GDAL
gdalgrid_priv.h
00001 /******************************************************************************
00002  * $Id: gdalgrid_priv.h 29314 2015-06-05 20:21:11Z rouault $
00003  *
00004  * Project:  GDAL Gridding API.
00005  * Purpose:  Prototypes, and definitions for of GDAL scattered data gridder.
00006  * Author:   Even Rouault, <even dot rouault at mines dash paris dot org>
00007  *
00008  ******************************************************************************
00009  * Copyright (c) 2013, Even Rouault <even dot rouault at mines-paris dot org>
00010  *
00011  * Permission is hereby granted, free of charge, to any person obtaining a
00012  * copy of this software and associated documentation files (the "Software"),
00013  * to deal in the Software without restriction, including without limitation
00014  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00015  * and/or sell copies of the Software, and to permit persons to whom the
00016  * Software is furnished to do so, subject to the following conditions:
00017  *
00018  * The above copyright notice and this permission notice shall be included
00019  * in all copies or substantial portions of the Software.
00020  *
00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00022  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00023  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00024  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00025  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00026  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00027  * DEALINGS IN THE SOFTWARE.
00028  ****************************************************************************/
00029 
00030 #include "cpl_error.h"
00031 #include "cpl_quad_tree.h"
00032 
00033 typedef struct
00034 {
00035     const double* padfX;
00036     const double* padfY;
00037 } GDALGridXYArrays;
00038 
00039 typedef struct
00040 {
00041     GDALGridXYArrays* psXYArrays;
00042     int               i;
00043 } GDALGridPoint;
00044 
00045 typedef struct
00046 {
00047     CPLQuadTree* hQuadTree;
00048     double       dfInitialSearchRadius;
00049     const float *pafX;
00050     const float *pafY;
00051     const float *pafZ;
00052 } GDALGridExtraParameters;
00053 
00054 #ifdef HAVE_SSE_AT_COMPILE_TIME
00055 int CPLHaveRuntimeSSE();
00056 
00057 CPLErr
00058 GDALGridInverseDistanceToAPower2NoSmoothingNoSearchSSE(
00059                                         const void *poOptions,
00060                                         GUInt32 nPoints,
00061                                         const double *unused_padfX,
00062                                         const double *unused_padfY,
00063                                         const double *unused_padfZ,
00064                                         double dfXPoint, double dfYPoint,
00065                                         double *pdfValue,
00066                                         void* hExtraParamsIn );
00067 #endif
00068 
00069 #ifdef HAVE_AVX_AT_COMPILE_TIME
00070 int CPLHaveRuntimeAVX();
00071 
00072 CPLErr GDALGridInverseDistanceToAPower2NoSmoothingNoSearchAVX(
00073                                         const void *poOptions,
00074                                         GUInt32 nPoints,
00075                                         const double *unused_padfX,
00076                                         const double *unused_padfY,
00077                                         const double *unused_padfZ,
00078                                         double dfXPoint, double dfYPoint,
00079                                         double *pdfValue,
00080                                         void* hExtraParamsIn );
00081 #endif
00082 
00083 #if defined(__GNUC__) 
00084 #if defined(__x86_64)
00085 #define GCC_CPUID(level, a, b, c, d)            \
00086   __asm__ ("xchgq %%rbx, %q1\n"                 \
00087            "cpuid\n"                            \
00088            "xchgq %%rbx, %q1"                   \
00089        : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \
00090        : "0" (level))
00091 #else
00092 #define GCC_CPUID(level, a, b, c, d)            \
00093   __asm__ ("xchgl %%ebx, %1\n"                  \
00094            "cpuid\n"                            \
00095            "xchgl %%ebx, %1"                    \
00096        : "=a" (a), "=r" (b), "=c" (c), "=d" (d) \
00097        : "0" (level))
00098 #endif
00099 #endif

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