npps_initialization.h
/* Copyright 2010-2018 NVIDIA Corporation. All rights reserved.
*
* NOTICE TO LICENSEE:
*
* The source code and/or documentation ("Licensed Deliverables") are
* subject to NVIDIA intellectual property rights under U.S. and
* international Copyright laws.
*
* The Licensed Deliverables contained herein are PROPRIETARY and
* CONFIDENTIAL to NVIDIA and are being provided under the terms and
* conditions of a form of NVIDIA software license agreement by and
* between NVIDIA and Licensee ("License Agreement") or electronically
* accepted by Licensee. Notwithstanding any terms or conditions to
* the contrary in the License Agreement, reproduction or disclosure
* of the Licensed Deliverables to any third party without the express
* written consent of NVIDIA is prohibited.
*
* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
* LICENSE AGREEMENT, NVIDIA MAKES NO REPRESENTATION ABOUT THE
* SUITABILITY OF THESE LICENSED DELIVERABLES FOR ANY PURPOSE. THEY ARE
* PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.
* NVIDIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THESE LICENSED
* DELIVERABLES, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
* NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
* NOTWITHSTANDING ANY TERMS OR CONDITIONS TO THE CONTRARY IN THE
* LICENSE AGREEMENT, IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY
* SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THESE LICENSED DELIVERABLES.
*
* U.S. Government End Users. These Licensed Deliverables are a
* "commercial item" as that term is defined at 48 C.F.R. 2.101 (OCT
* 1995), consisting of "commercial computer software" and "commercial
* computer software documentation" as such terms are used in 48
* C.F.R. 12.212 (SEPT 1995) and are provided to the U.S. Government
* only as a commercial end item. Consistent with 48 C.F.R.12.212 and
* 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), all
* U.S. Government End Users acquire the Licensed Deliverables with
* only those rights set forth herein.
*
* Any use of the Licensed Deliverables in individual and commercial
* software must include, in the user documentation and internal
* comments to the code, the above Disclaimer and U.S. Government End
* Users Notice.
*/
#ifndef NV_NPPS_INITIALIZATION_H
#define NV_NPPS_INITIALIZATION_H
#include "nppdefs.h"
#ifdef __cplusplus
extern "C" {
#endif
NppStatus
nppsSet_8u_Ctx(Npp8u nValue, Npp8u * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_8u(Npp8u nValue, Npp8u * pDst, int nLength);
NppStatus
nppsSet_8s_Ctx(Npp8s nValue, Npp8s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_8s(Npp8s nValue, Npp8s * pDst, int nLength);
NppStatus
nppsSet_16u_Ctx(Npp16u nValue, Npp16u * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_16u(Npp16u nValue, Npp16u * pDst, int nLength);
NppStatus
nppsSet_16s_Ctx(Npp16s nValue, Npp16s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_16s(Npp16s nValue, Npp16s * pDst, int nLength);
NppStatus
nppsSet_16sc_Ctx(Npp16sc nValue, Npp16sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_16sc(Npp16sc nValue, Npp16sc * pDst, int nLength);
NppStatus
nppsSet_32u_Ctx(Npp32u nValue, Npp32u * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_32u(Npp32u nValue, Npp32u * pDst, int nLength);
NppStatus
nppsSet_32s_Ctx(Npp32s nValue, Npp32s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_32s(Npp32s nValue, Npp32s * pDst, int nLength);
NppStatus
nppsSet_32sc_Ctx(Npp32sc nValue, Npp32sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_32sc(Npp32sc nValue, Npp32sc * pDst, int nLength);
NppStatus
nppsSet_32f_Ctx(Npp32f nValue, Npp32f * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_32f(Npp32f nValue, Npp32f * pDst, int nLength);
NppStatus
nppsSet_32fc_Ctx(Npp32fc nValue, Npp32fc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_32fc(Npp32fc nValue, Npp32fc * pDst, int nLength);
NppStatus
nppsSet_64s_Ctx(Npp64s nValue, Npp64s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_64s(Npp64s nValue, Npp64s * pDst, int nLength);
NppStatus
nppsSet_64sc_Ctx(Npp64sc nValue, Npp64sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_64sc(Npp64sc nValue, Npp64sc * pDst, int nLength);
NppStatus
nppsSet_64f_Ctx(Npp64f nValue, Npp64f * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_64f(Npp64f nValue, Npp64f * pDst, int nLength);
NppStatus
nppsSet_64fc_Ctx(Npp64fc nValue, Npp64fc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsSet_64fc(Npp64fc nValue, Npp64fc * pDst, int nLength);
NppStatus
nppsZero_8u_Ctx(Npp8u * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_8u(Npp8u * pDst, int nLength);
NppStatus
nppsZero_16s_Ctx(Npp16s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_16s(Npp16s * pDst, int nLength);
NppStatus
nppsZero_16sc_Ctx(Npp16sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_16sc(Npp16sc * pDst, int nLength);
NppStatus
nppsZero_32s_Ctx(Npp32s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_32s(Npp32s * pDst, int nLength);
NppStatus
nppsZero_32sc_Ctx(Npp32sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_32sc(Npp32sc * pDst, int nLength);
NppStatus
nppsZero_32f_Ctx(Npp32f * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_32f(Npp32f * pDst, int nLength);
NppStatus
nppsZero_32fc_Ctx(Npp32fc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_32fc(Npp32fc * pDst, int nLength);
NppStatus
nppsZero_64s_Ctx(Npp64s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_64s(Npp64s * pDst, int nLength);
NppStatus
nppsZero_64sc_Ctx(Npp64sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_64sc(Npp64sc * pDst, int nLength);
NppStatus
nppsZero_64f_Ctx(Npp64f * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_64f(Npp64f * pDst, int nLength);
NppStatus
nppsZero_64fc_Ctx(Npp64fc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsZero_64fc(Npp64fc * pDst, int nLength);
NppStatus
nppsCopy_8u_Ctx(const Npp8u * pSrc, Npp8u * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_8u(const Npp8u * pSrc, Npp8u * pDst, int nLength);
NppStatus
nppsCopy_16s_Ctx(const Npp16s * pSrc, Npp16s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_16s(const Npp16s * pSrc, Npp16s * pDst, int nLength);
NppStatus
nppsCopy_32s_Ctx(const Npp32s * pSrc, Npp32s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_32s(const Npp32s * pSrc, Npp32s * pDst, int nLength);
NppStatus
nppsCopy_32f_Ctx(const Npp32f * pSrc, Npp32f * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_32f(const Npp32f * pSrc, Npp32f * pDst, int nLength);
NppStatus
nppsCopy_64s_Ctx(const Npp64s * pSrc, Npp64s * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_64s(const Npp64s * pSrc, Npp64s * pDst, int nLength);
NppStatus
nppsCopy_16sc_Ctx(const Npp16sc * pSrc, Npp16sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_16sc(const Npp16sc * pSrc, Npp16sc * pDst, int nLength);
NppStatus
nppsCopy_32sc_Ctx(const Npp32sc * pSrc, Npp32sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_32sc(const Npp32sc * pSrc, Npp32sc * pDst, int nLength);
NppStatus
nppsCopy_32fc_Ctx(const Npp32fc * pSrc, Npp32fc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_32fc(const Npp32fc * pSrc, Npp32fc * pDst, int nLength);
NppStatus
nppsCopy_64sc_Ctx(const Npp64sc * pSrc, Npp64sc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_64sc(const Npp64sc * pSrc, Npp64sc * pDst, int nLength);
NppStatus
nppsCopy_64fc_Ctx(const Npp64fc * pSrc, Npp64fc * pDst, int nLength, NppStreamContext nppStreamCtx);
NppStatus
nppsCopy_64fc(const Npp64fc * pSrc, Npp64fc * pDst, int nLength);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* NV_NPPS_INITIALIZATION_H */
nppsSet_64s_Ctx
NppStatus nppsSet_64s_Ctx(Npp64s nValue, Npp64s *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit long long integer, vector set method.
nppsCopy_32f_Ctx
NppStatus nppsCopy_32f_Ctx(const Npp32f *pSrc, Npp32f *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit float, vector copy method.
nppsSet_16s
NppStatus nppsSet_16s(Npp16s nValue, Npp16s *pDst, int nLength)
nppsSet_32sc
NppStatus nppsSet_32sc(Npp32sc nValue, Npp32sc *pDst, int nLength)
nppsZero_16s_Ctx
NppStatus nppsZero_16s_Ctx(Npp16s *pDst, int nLength, NppStreamContext nppStreamCtx)
16-bit integer, vector zero method.
nppsSet_32u_Ctx
NppStatus nppsSet_32u_Ctx(Npp32u nValue, Npp32u *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit unsigned integer, vector set method.
nppsSet_16u_Ctx
NppStatus nppsSet_16u_Ctx(Npp16u nValue, Npp16u *pDst, int nLength, NppStreamContext nppStreamCtx)
16-bit unsigned integer, vector set method.
Npp8u
unsigned char Npp8u
8-bit unsigned chars
Definition: nppdefs.h:298
nppsZero_32s
NppStatus nppsZero_32s(Npp32s *pDst, int nLength)
NPP_ALIGN_8
Complex Number This struct represents an unsigned int complex number.
Definition: nppdefs.h:344
nppsZero_32sc
NppStatus nppsZero_32sc(Npp32sc *pDst, int nLength)
nppsZero_32f
NppStatus nppsZero_32f(Npp32f *pDst, int nLength)
nppsSet_8u_Ctx
NppStatus nppsSet_8u_Ctx(Npp8u nValue, Npp8u *pDst, int nLength, NppStreamContext nppStreamCtx)
8-bit unsigned char, vector set method.
NppStatus
NppStatus
Error Status Codes.
Definition: nppdefs.h:169
nppsZero_32s_Ctx
NppStatus nppsZero_32s_Ctx(Npp32s *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit integer, vector zero method.
nppsZero_64fc
NppStatus nppsZero_64fc(Npp64fc *pDst, int nLength)
NPP_ALIGN_16
Complex Number This struct represents a long long complex number.
Definition: nppdefs.h:374
nppsZero_64f
NppStatus nppsZero_64f(Npp64f *pDst, int nLength)
nppsZero_16s
NppStatus nppsZero_16s(Npp16s *pDst, int nLength)
nppsSet_16sc_Ctx
NppStatus nppsSet_16sc_Ctx(Npp16sc nValue, Npp16sc *pDst, int nLength, NppStreamContext nppStreamCtx)
16-bit integer complex, vector set method.
nppsZero_32sc_Ctx
NppStatus nppsZero_32sc_Ctx(Npp32sc *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit integer complex, vector zero method.
nppsSet_64f_Ctx
NppStatus nppsSet_64f_Ctx(Npp64f nValue, Npp64f *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit double, vector set method.
nppsCopy_64sc
NppStatus nppsCopy_64sc(const Npp64sc *pSrc, Npp64sc *pDst, int nLength)
nppsSet_16u
NppStatus nppsSet_16u(Npp16u nValue, Npp16u *pDst, int nLength)
nppsZero_16sc
NppStatus nppsZero_16sc(Npp16sc *pDst, int nLength)
nppsCopy_32fc
NppStatus nppsCopy_32fc(const Npp32fc *pSrc, Npp32fc *pDst, int nLength)
nppsSet_64sc
NppStatus nppsSet_64sc(Npp64sc nValue, Npp64sc *pDst, int nLength)
nppsZero_64s_Ctx
NppStatus nppsZero_64s_Ctx(Npp64s *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit long long integer, vector zero method.
nppsCopy_16s
NppStatus nppsCopy_16s(const Npp16s *pSrc, Npp16s *pDst, int nLength)
nppsCopy_32sc
NppStatus nppsCopy_32sc(const Npp32sc *pSrc, Npp32sc *pDst, int nLength)
nppsSet_8u
NppStatus nppsSet_8u(Npp8u nValue, Npp8u *pDst, int nLength)
nppsCopy_64fc_Ctx
NppStatus nppsCopy_64fc_Ctx(const Npp64fc *pSrc, Npp64fc *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit complex double, vector copy method.
Npp64s
long long Npp64s
64-bit signed integers
Definition: nppdefs.h:305
nppsZero_8u_Ctx
NppStatus nppsZero_8u_Ctx(Npp8u *pDst, int nLength, NppStreamContext nppStreamCtx)
8-bit unsigned char, vector zero method.
nppsSet_32s_Ctx
NppStatus nppsSet_32s_Ctx(Npp32s nValue, Npp32s *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit signed integer, vector set method.
nppsCopy_8u
NppStatus nppsCopy_8u(const Npp8u *pSrc, Npp8u *pDst, int nLength)
Npp32s
int Npp32s
32-bit signed integers
Definition: nppdefs.h:303
nppsZero_64sc
NppStatus nppsZero_64sc(Npp64sc *pDst, int nLength)
nppsSet_8s_Ctx
NppStatus nppsSet_8s_Ctx(Npp8s nValue, Npp8s *pDst, int nLength, NppStreamContext nppStreamCtx)
8-bit signed char, vector set method.
nppsSet_64fc_Ctx
NppStatus nppsSet_64fc_Ctx(Npp64fc nValue, Npp64fc *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit double complex, vector set method.
nppsCopy_32fc_Ctx
NppStatus nppsCopy_32fc_Ctx(const Npp32fc *pSrc, Npp32fc *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit complex float, vector copy method.
nppsSet_32fc
NppStatus nppsSet_32fc(Npp32fc nValue, Npp32fc *pDst, int nLength)
nppsCopy_8u_Ctx
NppStatus nppsCopy_8u_Ctx(const Npp8u *pSrc, Npp8u *pDst, int nLength, NppStreamContext nppStreamCtx)
8-bit unsigned char, vector copy method
nppsCopy_32sc_Ctx
NppStatus nppsCopy_32sc_Ctx(const Npp32sc *pSrc, Npp32sc *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit complex signed integer, vector copy method.
nppsSet_64sc_Ctx
NppStatus nppsSet_64sc_Ctx(Npp64sc nValue, Npp64sc *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit long long integer complex, vector set method.
Npp16sc
Npp16sc
Definition: nppdefs.h:338
nppsCopy_16s_Ctx
NppStatus nppsCopy_16s_Ctx(const Npp16s *pSrc, Npp16s *pDst, int nLength, NppStreamContext nppStreamCtx)
16-bit signed short, vector copy method.
nppsSet_32s
NppStatus nppsSet_32s(Npp32s nValue, Npp32s *pDst, int nLength)
Npp16u
unsigned short Npp16u
16-bit unsigned integers
Definition: nppdefs.h:300
nppsSet_32sc_Ctx
NppStatus nppsSet_32sc_Ctx(Npp32sc nValue, Npp32sc *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit integer complex, vector set method.
NppStreamContext
NPP stream context structure must be filled in by application.
Definition: nppdefs.h:640
nppsZero_16sc_Ctx
NppStatus nppsZero_16sc_Ctx(Npp16sc *pDst, int nLength, NppStreamContext nppStreamCtx)
16-bit integer complex, vector zero method.
nppsSet_32fc_Ctx
NppStatus nppsSet_32fc_Ctx(Npp32fc nValue, Npp32fc *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit float complex, vector set method.
nppsZero_64s
NppStatus nppsZero_64s(Npp64s *pDst, int nLength)
nppsCopy_32s
NppStatus nppsCopy_32s(const Npp32s *pSrc, Npp32s *pDst, int nLength)
nppsCopy_16sc_Ctx
NppStatus nppsCopy_16sc_Ctx(const Npp16sc *pSrc, Npp16sc *pDst, int nLength, NppStreamContext nppStreamCtx)
16-bit complex short, vector copy method.
nppsCopy_32f
NppStatus nppsCopy_32f(const Npp32f *pSrc, Npp32f *pDst, int nLength)
nppsZero_32fc
NppStatus nppsZero_32fc(Npp32fc *pDst, int nLength)
nppsSet_32u
NppStatus nppsSet_32u(Npp32u nValue, Npp32u *pDst, int nLength)
Npp16s
short Npp16s
16-bit signed integers
Definition: nppdefs.h:301
Npp32u
unsigned int Npp32u
32-bit unsigned integers
Definition: nppdefs.h:302
Npp8s
signed char Npp8s
8-bit signed chars
Definition: nppdefs.h:299
nppsSet_16s_Ctx
NppStatus nppsSet_16s_Ctx(Npp16s nValue, Npp16s *pDst, int nLength, NppStreamContext nppStreamCtx)
16-bit signed integer, vector set method.
Npp64f
double Npp64f
64-bit floating-point numbers
Definition: nppdefs.h:307
nppsSet_64fc
NppStatus nppsSet_64fc(Npp64fc nValue, Npp64fc *pDst, int nLength)
nppsSet_64s
NppStatus nppsSet_64s(Npp64s nValue, Npp64s *pDst, int nLength)
Npp32f
float Npp32f
32-bit (IEEE) floating-point numbers
Definition: nppdefs.h:306
nppsZero_8u
NppStatus nppsZero_8u(Npp8u *pDst, int nLength)
nppsSet_16sc
NppStatus nppsSet_16sc(Npp16sc nValue, Npp16sc *pDst, int nLength)
nppsZero_64fc_Ctx
NppStatus nppsZero_64fc_Ctx(Npp64fc *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit double complex, vector zero method.
nppsZero_64f_Ctx
NppStatus nppsZero_64f_Ctx(Npp64f *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit double, vector zero method.
nppsCopy_16sc
NppStatus nppsCopy_16sc(const Npp16sc *pSrc, Npp16sc *pDst, int nLength)
nppsSet_64f
NppStatus nppsSet_64f(Npp64f nValue, Npp64f *pDst, int nLength)
nppsZero_64sc_Ctx
NppStatus nppsZero_64sc_Ctx(Npp64sc *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit long long integer complex, vector zero method.
nppsSet_32f_Ctx
NppStatus nppsSet_32f_Ctx(Npp32f nValue, Npp32f *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit float, vector set method.
nppsSet_8s
NppStatus nppsSet_8s(Npp8s nValue, Npp8s *pDst, int nLength)
nppsZero_32f_Ctx
NppStatus nppsZero_32f_Ctx(Npp32f *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit float, vector zero method.
nppsSet_32f
NppStatus nppsSet_32f(Npp32f nValue, Npp32f *pDst, int nLength)
nppsZero_32fc_Ctx
NppStatus nppsZero_32fc_Ctx(Npp32fc *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit float complex, vector zero method.
nppsCopy_64fc
NppStatus nppsCopy_64fc(const Npp64fc *pSrc, Npp64fc *pDst, int nLength)
nppsCopy_32s_Ctx
NppStatus nppsCopy_32s_Ctx(const Npp32s *pSrc, Npp32s *pDst, int nLength, NppStreamContext nppStreamCtx)
32-bit signed integer, vector copy method.
nppsCopy_64s
NppStatus nppsCopy_64s(const Npp64s *pSrc, Npp64s *pDst, int nLength)
nppsCopy_64sc_Ctx
NppStatus nppsCopy_64sc_Ctx(const Npp64sc *pSrc, Npp64sc *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit complex signed integer, vector copy method.
nppsCopy_64s_Ctx
NppStatus nppsCopy_64s_Ctx(const Npp64s *pSrc, Npp64s *pDst, int nLength, NppStreamContext nppStreamCtx)
64-bit signed integer, vector copy method.

Copyright © 2009-2018 NVIDIA Corporation