# RecipSF16

Computes the reciprocal of a signed 16.16 number.

### Synopsis

`frac16 RecipSF16( frac16 d )`

### Description

This function computes the reciprocal of a signed 16.16 number and returns the 16.16 result. An overflow is signaled by all bits set in the return value.

### Arguments

d
  16.16 format fractions.

### Return Value

The function returns the reciprocal number.

### Implementation

Folio call implemented in operamath V20.

### Associated Files

operamath.h, operamath.lib

### See Also

``RecipUF16`()`