# heliaCORE.Internal.arm_nn_s4_decode

## arm_nn_s4_low_nibble

`function` · `c`

```c
static int8_t arm_nn_s4_low_nibble(int8_t packed)
```

**Parameters**

| Name | Type | Direction | Description |
| --- | --- | --- | --- |
| packed | int8_t |  |  |

Source: `Include/Internal/arm_nn_s4_decode.h:17`

## arm_nn_s4_high_nibble

`function` · `c`

```c
static int8_t arm_nn_s4_high_nibble(int8_t packed)
```

**Parameters**

| Name | Type | Direction | Description |
| --- | --- | --- | --- |
| packed | int8_t |  |  |

Source: `Include/Internal/arm_nn_s4_decode.h:25`