Re: [Dev-C++] float and double

[<Rob...@ao...>]

In a message dated 06/03/01 13:09:20 GMT Standard Time,=20
pet...@im... writes:

<< Any quick explanations on the difference between a float and a double whe=
n
 used as variables? >>

Take a look at float.h :-)

Or look below ;o)

<</*
 * The characteristics of float.
 */

/* The radix for floating point representation. */
#define FLT_RADIX   2

/* Decimal digits of precision. */
#define FLT_DIG     6

/* Smallest number such that 1+x !=3D 1 */
#define FLT_EPSILON 1.19209290e-07F

/* The number of base FLT_RADIX digits in the mantissa. */
#define FLT_MANT_DIG    24

/* The maximum floating point number. */
#define FLT_MAX     3.40282347e+38F

/* Maximum n such that FLT_RADIX^n - 1 is representable. */
#define FLT_MAX_EXP 128

/* Maximum n such that 10^n is representable. */
#define FLT_MAX_10_EXP  38

/* Minimum normalized floating-point number. */
#define FLT_MIN     1.17549435e-38F

/* Minimum n such that FLT_RADIX^n is a normalized number. */
#define FLT_MIN_EXP (-125)

/* Minimum n such that 10^n is a normalized number. */
#define FLT_MIN_10_EXP  (-37)


/*
 * The characteristics of double.
 */
#define DBL_DIG     15
#define DBL_EPSILON 1.1102230246251568e-16
#define DBL_MANT_DIG    53
#define DBL_MAX     1.7976931348623157e+308
#define DBL_MAX_EXP 1024
#define DBL_MAX_10_EXP  308
#define DBL_MIN     2.2250738585072014e-308
#define DBL_MIN_EXP (-1021)
#define DBL_MIN_10_EXP  (-307)>>

XANDER: Who's a little fear demon? Come on, who's a little fear demon?
GILES: Don't taunt the fear demon.
XANDER: Why? Can he hurt me?
GILES: No, it's just tacky.
...
GACHNAR: I am the Dark Lord! Fear me!
WILLOW: He=E2=80=99s so cute!
BtVS Season 4 - "Fear, Itself"