Intel® Integrated Performance Primitives (Intel® IPP) Developer Guide and Reference
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ResizeSetMode
Sets the rounding mode for resize functions
Syntax
IppStatus ippiResizeSetMode(IppHintAlgorithm hint, IppiResizeSpec* pSpec
Include Files
ippi.h
Parameters
| hint | Rounding mode for processing Ipp8u data. Possible values are: 
 | ||||
| pSpec | Pointer to the specification structure for the resize filter. | 
Description
This function sets the roundMode for the resize algorithm.
If you provide the hint parameter with the ippAlgHintFast value, a faster but less accurate mode will be used. In this case, output pixel values can differ from the exact result by 1. If you choose ippAlgHintAccurate, a more accurate but slower mode will be used and all output pixel values will be exact.
Before using this function, initialize the specification structure using the initialization function for a required interpolation method.
Return Values
| ippStsNoErr | Indicates no error. | 
| ippStsNullPtrErr | Indicates an error when one of the specified pointers is NULL. | 
| ippStsAccurateModeNotSupported | Indicates an error when the rounding mode is not supported for the selected data type. The rounding result can be inexact. |