frexp

Scilab Function
Last update : 16/12/2004

frexp - dissect floating-point numbers into base 2 exponent and mantissa

### Calling Sequence

  `[f,e]=frexp(x)`

### Parameters

- `x` : real vector or matrix
- `f` : array of real values, usually in the range 0.5 <= abs(f) < 1.
- `e` : array of integers that satisfy the equation: `x = f.*2.^e`

### Description

This function corresponds to the ANSI C function frexp(). Any zeros in `x` produce `f=0` and `e=0` .

### Examples

    [f,e]=frexp([1,%pi,-3,%eps])

### See Also

`log` , `hat` , `ieee` , `log2` ,