A high-performance general-purpose compute library

Calculate the second order difference in an array over a given dimension. More...

Functions

array diff2 (const array &in, const int dim=0)
 C++ Interface to calculate the second order difference in an array over a given dimension.
 
af_err af_diff2 (af_array *out, const af_array in, const int dim)
 C Interface to calculate the second order difference in an array over a given dimension.
 

Detailed Description

Calculate the second order difference in an array over a given dimension.

This function runs across all batches in the input simultaneously.

Function Documentation

◆ af_diff2()

af_err af_diff2 ( af_array * out,
const af_array in,
const int dim )

C Interface to calculate the second order difference in an array over a given dimension.

Parameters
[out]outsecond order numerical difference
[in]ininput array
[in]dimdimension along which the difference occurs
Returns
AF_SUCCESS, if function returns successfully, else an af_err code is given

◆ diff2()

array diff2 ( const array & in,
const int dim = 0 )

C++ Interface to calculate the second order difference in an array over a given dimension.

Parameters
[in]ininput array
[in]dimdimension along which the difference occurs, 0 denotes the first non-singleton dimension
Returns
second order numerical difference