## modf(var x, var* p): var

Splits **x** in a fractional and integer part, each of which has the same sign as **x**.
### Parameters:

**x** - any number.

**p** - **var**
pointer, or **0** if the integer part is not needed.

### Returns:

Fractional part of **x**. Integer part is stored in *p.
### Speed:

Fast
### Example:

var y;
var x = modf(123.456,&y); *// x = 0.456 and y = 123.0 *

### See also:

floor,
ceil, fmod, %
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