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Merge branch 'master' of file:///home/guilhem/Dropbox/gitRoot/CosmoToolbox

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Guilhem Lavaux 2010-09-22 21:26:07 -04:00
commit e9a9d64924
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39
CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 2.6)
project(CosmoToolbox)
option(BUILD_SHARED_LIBS "Build shared libraries." OFF)
find_path(NETCDF_INCLUDE_PATH NAMES netcdf.h)
find_path(GSL_INCLUDE_PATH NAMES gsl/gsl_blas.h)
find_library(NETCDF_LIBRARY netcdf)
find_library(NETCDFCPP_LIBRARY netcdf_c++)
find_library(GSL_LIBRARY gsl)
find_library(GSLCBLAS_LIBRARY gslcblas)
include(FindPackageHandleStandardArgs)
set(NETCDF_FIND_REQUIRED TRUE)
set(GSL_FIND_REQUIRED TRUE)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(NetCDF DEFAULT_MSG NETCDF_LIBRARY NETCDFCPP_LIBRARY NETCDF_INCLUDE_PATH)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GSL DEFAULT_MSG GSL_LIBRARY GSLCBLAS_LIBRARY GSL_INCLUDE_PATH)
# CPACK Configuration
SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "A toolbox for impatient cosmologists")
SET(CPACK_PACKAGE_VENDOR "Guilhem Lavaux")
SET(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENCE_CeCILL_V2")
SET(CPACK_PACKAGE_VERSION_MAJOR "1")
SET(CPACK_PACKAGE_VERSION_MINOR "0")
SET(CPACK_PACKAGE_VERSION_PATCH "0")
SET(CPACK_PACKAGE_INSTALL_DIRECTORY "CosmoToolbox-${GalaxExplorer_VERSION_MAJOR}.${GalaxExplorer_VERSION_MINOR}")
SET(CPACK_STRIP_FILES "lib/libCosmoTool.so")
SET(CPACK_SOURCE_IGNORE_FILES
"/CVS/;/\\\\.git/;/\\\\.svn/;\\\\.swp$;\\\\.#;/#;.*~;cscope.*;/CMakeFiles/;.*\\\\.cmake;Makefile")
add_subdirectory(src)
add_subdirectory(sample)
include(CPack)

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LICENCE_CeCILL_V2 Normal file
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CeCILL FREE SOFTWARE LICENSE AGREEMENT
Notice
This Agreement is a Free Software license agreement that is the result
of discussions between its authors in order to ensure compliance with
the two main principles guiding its drafting:
* firstly, compliance with the principles governing the distribution
of Free Software: access to source code, broad rights granted to
users,
* secondly, the election of a governing law, French law, with which
it is conformant, both as regards the law of torts and
intellectual property law, and the protection that it offers to
both authors and holders of the economic rights over software.
The authors of the CeCILL (for Ce[a] C[nrs] I[nria] L[ogiciel] L[ibre])
license are:
Commissariat à l'Energie Atomique - CEA, a public scientific, technical
and industrial research establishment, having its principal place of
business at 25 rue Leblanc, immeuble Le Ponant D, 75015 Paris, France.
Centre National de la Recherche Scientifique - CNRS, a public scientific
and technological establishment, having its principal place of business
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Institut National de Recherche en Informatique et en Automatique -
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This Agreement may apply to any or all software for which the holder of
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cost of acquiring the source code shall not exceed the cost of
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5.3.3 DISTRIBUTION OF EXTERNAL MODULES
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conditions of this Agreement do not apply to said External Module, that
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The Licensee can include a code that is subject to the provisions of one
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and distribute that entire code under the terms of the same version of
the GNU GPL.
The Licensee can include the Modified or unmodified Software in a code
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Version 2.0 dated 2006-09-05.

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lib/Makefile
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SHLIBS= libCosmoTool.so
SOURCES= loadRamses.cpp yorick.cpp miniargs.cpp fortran.cpp interpolate.cpp load_data.cpp powerSpectrum.cpp octTree.cpp loadGadget.cpp
LIBS= -lnetcdf_c++ -lnetcdf -lgsl -lgslcblas -lm
include config.mk
VPATH=../src
all: $(SHLIBS)
libCosmoTool.so: loadRamses.o yorick.o miniargs.o fortran.o interpolate.o load_data.o powerSpectrum.o octTree.o loadGadget.o
depend: $(SOURCES)
@echo "[DEPENDS] $^"
@$(CC) $(CPPFLAGS) -M -MM $^ > .mydepends
install:
@mkdir -p ../install/lib
@mkdir -p ../install/include/CosmoTool
@echo "Copying libraries"
@cp libCosmoTool.so ../install/lib
@echo "Copying header files"
@cp ../src/*.hpp ../install/include/CosmoTool
@cp ../src/*.tcc ../install/include/CosmoTool
distclean: clean
@rm -f .mydepends
clean:
@rm -f *.o
@rm -f $(PROGS)
.mydepends: depend Makefile config.mk
%.so:
@echo "[LINK SHARED] $@"
@$(CXX) -shared -o $@ $^ $(LDFLAGS) $(LIBS)
%.prog:
@echo "[L] $@"
@$(CXX) -o $@ $^ $(LDFLAGS) $(LIBS)
%.o: %.c
@echo "[C] $< ..."
@$(CC) -c -fPIC -o $@ $< $(CPPFLAGS) $(CFLAGS)
%.o: %.cpp
@echo "[C++] $< ..."
@$(CXX) -c -fPIC -o $@ $< $(CPPFLAGS) $(CXXFLAGS)
include .mydepends

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lib/config.mk
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CC=gcc
CXX=g++
CFLAGS=-ggdb -O0
CXXFLAGS=-ggdb -O0
LDFLAGS=
CPPFLAGS=

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sample/CMakeLists.txt Normal file
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SET(tolink CosmoTool ${GSL_LIBRARY} ${GSLCBLAS_LIBRARY})
include_directories(${CMAKE_SOURCE_DIR}/src)
add_executable(testBQueue testBQueue.cpp)
target_link_libraries(testBQueue ${tolink})
add_executable(testInterpolate testInterpolate.cpp)
target_link_libraries(testInterpolate ${tolink})
add_executable(testSmooth testSmooth.cpp)
target_link_libraries(testSmooth ${tolink})
add_executable(testkd testkd.cpp)
target_link_libraries(testkd ${tolink})
add_executable(testkd2 testkd2.cpp)
target_link_libraries(testkd2 ${tolink})
add_executable(testDelaunay testDelaunay.cpp)
target_link_libraries(testDelaunay ${tolink})

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sample/testBQueue.cpp
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@ -5,7 +5,7 @@ using namespace std;
int main(int argc, char **argv)
{
CosmoTool::BoundedQueue<int,int,100000> bq(4);
CosmoTool::BoundedQueue<int,int> bq(4, 100000.);
for (int i = 10; i >= 0; i--)
{

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sample/testDelaunay.cpp Normal file
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#include <iostream>
#include "dinterpolate.hpp"
#define NX 10
#define NY 10
using namespace std;
using namespace CosmoTool;
typedef DelaunayInterpolate<double,double,2> myTriangle;
int main()
{
myTriangle::CoordType pos[] = { {0,0}, {1,0}, {0,1}, {1, 1} } ;
double vals[] = { 0, 1, 1, 0 };
uint32_t simplex[] = { 0, 1, 2, 3, 1, 2 };
myTriangle t(&pos[0], &vals[0], &simplex[0], 4, 2);
for (uint32_t iy = 0; iy <= NY; iy++) {
for (uint32_t ix = 0; ix <= NX; ix++) {
myTriangle::CoordType inter = { ix *1.0/ NX, iy *1.0/NY };
cout << inter[1] << " " << inter[0] << " " << t.computeValue(inter) << endl;
}
cout << endl;
}
return 0;
}

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sample/testInterpolate.cpp Normal file
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#include <iostream>
#include "interpolate3d.hpp"
using namespace std;
using namespace CosmoTool;
int main()
{
VectorField<float,2> *vectors = new VectorField<float,2>[8];
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
for (int k = 0; k < 2; k++)
{
int idx = i + 2*(j + 2*k);
vectors[idx].vec[0] = i;
vectors[idx].vec[1] = j;
}
GridSampler<VectorField<float,2> > sampler(vectors, 2, 2, 2, 2);
Interpolate3D<GridSampler<VectorField<float,2> > > inter(sampler);
VectorField<float,2> v = inter.get(0.5,0.5,0.5);
VectorField<float,2> v2 = inter.get(1.5,1.5,1.5);
cout << v.vec[0] << " " << v.vec[1] << endl;
cout << v2.vec[0] << " " << v2.vec[1] << endl;
return 0;
}

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sample/testSmooth.cpp Normal file
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#include <iostream>
#include "sphSmooth.hpp"
#include "yorick.hpp"
#include "mykdtree.hpp"
using namespace std;
using namespace CosmoTool;
#define NX 1024
#define ND 2
typedef SPHSmooth<char,ND> MySmooth;
typedef MySmooth::SPHTree MyTree;
typedef MySmooth::SPHNode MyNode;
typedef MySmooth::SPHCell MyCell;
double unit_fun(const char& c)
{
return 1.0;
}
int main()
{
uint32_t Ncells = 10000;
MyCell *cells = new MyCell[Ncells];
for (int i = 0; i < Ncells; i++)
{
cells[i].active = true;
for (int l = 0; l < ND; l++)
cells[i].coord[l] = drand48();
cells[i].val.weight = 0;
}
MyTree tree(cells, Ncells);
MySmooth smooth(&tree, 16);
for (uint32_t iy = 0; iy < NX; iy++)
{
cout << "iy=" << iy << endl;
for (uint32_t ix = 0; ix < NX; ix++)
{
MyTree::coords c = { 1.0*ix/NX, 1.0*iy/NX };
smooth.fetchNeighbours(c);
smooth.addGridSite(c);
}
}
uint32_t dims[] = { NX, NX };
ProgressiveOutput<ComputePrecision> out =
ProgressiveOutput<ComputePrecision>::saveArrayProgressive("out.nc", dims, 2);
for (uint32_t iy = 0; iy < NX; iy++)
{
cout << "iy=" << iy << endl;
for (uint32_t ix = 0; ix < NX; ix++)
{
MyTree::coords c = { 1.0*ix/NX, 1.0*iy/NX };
smooth.fetchNeighbours(c);
out.put(smooth.computeSmoothedValue(c, unit_fun));
}
}
return 0;
}

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src/CMakeLists.txt Normal file
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SET(CosmoTool_SRCS
fortran.cpp
interpolate.cpp
load_data.cpp
loadGadget.cpp
loadRamses.cpp
octTree.cpp
powerSpectrum.cpp
yorick.cpp
miniargs.cpp
)
SET(CosmoTool_SRCS ${CosmoTool_SRCS}
bqueue.hpp
config.hpp
dinterpolate.hpp
field.hpp
fixArray.hpp
fortran.hpp
interpolate3d.hpp
interpolate.hpp
kdtree_leaf.hpp
load_data.hpp
loadGadget.hpp
loadRamses.hpp
loadSimu.hpp
miniargs.hpp
mykdtree.hpp
octTree.hpp
powerSpectrum.hpp
sparseGrid.hpp
sphSmooth.hpp
yorick.hpp
)
add_library(CosmoTool ${CosmoTool_SRCS})
target_link_libraries(CosmoTool ${NETCDF_LIBRARY} ${NETCDFCPP_LIBRARY} ${GSL_LIBRARY} ${GSLCBLAS_LIBRARY})
install(TARGETS CosmoTool
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib)
install(DIRECTORY . DESTINATION include/CosmoTool
FILES_MATCHING PATTERN "*.hpp")
install(DIRECTORY . DESTINATION include/CosmoTool
FILES_MATCHING PATTERN "*.tcc")

169
src/loadGadget.cpp
View File

@ -1,3 +1,4 @@
#include <iostream>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
@ -6,6 +7,7 @@
#include "fortran.hpp"
using namespace CosmoTool;
using namespace std;
PurePositionData *CosmoTool::loadGadgetPosition(const char *fname)
{
@ -93,33 +95,54 @@ SimuData *CosmoTool::loadGadgetMulti(const char *fname, int id, int loadflags)
return 0;
}
f->beginCheckpoint();
for (int i = 0; i < 6; i++)
h.npart[i] = f->readInt32();
for (int i = 0; i < 6; i++)
h.mass[i] = f->readReal64();
data->time = h.time = f->readReal64();
h.redshift = f->readReal64();
h.flag_sfr = f->readInt32();
h.flag_feedback = f->readInt32();
for (int i = 0; i < 6; i++)
h.npartTotal[i] = f->readInt32();
h.flag_cooling = f->readInt32();
h.num_files = f->readInt32();
data->BoxSize = h.BoxSize = f->readReal64();
h.Omega0 = f->readReal64();
h.OmegaLambda = f->readReal64();
h.HubbleParam = f->readReal64();
f->endCheckpoint(true);
long NumPart = 0, NumPartTotal = 0;
for(int k=0; k<5; k++)
try
{
NumPart += h.npart[k];
NumPartTotal += (id < 0) ? h.npart[k] : h.npartTotal[k];
f->beginCheckpoint();
for (int i = 0; i < 6; i++)
h.npart[i] = f->readInt32();
for (int i = 0; i < 6; i++)
h.mass[i] = f->readReal64();
data->time = h.time = f->readReal64();
h.redshift = f->readReal64();
h.flag_sfr = f->readInt32();
h.flag_feedback = f->readInt32();
for (int i = 0; i < 6; i++)
h.npartTotal[i] = f->readInt32();
h.flag_cooling = f->readInt32();
h.num_files = f->readInt32();
data->BoxSize = h.BoxSize = f->readReal64();
h.Omega0 = f->readReal64();
h.OmegaLambda = f->readReal64();
h.HubbleParam = f->readReal64();
f->endCheckpoint(true);
for(int k=0; k<6; k++)
{
NumPart += h.npart[k];
NumPartTotal += (id < 0) ? h.npart[k] : h.npartTotal[k];
}
data->NumPart = NumPart;
data->TotalNumPart = NumPartTotal;
}
catch (const InvalidUnformattedAccess& e)
{
cerr << "Invalid format while reading header" << endl;
delete data;
delete f;
return 0;
}
if (loadflags & NEED_TYPE)
{
int p = 0;
data->type = new int[data->NumPart];
for (int k = 0; k < 6; k++)
for (int n = 0; n < h.npart[k]; n++,p++)
data->type[p] = k;
}
data->NumPart = NumPart;
data->TotalNumPart = NumPartTotal;
if (loadflags & NEED_POSITION) {
@ -130,17 +153,27 @@ SimuData *CosmoTool::loadGadgetMulti(const char *fname, int id, int loadflags)
return 0;
}
}
f->beginCheckpoint();
for(int k = 0, p = 0; k < 5; k++) {
for(int n = 0; n < h.npart[k]; n++) {
data->Pos[0][p] = f->readReal32();
data->Pos[1][p] = f->readReal32();
data->Pos[2][p] = f->readReal32();
p++;
try
{
f->beginCheckpoint();
for(int k = 0, p = 0; k < 6; k++) {
for(int n = 0; n < h.npart[k]; n++) {
data->Pos[0][p] = f->readReal32();
data->Pos[1][p] = f->readReal32();
data->Pos[2][p] = f->readReal32();
p++;
}
}
f->endCheckpoint();
}
catch (const InvalidUnformattedAccess& e)
{
cerr << "Invalid format while reading positions" << endl;
delete f;
delete data;
return 0;
}
}
f->endCheckpoint();
} else {
// Skip positions
@ -153,21 +186,32 @@ SimuData *CosmoTool::loadGadgetMulti(const char *fname, int id, int loadflags)
data->Vel[i] = new float[data->NumPart];
if (data->Vel[i] == 0)
{
delete f;
delete data;
return 0;
}
}
f->beginCheckpoint();
for(int k = 0, p = 0; k < 5; k++) {
for(int n = 0; n < h.npart[k]; n++) {
data->Vel[0][p] = f->readReal32();
data->Vel[1][p] = f->readReal32();
data->Vel[2][p] = f->readReal32();
p++;
try
{
f->beginCheckpoint();
for(int k = 0, p = 0; k < 6; k++) {
for(int n = 0; n < h.npart[k]; n++) {
data->Vel[0][p] = f->readReal32();
data->Vel[1][p] = f->readReal32();
data->Vel[2][p] = f->readReal32();
p++;
}
}
f->endCheckpoint();
}
catch (const InvalidUnformattedAccess& e)
{
cerr << "Invalid format while reading velocities" << endl;
delete f;
delete data;
return 0;
}
}
f->endCheckpoint();
// TODO: FIX THE UNITS OF THESE FUNKY VELOCITIES !!!
} else {
@ -177,23 +221,34 @@ SimuData *CosmoTool::loadGadgetMulti(const char *fname, int id, int loadflags)
// Skip ids
if (loadflags & NEED_GADGET_ID) {
f->beginCheckpoint();
data->Id = new int[data->NumPart];
if (data->Id == 0)
try
{
f->beginCheckpoint();
data->Id = new int[data->NumPart];
if (data->Id == 0)
{
delete f;
delete data;
return 0;
}
for(int k = 0, p = 0; k < 6; k++)
{
for(int n = 0; n < h.npart[k]; n++)
{
data->Id[p] = f->readInt32();
p++;
}
}
f->endCheckpoint();
}
catch (const InvalidUnformattedAccess& e)
{
cerr << "Invalid formatted while reading ID" << endl;
delete f;
delete data;
return 0;
}
for(int k = 0, p = 0; k < 6; k++)
{
for(int n = 0; n < h.npart[k]; n++)
{
data->Id[p] = f->readInt32();
p++;
}
}
f->endCheckpoint();
} else {
f->skip(2*4);
for (int k = 0; k < 6; k++)

174
src/loadRamses.cpp
View File

@ -203,7 +203,7 @@ int readInfoFile(const char *basename, int outputId, InfoData& info)
ostringstream ss_fname;
ss_fname << basename << "/info_" << setfill('0') << setw(5) << outputId << ".txt";
cout << "Opening info file " << ss_fname.str() << endl;
// cout << "Opening info file " << ss_fname.str() << endl;
ifstream infile(ss_fname.str().c_str());
if (!infile)
return 0;
@ -255,6 +255,178 @@ int readInfoFile(const char *basename, int outputId, InfoData& info)
return 1;
}
CosmoTool::SimuData *CosmoTool::loadRamsesSimu(const char *basename, int outputId, int cpuid, int flags)
{
CosmoTool::SimuData *data = new CosmoTool::SimuData();
int id = 1;
uint32_t totPart = 0;
int nCpu = 0;
InfoData info;
static const double CM_IN_MPC = 3.08e24;
if (!readInfoFile(basename, outputId, info))
return 0;
double hubble = info.aexp*info.aexp/info.unit_t / (1e5/CM_IN_MPC);
double L0 = info.boxSize*info.unitLength*hubble/100/CM_IN_MPC/info.aexp;
double unit_vel = L0*hubble/info.aexp;
while (1)
{
ostringstream ss_fname;
ss_fname << basename << "/part_" << setfill('0') << setw(5) << outputId << ".out" << setfill('0') << setw(5) << id;
string fname = ss_fname.str();
try
{
UnformattedRead infile(fname);
int ndim, nPar;
infile.beginCheckpoint();
nCpu = max(1,infile.readInt32());
infile.endCheckpoint();
infile.beginCheckpoint();
ndim = infile.readInt32();
infile.endCheckpoint();
infile.beginCheckpoint();
nPar = infile.readInt32();
infile.endCheckpoint();
totPart += nPar;
id++;
}
catch (const NoSuchFileException& e)
{
break;
}
}
data->BoxSize = L0;
data->time = info.aexp;
data->NumPart = 0;
data->TotalNumPart = totPart;
if (cpuid < 0)
cpuid = 1;
else cpuid++;
uint32_t curPos = 0;
ostringstream ss_fname;
ss_fname << basename << "/part_" << setfill('0') << setw(5) << outputId << ".out" << setfill('0') << setw(5) << cpuid;
string fname = ss_fname.str();
try
{
UnformattedRead infile(fname);
int nCpu, ndim, nPar;
infile.beginCheckpoint();
nCpu = infile.readInt32();
infile.endCheckpoint();
infile.beginCheckpoint();
ndim = infile.readInt32();
infile.endCheckpoint();
infile.beginCheckpoint();
data->NumPart = nPar = infile.readInt32();
infile.endCheckpoint();
if (flags & NEED_POSITION)
{
data->Pos[0] = new float[nPar];
data->Pos[1] = new float[nPar];
data->Pos[2] = new float[nPar];
}
if (flags & NEED_VELOCITY)
{
data->Vel[0] = new float[nPar];
data->Vel[1] = new float[nPar];
data->Vel[2] = new float[nPar];
}
if (flags & NEED_GADGET_ID)
{
data->Id = new int[nPar];
}
for (int k = 0; k < 3; k++)
{
infile.beginCheckpoint();
if (flags & NEED_POSITION)
{
for (uint32_t i = 0; i < nPar; i++)
{
data->Pos[k][i] = infile.readReal32();
data->Pos[k][i] *= data->BoxSize;
}
infile.endCheckpoint();
}
else
infile.endCheckpoint(true);
}
for (int k = 0; k < 3; k++) {
infile.beginCheckpoint();
if (flags & NEED_VELOCITY)
{
for (uint32_t i = 0; i < nPar; i++)
{
data->Vel[k][i] = infile.readReal32();
data->Vel[k][i] *= unit_vel;
}
infile.endCheckpoint();
}
else
infile.endCheckpoint(true);
}
float minMass = INFINITY;
infile.beginCheckpoint();
for (uint32_t i = nPar; i > 0; i--)
{
float dummyF = infile.readReal32();
if (dummyF < minMass) minMass = dummyF;
}
infile.endCheckpoint();
infile.beginCheckpoint();
if (flags & NEED_GADGET_ID)
{
for (uint32_t i = 0; i < nPar; i++)
data->Id[i] = infile.readInt32();
infile.endCheckpoint();
}
else
infile.endCheckpoint(true);
curPos += nPar;
}
catch (const NoSuchFileException& e)
{
cerr << "No such file " << fname << endl;
delete data;
return 0;
}
return data;
}
CosmoTool::PurePositionData *CosmoTool::loadRamsesPosition(const char *basename, int outputId, bool quiet)
{
PurePositionData *gd = (PurePositionData *)malloc(sizeof(PurePositionData));

3
src/loadRamses.hpp
View File

@ -2,6 +2,7 @@
#define _LOAD_RAMSES_HPP
#include "load_data.hpp"
#include "loadSimu.hpp"
namespace CosmoTool {
@ -10,6 +11,8 @@ namespace CosmoTool {
PhaseSpaceData *loadRamsesPhase(const char *fname, int id, bool quiet = false);
PhaseSpaceDataID *loadRamsesPhase1(const char *fname, int id, int cpuid, bool quiet = false);
SimuData *loadRamsesSimu(const char *basename, int id, int cpuid, int flags);
};
#endif

7
src/loadSimu.hpp
View File

@ -7,7 +7,7 @@ namespace CosmoTool
static const int NEED_GADGET_ID = 1;
static const int NEED_POSITION = 2;
static const int NEED_VELOCITY = 4;
static const int NEED_TYPE = 8;
class SimuData
{
@ -20,8 +20,9 @@ namespace CosmoTool
int *Id;
float *Pos[3];
float *Vel[3];
int *type;
public:
SimuData() : Id(0),NumPart(0) { Pos[0]=Pos[1]=Pos[2]=0; Vel[0]=Vel[1]=Vel[2]=0; }
SimuData() : Id(0),NumPart(0),type(0) { Pos[0]=Pos[1]=Pos[2]=0; Vel[0]=Vel[1]=Vel[2]=0; }
~SimuData()
{
for (int j = 0; j < 3; j++)
@ -31,6 +32,8 @@ namespace CosmoTool
if (Vel[j])
delete[] Vel[j];
}
if (type)
delete[] type;
if (Id)
delete[] Id;
}

17
src/octTree.cpp
View File

@ -9,12 +9,27 @@ using namespace CosmoTool;
//#define VERBOSE
static uint32_t mypow(uint32_t i, uint32_t p)
{
if (p == 0)
return 1;
else if (p == 1)
return i;
uint32_t k = p/2;
uint32_t j = mypow(i, k);
if (2*k==p)
return j*j;
else
return j*j*i;
}
OctTree::OctTree(const FCoordinates *particles, octPtr numParticles,
uint32_t maxMeanTreeDepth, uint32_t maxAbsoluteDepth,
uint32_t threshold)
{
cout << "MeanTree=" << maxMeanTreeDepth << endl;
numCells = pow(8, maxMeanTreeDepth);
numCells = mypow(8, maxMeanTreeDepth);
assert(numCells < invalidOctCell);
//#ifdef VERBOSE
cerr << "Allocating " << numCells << " octtree cells" << endl;