",x);
	z=1;
	zm=11;
	zm = zm/10;
	while(1+z>z){z*=zm;};
	printf("Part 6 : Double: 1 + z = z when z = %lg\n\n",z);
};