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repo stringlengths 2 152 ⌀ | file stringlengths 15 239 | code stringlengths 0 58.4M | file_length int64 0 58.4M | avg_line_length float64 0 1.81M | max_line_length int64 0 12.7M | extension_type stringclasses 364
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FMM3D | FMM3D-master/julia/examples/lfmm3dexample.jl | using FMM3D
using Random
using LinearAlgebra
# This is a sample code to demonstrate how to use
# the fmm libraries
#
# sample with one density, sources to sources,
# charge interactions, and potential only
#
n = 2000
nd = 1
sources = rand(3,n)
eps = 10.0^(-5)
charges = rand(n)
vals = lfmm3d(eps,sources,charges=ch... | 601 | 18.419355 | 50 | jl |
FMM3D | FMM3D-master/julia/src/FMM3D.jl | """
module FMM3D
Wrappers for the Flatiron Institute's FMM3D
library.
# wrappers
All N-body codes return output in an
`FMMVals` structure. See documentation
of N-body codes for details.
N-body interactions with the Helmholtz kernel
- [`hfmm3d`](@ref): ``O(N)`` fast mutlipole code
- [`h3ddir`](@ref): ``O(N^2)`... | 66,017 | 30.258523 | 152 | jl |
FMM3D | FMM3D-master/julia/test/runtests.jl | using FMM3D
using Test
using Random
using LinearAlgebra
@testset "testing Helmholtz utilities" begin
n = 1000
nt = 1100
sources = randn(3,n)
targets = randn(3,nt)
charges = randn(n) + im*randn(n)
dipvecs = randn(3,n) + im*randn(3,n)
zk = 2.1
vals1c = h3ddir(zk,sources,targets,charges=... | 11,336 | 38.63986 | 112 | jl |
FMM3D | FMM3D-master/matlab/em3ddir.m | function [U] = em3ddir(zk,srcinfo,targ,ifE,ifcurlE,ifdivE)
%
%
% This subroutine computes
% E = curl S_{k}[h_current] + S_{k}[e_current] + grad S_{k}[e_charge] -- (1)
% using the vector Helmholtz fmm.
% The subroutine also computes divE, curlE
% with appropriate flags
% Remark: the subroutine uses a stabiliz... | 5,494 | 37.159722 | 322 | m |
FMM3D | FMM3D-master/matlab/emfmm3d.m | function [U] = emfmm3d(eps,zk,srcinfo,targ,ifE,ifcurlE,ifdivE)
%
%
% This subroutine computes
% E = curl S_{k}[h_current] + S_{k}[e_current] + grad S_{k}[e_charge] -- (1)
% using the vector Helmholtz fmm.
% The subroutine also computes divE, curlE
% with appropriate flags
% Remark: the subroutine uses a stab... | 5,546 | 37.79021 | 332 | m |
FMM3D | FMM3D-master/matlab/emfmm3d_example.m |
%
%
disp("This is an example matlab driver for the maxwell fmm");
disp("On output the code prints the field in example1 and, field+curl in example2");
disp(" ");
disp(" ");
%% source to target, magnetic current only, field example
%
clear srcinfo targ ns U eps ifE ifcurlE ifdivE zk;
disp("Example 1: source to sourc... | 1,367 | 20.375 | 93 | m |
FMM3D | FMM3D-master/matlab/fmm3d.c | /* --------------------------------------------------- */
/* Automatically generated by mwrap */
/* --------------------------------------------------- */
/* Code generated by mwrap 1.0 */
/*
Copyright statement for mwrap:
mwrap -- MEX file generation for MATLAB and Octave
Copyright (c) 2007-... | 256,830 | 35.352583 | 534 | c |
FMM3D | FMM3D-master/matlab/fmm3d_legacy.c | /* --------------------------------------------------- */
/* Automatically generated by mwrap */
/* --------------------------------------------------- */
/* Code generated by mwrap 1.0 */
/*
Copyright statement for mwrap:
mwrap -- MEX file generation for MATLAB and Octave
Copyright (c) 2007-... | 95,714 | 33.729681 | 397 | c |
FMM3D | FMM3D-master/matlab/h3ddir.m | function [U] = h3ddir(zk,srcinfo,targ,pgt)
%
%
% This subroutine computes the N-body Helmholtz
% interactions and its gradients in three dimensions where
% the interaction kernel is given by $e^{ikr}/r$
%
% u(x) = \sum_{j=1}^{N} c_{j} \frac{e^{ik\|x-x_{j}\|}}{\|x-x_{j}\|} -
% v_{j} \cdot \nabla \left( \fr... | 5,616 | 42.207692 | 183 | m |
FMM3D | FMM3D-master/matlab/h3dpartdirect.m | function [U]=h3dpartdirect(zk,nsource,source,ifcharge,charge,ifdipole,dipstr,dipvec,ifpot,iffld,ntarg,targ,ifpottarg,iffldtarg)
%HFMM3DPARTDIRECT Helmholtz interactions in R^3, direct evaluation.
%
% Helmholtz FMM in R^3: evaluate all pairwise particle
% interactions (ignoring self-interactions) and interactions with t... | 3,753 | 30.546218 | 249 | m |
FMM3D | FMM3D-master/matlab/hfmm3d.m | function [U,varargout] = hfmm3d(eps,zk,srcinfo,pg,varargin)
%
%
% This subroutine computes the N-body Helmholtz
% interactions and its gradients in three dimensions where
% the interaction kernel is given by $e^{ikr}/r$
%
% u(x) = \sum_{j=1}^{N} c_{j} \frac{e^{ik\|x-x_{j}\|}}{\|x-x_{j}\|} -
% v_{j} \cdot ... | 7,588 | 36.019512 | 393 | m |
FMM3D | FMM3D-master/matlab/hfmm3d_big_example.m | %
%
disp("This is an example matlab driver");
disp("On output the code prints the pot+grad in example1, and computes the error at 10 source locations");
disp(" ");
disp(" ");
%% source to source, charges only, pot+grad example
%
clear srcinfo ns U1 U2 eps pg zk;
disp("Example 1: source to source, charge, pot+grad");... | 769 | 21.647059 | 106 | m |
FMM3D | FMM3D-master/matlab/hfmm3d_example.m | %
%
disp("This is an example matlab driver");
disp("On output the code prints the pot+grad in example1 and, pot+pottarg in example2");
disp(" ");
disp(" ");
%% source to source, charges only, pot+grad example
%
clear srcinfo ns U eps pg zk;
disp("Example 1: source to source, charge, pot+grad");
disp(" ");
disp(" ");... | 1,185 | 17.825397 | 88 | m |
FMM3D | FMM3D-master/matlab/hfmm3dpart.m | function [U]=hfmm3dpart(iprec,zk,nsource,source,ifcharge,charge,ifdipole,dipstr,dipvec,ifpot,iffld,ntarg,targ,ifpottarg,iffldtarg)
%HFMM3DPART Helmholtz particle targ FMM in R^3.
%
% Helmholtz FMM in R^3: evaluate all pairwise particle
% interactions (ignoring self-interactions) and interactions with targs.
%
% [U]=HFM... | 4,842 | 34.350365 | 271 | m |
FMM3D | FMM3D-master/matlab/l3ddir.m | function [U] = l3ddir(srcinfo,targ,pgt)
%
%
% This subroutine computes the N-body Laplace
% interactions and its gradients in three dimensions where
% the interaction kernel is given by $1/r$
%
% u(x) = \sum_{j=1}^{N} c_{j} \frac{1}{\|x-x_{j}\|} -
% v_{j} \cdot \nabla \left( \frac{1}{\|x-x_{j}\|}\right) ... | 6,913 | 46.034014 | 198 | m |
FMM3D | FMM3D-master/matlab/l3dpartdirect.m | function [U]=l3dpartdirect(nsource,source,ifcharge,charge,ifdipole,dipstr,dipvec,ifpot,iffld,ntarg,targ,ifpottarg,iffldtarg)
%LFMM3DPARTDIRECT Laplace interactions in R^3, direct evaluation.
%
% Laplace FMM in R^3: evaluate all pairwise particle
% interactions (ignoring self-interactions) and interactions with targs.
%... | 3,665 | 30.333333 | 239 | m |
FMM3D | FMM3D-master/matlab/lfmm3d.m | function [U,varargout] = lfmm3d(eps,srcinfo,pg,varargin)
%
%
% This subroutine computes the N-body Laplace
% interactions and its gradients in three dimensions where
% the interaction kernel is given by $1/r$
%
% u(x) = \sum_{j=1}^{N} c_{j} \frac{1}{\|x-x_{j}\|} -
% v_{j} \cdot \nabla \left( \frac{1}{\|x-... | 7,733 | 36.004785 | 386 | m |
FMM3D | FMM3D-master/matlab/lfmm3d_big_example.m | %
%
disp("This is an example matlab driver");
disp("On output the code prints the pot+grad in example1, and computes the error at 10 source locations");
disp(" ");
disp(" ");
%% source to source, charges only, pot+grad example
%
clear srcinfo ns U1 U2 eps pg;
disp("Example 1: source to source, charge, pot+grad");
di... | 727 | 21.060606 | 106 | m |
FMM3D | FMM3D-master/matlab/lfmm3d_example.m | %
disp("This is an example matlab driver");
disp("On output the code prints the pot+grad in example1 and, pot+pottarg in example2");
disp(" ");
disp(" ");
%% source to source, charges only, pot+grad example
%
clear srcinfo ns U eps pg;
disp("Example 1: source to source, charge, pot+grad");
disp(" ");
disp(" ");
ns... | 1,081 | 17.338983 | 88 | m |
FMM3D | FMM3D-master/matlab/lfmm3dpart.m | function [U]=lfmm3dpart(iprec,nsource,source,ifcharge,charge,ifdipole,dipstr,dipvec,ifpot,iffld,ntarg,targ,ifpottarg,iffldtarg)
%LFMM3DPART Laplace particle targ FMM in R^3.
%
% Laplace FMM in R^3: evaluate all pairwise particle
% interactions (ignoring self-interactions) and interactions with targs.
%
% [U]=LFMM3DPART... | 4,737 | 33.333333 | 262 | m |
FMM3D | FMM3D-master/matlab/readme.md | This folder contains the MATLAB wrappers, legacy wrappers for FMMLIB3D,
and precompiled mex interfaces for MacOSX and Linux.
We strongly recommend recompiling the mex interfaces (see
https://fmm3d.readthedocs.io/en/latest/install.html for detailed installation
instructions).
Example codes for demonstrating the Hel... | 543 | 40.846154 | 78 | md |
FMM3D | FMM3D-master/matlab/st3ddir.m | function [U] = st3ddir(srcinfo,targ,ifppregtarg)
%
%
% Stokes FMM in R^{3}: evaluate all pairwise particle
% interactions (ignoring self-interactions) and
% interactions with targs.
%
% This routine computes sums of the form
%
% u(x) = sum_m G_{ij}(x,y^{(m)}) sigma^{(m)}_j
% + sum_m T_{ijk}(x,y^{(m)}) mu^{(m... | 5,615 | 39.992701 | 242 | m |
FMM3D | FMM3D-master/matlab/stfmm3d.m | function [U] = stfmm3d(eps,srcinfo,ifppreg,targ,ifppregtarg)
%
%
% Stokes FMM in R^{3}: evaluate all pairwise particle
% interactions (ignoring self-interactions) and
% interactions with targs.
%
% This routine computes sums of the form
%
% u(x) = sum_m G_{ij}(x,y^{(m)}) sigma^{(m)}_j
% + sum_m T_{ijk}(x,y^{... | 6,768 | 41.043478 | 380 | m |
FMM3D | FMM3D-master/matlab/stfmm3d_example.m | disp("This is an example matlab driver for the stokes fmm");
disp("On output the code prints the pot+pre+grad in example1 and, pot+pottarg+pre+pretarg in example2");
disp(" ");
disp(" ");
%% source to source, stokeslet only, pot+pre+grad example
%
clear srcinfo ns U eps pg;
disp("Example 1: source to source, stokesl... | 1,395 | 20.151515 | 104 | m |
FMM3D | FMM3D-master/matlab/test_emfmm3d.m | clear srcinfo
ns = 4000;
srcinfo.sources = rand(3,ns);
srcinfo.e_charge = rand(1,ns)+1i*rand(1,ns);
srcinfo.e_current = rand(3,ns)+1i*rand(3,ns);
srcinfo.h_current = rand(3,ns)+1i*rand(3,ns);
nt = 3999;
targ = rand(3,nt);
eps = 1e-6;
ntests = 6;
ipass = zeros(ntests,1);
errs = zeros(ntests,1);
zk = complex(1.1);
nte... | 3,194 | 30.019417 | 109 | m |
FMM3D | FMM3D-master/matlab/test_hfmm3d.m | clear srcinfo
ns = 4000;
srcinfo.sources = rand(3,ns);
srcinfo.charges = rand(1,ns)+1i*rand(1,ns);
nt = 3999;
targ = rand(3,nt);
eps = 1e-5;
ntests = 36;
ipass = zeros(ntests,1);
errs = zeros(ntests,1);
zk = complex(1.1);
ntest = 10;
stmp = srcinfo.sources(:,1:ntest);
ttmp = targ(:,1:ntest);
% Test sources to s... | 16,727 | 26.695364 | 92 | m |
FMM3D | FMM3D-master/matlab/test_hfmm3dpart_direct.m | %
% Test Helmholtz particle FMMs in R^3
%
zk = complex(1.1);
N = maxNumCompThreads
nsource = 2000;
source = zeros(3,nsource);
idist=1;
if( idist == 1 ),
theta=rand(1,nsource)*pi;
phi=rand(1,nsource)*2*pi;
source(1,:)=.5*cos(phi).*sin(theta);
source(2,:)=.5*sin(phi).*sin(theta);
source(3,:)=.5*cos(theta);
end
if... | 2,442 | 18.388889 | 126 | m |
FMM3D | FMM3D-master/matlab/test_lfmm3d.m | clear srcinfo
ns = 4000;
srcinfo.sources = rand(3,ns);
srcinfo.charges = rand(1,ns);
nt = 3999;
targ = rand(3,nt);
eps = 1e-5;
ntests = 54;
ipass = zeros(ntests,1);
errs = zeros(ntests,1);
ntest = 10;
stmp = srcinfo.sources(:,1:ntest);
ttmp = targ(:,1:ntest);
itest = 1;
% Test sources to sources, charge, pot
pg ... | 29,523 | 26.011894 | 92 | m |
FMM3D | FMM3D-master/matlab/test_lfmm3dpart_direct.m | %
% Test Laplace particle FMMs in R^3
%
nsource = 2000
source = zeros(3,nsource);
idist=1;
if( idist == 1 ),
theta=rand(1,nsource)*pi;
phi=rand(1,nsource)*2*pi;
source(1,:)=.5*cos(phi).*sin(theta);
source(2,:)=.5*sin(phi).*sin(theta);
source(3,:)=.5*cos(theta);
end
if( idist == 2 ),
source(1,:)=rand(1,nsource);
s... | 2,348 | 18.90678 | 123 | m |
FMM3D | FMM3D-master/matlab/test_stfmm3d.m | clear srcinfo
ns = 4000;
srcinfo.sources = rand(3,ns);
srcinfo.stoklet = rand(3,ns);
srcinfo.strslet = rand(3,ns);
srcinfo.strsvec = rand(3,ns);
nt = 3999;
targ = rand(3,nt);
eps = 1e-5;
ntests = 2;
ipass = zeros(ntests,1);
errs = zeros(ntests,1);
ntest = 10;
stmp = srcinfo.sources(:,1:ntest);
ttmp = targ(:,1:ntest... | 2,452 | 28.554217 | 100 | m |
FMM3D | FMM3D-master/python/emfmm3d_example.py | #!/usr/bin/env python
import fmm3dpy as fmm
import numpy as np
#
# This is a sample code to demonstrate how to use
# the fmm libraries
#
#
# Source to target, magnetic current only, output field example
#
n = 20000
nd = 1
sources = np.random.uniform(0,1,(3,n))
nt = 4000
targ = np.random.uniform(0,1,(3,nt))
eps = ... | 925 | 24.027027 | 90 | py |
FMM3D | FMM3D-master/python/hfmm3d_example.py | #!/usr/bin/env python
import fmm3dpy as fmm
import numpy as np
#
# This is a sample code to demonstrate how to use
# the fmm libraries
#
# sample with one density, sources to sources,
# charge interactions, and potential only
#
n = 2000
nd = 1
sources = np.random.uniform(0,1,(3,n))
eps = 10**(-5)
zk = 1.1 + 1j*0... | 828 | 22.027778 | 78 | py |
FMM3D | FMM3D-master/python/lfmm3d_example.py | #!/usr/bin/env python
import fmm3dpy as fmm
import numpy as np
#
# This is a sample code to demonstrate how to use
# the fmm libraries
#
# sample with one density, sources to sources,
# charge interactions, and potential only
#
n = 200000
nd = 1
sources = np.random.uniform(0,1,(3,n))
eps = 10**(-5)
charges = np.... | 719 | 20.176471 | 62 | py |
FMM3D | FMM3D-master/python/readme.md | To install in the system:
pip install -e .
On compilation you can import the package fmm3dpy
which has 2 main subroutines
- hfmm3d: for computing N-body Helmholtz interactions
- lfmm3d: for computing N-body Laplace interactions
Examples for both of these are demonstrated in
``hfmmexample.py`` and ``lfmmexample.py`... | 324 | 20.666667 | 53 | md |
FMM3D | FMM3D-master/python/setup.py | import setuptools
import string
import os
from numpy.distutils.core import setup
from numpy.distutils.core import Extension
from sys import platform
pkg_name = "fmm3dpy"
## TODO: this should be automatically populated using "read directory, or whatever"
## TODO: fix problem with relative location for executable
list... | 3,500 | 32.342857 | 166 | py |
FMM3D | FMM3D-master/python/stfmm3d_example.py | #!/usr/bin/env python
import fmm3dpy as fmm
import numpy as np
#
# This is a sample code to demonstrate how to use
# the fmm libraries
#
# sample with one density, sources to sources,
# stokeslet interactions, and potential+pressure+gradient
#
n = 20000
nd = 1
sources = np.random.uniform(0,1,(3,n))
eps = 10**(-5)... | 895 | 23.216216 | 68 | py |
FMM3D | FMM3D-master/python/fmm3dpy/__init__.py | from .fmm3d import hfmm3d,lfmm3d,emfmm3d,stfmm3d,h3ddir,l3ddir,em3ddir,st3ddir,comperr,Output
| 94 | 46.5 | 93 | py |
FMM3D | FMM3D-master/python/fmm3dpy/fmm3d.py | from . import hfmm3d_fortran as hfmm
from . import lfmm3d_fortran as lfmm
from . import emfmm3d_fortran as emfmm
from . import stfmm3d_fortran as stfmm
import numpy as np
import numpy.linalg as la
class Output():
pot = None
grad = None
hess = None
pottarg = None
gradtarg = None
hesstarg = None... | 55,886 | 43.214399 | 209 | py |
FMM3D | FMM3D-master/python/test/test_hfmm.py | #!/usr/bin/env python
import fmm3dpy as fmm
import numpy as np
import numpy.linalg as la
def main():
test_hfmm()
def test_hfmm():
ntests = 36
testres = np.zeros(ntests)
#
# This is a testing code for making sure all the
# fmm routines are accessible through fmm3d.py
#
n = 2000
... | 18,895 | 31.977312 | 101 | py |
FMM3D | FMM3D-master/python/test/test_lfmm.py | #!/usr/bin/env python
import fmm3dpy as fmm
import numpy as np
import numpy.linalg as la
def main():
test_lfmm()
def test_lfmm():
ntests = 54
testres = np.zeros(ntests)
#
# This is a testing code for making sure all the
# fmm routines are accessible through fmm3d.py
#
n = 2000
... | 27,769 | 31.178447 | 101 | py |
FMM3D | FMM3D-master/src/Common/besseljs3d.f | c
c Computation of spherical Bessel functions via recurrence
c
c**********************************************************************
subroutine besseljs3d(nterms,z,scale,fjs,ifder,fjder)
c**********************************************************************
c
c PURPOSE:
c
c This subroutine evaluates the fi... | 4,508 | 25.523529 | 71 | f |
FMM3D | FMM3D-master/src/Common/cdjseval3d.f | c
c Computation of spherical Bessel functions via recurrence
c
c**********************************************************************
subroutine jfuns3d(ier,nterms,z,scale,fjs,ifder,fjder,
1 lwfjs,iscale,ntop)
implicit none
integer ier,nterms,ifder,lwfjs,ntop,i,ncntr
real *8 scal... | 5,375 | 27.444444 | 75 | f |
FMM3D | FMM3D-master/src/Common/cumsum.f | c Copyright (C) 2020-2021: The Simons Fonudation, Inc., Travis Askham,
c Michael O'Neil, and Felipe Vico.
c
c This file contains the following user callable
c routines:
c
c * cumsum:
c computes the cumulative sum (aka prefix
c sum or scan) of an array of integers. This code
c does some memory managem... | 5,858 | 23.4125 | 70 | f |
FMM3D | FMM3D-master/src/Common/dfft.f | C Extracted from public domain code FFTPACK
C http://www.netlib.org/fftpack/
C
C
C FFTPACK
C
C * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
C
C VERSION 4 APRIL 1985
C
C A PACKAGE OF FORTRAN SUBPROGRAMS FOR THE FAST FOURIER
C TRANSFORM OF... | 95,239 | 30.505127 | 70 | f |
FMM3D | FMM3D-master/src/Common/dlaran.f | C Copyright (c) 1992-2013 The University of Tennessee and The University
C of Tennessee Research Foundation. All rights
C reserved.
C Copyright (c) 2000-2013 The University of California Berkeley. All
C rights reserved.
C Copyright (c) 2006-... | 5,064 | 35.438849 | 73 | f |
FMM3D | FMM3D-master/src/Common/fmmcommon.f | c
c
c a collection of common subroutines used in the fmm
c
c mpalloc - allocate workspace for multipole and local
c expansions
c
c dreorderf - permute a real array with given permutation
c
c dreroderi - pertmute a real array with inverse of
c ... | 20,369 | 26.67663 | 72 | f |
FMM3D | FMM3D-master/src/Common/hkrand.f | c random number generator
c
double precision function hkrand(iseed_hk)
implicit double precision (a-h,o-z)
dimension iseed(4)
data iseed/0,0,0,1/
save
c
if( iseed_hk .ne. 0 ) then
iseed(1)=0
iseed(2)=0
iseed(3)=0
iseed(4)=mod(2*isee... | 407 | 19.4 | 50 | f |
FMM3D | FMM3D-master/src/Common/legeexps.f | c
c This file contains a set of subroutines for the handling
c of Legendre expansions. It contains 19 subroutines that are
c user-callable. Following is a brief description of these
c subroutines.
c
c legeexps - constructs Legendre nodes, and corresponding Gaussian
c weights. Al... | 56,249 | 25.321947 | 78 | f |
FMM3D | FMM3D-master/src/Common/prini.f | c
c
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
c
c this is the end of the debugging code and the beginning of the
c printing subroutines proper
c
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
c
c
c This file contains 18 user-callable su... | 7,081 | 19.707602 | 78 | f |
FMM3D | FMM3D-master/src/Common/pts_tree3d.f | c
c
c
c
c generate level restricted tree based on resolving points
c (Currently only supports, sorting on sources, sorting on
c targets, or sorting on sources and targets)
c
c There is additional functionality to further subdivide
c an existing tree based on resolving a function,
c this functionali... | 41,067 | 28.334286 | 78 | f |
FMM3D | FMM3D-master/src/Common/rotgen.f | c This file contains all the relevant rotation subroutines
c for the 3D code.
c
c
subroutine rotztoy(nd,nterms,mpole,mrotate,rdminus)
c Compute multipole expansions in the new frame of
c reference given by
c z_new <- y_old
c y_new <- x_old
c x_new <- z_old
c
c This is achieved b... | 7,658 | 30.64876 | 72 | f |
FMM3D | FMM3D-master/src/Common/rotproj.f | c
c ROTATION VIA PROJECTION
c
c Multipole expansions for complex-valued functions.
c
c Requires FFT and Associated Legendre Function Libraries.
c
c User-callable routine is rotviaproj.
c The other routines are used internally.
c
c********************************************************************... | 16,053 | 33.976035 | 72 | f |
FMM3D | FMM3D-master/src/Common/rotviarecur.f | c
c ROTATION VIA RECURSION
c good up to order 100 or so.
c
c Multipole expansions for complex-valued functions.
c
c rotviarecur is the user callable routine
c
c rotviarecur3p_init - precompute the coefficients of rotation matrix.
c rotviarecur3p_apply - apply the rotation matrix.
c
c
c... | 21,008 | 29.670073 | 77 | f |
FMM3D | FMM3D-master/src/Common/tree_lr_3d.f | c
c generate level restricted oct tree refined
c to finest level. Features include
c
c radsrc parameter (preventing sources with large radius
c from being pushed to the finest level)
c radexp parameter (preventing exp centers with large radius
c from bei... | 183,572 | 34.350087 | 75 | f |
FMM3D | FMM3D-master/src/Common/tree_routs3d.f | c
c
c common routines for generating and processing
c a level restricted quad tree in 2D
c
c
c
c
subroutine tree_refine_boxes(irefinebox,nboxes,
1 ifirstbox,nbloc,centers,bs,nbctr,nlctr,
2 ilevel,iparent,nchild,ichild)
implicit none
integer nboxes,nbloc,nbctr,nlctr
real *8 ... | 41,303 | 31.018605 | 75 | f |
FMM3D | FMM3D-master/src/Common/yrecursion.f | c
c This file contains a suite of evaluation codes for associated
c Legendre functions with various scalings, arguent types, etc.
c Following is a brief description of the user-callable subroutines.
c (FORTRAN 77 VERSION).
c
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
c Simple... | 97,469 | 27.450088 | 76 | f |
FMM3D | FMM3D-master/src/Helmholtz/h3dcommon.f | c
c
c this file contains some common routines for helmrouts3d
c and helmrouts3d_vec
c
c h3d01: computes h0, h1 (first two spherical Hankel fns.)
c h3dall: computes Hankel functions of all orders and scales them
c
c h3dadd: adds one expansion to another
c
c h3dadd_trunc: adds one expansion ... | 5,517 | 25.657005 | 78 | f |
FMM3D | FMM3D-master/src/Helmholtz/h3dterms.f | c routines for determining length of multipole and
c local expansions based on size of box in wavelengths
c
c-----------------------------------------------------------------------------
c
c h3dterms - determine number of terms in mpole expansions for box
c of size "size" with Helmholtz p... | 3,928 | 25.910959 | 78 | f |
FMM3D | FMM3D-master/src/Helmholtz/h3dtrans.f | c
c This file contains the translation operators for the helmholtz
c 3D FMM
c
c h3dmpmp - shift center of multipole expansion
c h3dmploc - convert multipole expansion to a local expansion
c h3dlocloc - shift center of local expansion
c
C************************************************************... | 26,221 | 31.056235 | 72 | f |
FMM3D | FMM3D-master/src/Helmholtz/helmkernels.f | c This file contains the direct evaluation kernels for Helmholtz FMM
c
c h3ddirectcp: direct calculation of potential for a collection
c of charge sources at a collection of targets
c
c h3ddirectcg: direct calculation of potential and gradient
c for a c... | 20,403 | 29.728916 | 79 | f |
FMM3D | FMM3D-master/src/Helmholtz/helmkernels_dr.f | implicit real *8 (a-h,o-z)
parameter (nd = 1)
parameter (nt = 3)
real *8 ztarg(3,nt),sources(3,10)
complex *16 charge(nd,10),pot(nd,nt),grad(nd,3,nt)
complex *16 hess(nd,6,nt)
complex *16 dipvec(nd,3,10)
complex *16 zk,v1,v2,zfd
complex *16 zfd1,zfd2,zfd3
c
c
... | 10,409 | 32.580645 | 67 | f |
FMM3D | FMM3D-master/src/Helmholtz/helmkernels_fast.f | c This file contains the direct evaluation kernels for Helmholtz FMM
c using the sctl library
c
c h3ddirectcp: direct calculation of potential for a collection
c of charge sources at a collection of targets
c
c h3ddirectcg: direct calculation of potential and gradient
c ... | 23,142 | 32.54058 | 79 | f |
FMM3D | FMM3D-master/src/Helmholtz/helmkernels_hess.f | c This file contains the direct evaluation kernels for Helmholtz FMM
c
c h3ddirectcp: direct calculation of potentials for a collection
c of charge sources at a collection of targets
c
c h3ddirectcg: direct calculation of potentials and gradients
c for ... | 37,532 | 32.185676 | 75 | f |
FMM3D | FMM3D-master/src/Helmholtz/helmrouts3d.f | c
c This file contains the basic subroutines for
c forming and evaluating multipole (partial wave) expansions.
c
c
c Remarks on scaling conventions.
c
c 1) Hankel and Bessel functions are consistently scaled as
c hvec(n)= h_n(z)*scale^(n)
c jvec(n)= j_n(z)/scale^(n)
c
c scal... | 55,345 | 29.326575 | 76 | f |
FMM3D | FMM3D-master/src/Helmholtz/hfmm3d.f | c
c
c Generalized helmholtz FMM in R^3: evaluate all pairwise particle
c interactions (ignoring self-interaction)
c and interactions with targets
c
c We use exp(ikr)/r for the Green's function., without
c the 1/(4\pi ) scaling.
c
c
c--------------------------------------... | 80,883 | 31.680404 | 79 | f |
FMM3D | FMM3D-master/src/Helmholtz/hfmm3d_memest.f | c
c Estimate the memory used by Helmholtz FMM. Note that this is a
c rough estimate which may be off by up to 10% in either direction
c
c
c-----------------------------------------------------------
subroutine hfmm3d_memest(nd,eps,zk,nsource,source,ifcharge,
$ ifdipole,iper,ifpgh,ntarg,targ,ifpghta... | 11,462 | 24.138158 | 72 | f |
FMM3D | FMM3D-master/src/Helmholtz/hfmm3d_mps.f90 | !
!--------------------------------------------------------------------
!
! A fast multi-particle scattering code, based on the code in
! hfmm3d.f of the Flatiron Institute FMM3D library.
!
! Original skeleton code by Manas Rachh, Leslie Greengard, etc.
! FMPS re-write by Mike O'Neil, 2019
! oneil@cims.nyu.edu
!
! The ... | 40,022 | 26.929518 | 77 | f90 |
FMM3D | FMM3D-master/src/Helmholtz/hfmm3d_ndiv.f | c
c
c Generalized helmholtz FMM in R^3: evaluate all pairwise particle
c interactions (ignoring self-interaction)
c and interactions with targets
c
c We use exp(ikr)/r for the Green's function., without
c the 1/(4\pi ) scaling.
c
c
c--------------------------------------... | 14,635 | 27.641879 | 72 | f |
FMM3D | FMM3D-master/src/Helmholtz/hfmm3dwrap.f | c This file contains the Helmholtz FMM wrappers
c
c The Helmholtz FMM evaluates the following potential
c and its gradient
c
c u(x) = \sum_{j=1}^{N} c_{j}e^{ik|x-x_{j}|}/|x-x_{j}|
c - v_{j}.\nabla (e^{ik|x-x_{j}|}/|x-x_{j}|)
c
c Here x_{j} are the source locations, c_{j} are the charge streng... | 44,907 | 25.339003 | 76 | f |
FMM3D | FMM3D-master/src/Helmholtz/hfmm3dwrap_legacy.f | c These file contains the legacy FMM wrappers from the previous version
c of fmmlib3d
c
c
c
c This file contains the main FMM routines and some related
c subroutines for evaluating Helmholtz potentials and fields due to
c point charges and dipoles. (FORTRAN 90 VERSION)
c
c hfmm3dpart - Helmhol... | 20,390 | 28.25538 | 80 | f |
FMM3D | FMM3D-master/src/Helmholtz/hfmm3dwrap_vec.f | c
c This file contains the Helmholtz FMM wrappers
c
c The Helmholtz FMM evaluates the following potential
c and its gradient
c
c u_{l}(x) = \sum_{j=1}^{N} c_{l,j}e^{ik|x-x_{j}|}/|x-x_{j}| -
c v_{l,j}.\nabla (e^{ik|x-x_{j}|/|x-x_{j}|)
c
c Here x_{j} are the source locations, c_{l,j} are the charge s... | 47,714 | 25.851435 | 73 | f |
FMM3D | FMM3D-master/src/Helmholtz/hndiv.f | subroutine hndiv(eps,ns,nt,ifcharge,ifdipole,ifpgh,
1 ifpghtarg,ndiv,idivflag)
c
c
c this subroutine estimates ndiv and idivflag
c based on geometry parameters
c
c TODO: better way to choose ndiv based on boxsize
c
c
implicit none
real *8 eps
integer ns,nt,ifcharge... | 899 | 21.5 | 58 | f |
FMM3D | FMM3D-master/src/Helmholtz/hndiv_fast.f | subroutine hndiv(eps,ns,nt,ifcharge,ifdipole,ifpgh,
1 ifpghtarg,ndiv,idivflag)
c
c
c this subroutine estimates ndiv and idivflag
c based on geometry parameters
c
c
implicit none
real *8 eps
integer ns,nt,ifcharge,ifdipole,ifpgh,ifpghtarg,ndiv
integer idivflag
... | 850 | 21.394737 | 58 | f |
FMM3D | FMM3D-master/src/Helmholtz/hnumfour.f | subroutine hnumfour(eps,zk,nl,nfour)
implicit none
real *8 eps
integer iprec,idomain,nl,nfour(nl),ier
complex *16 zk
call hwts3dgetd(ier,zk,idomain)
cccc print *, "idomain=",idomain
iprec = 0
if(eps.lt.0.5d-2) iprec = 1
if(eps.lt.0.5d-3) iprec = 2
if... | 1,672,304 | 24.020273 | 59 | f |
FMM3D | FMM3D-master/src/Helmholtz/hnumphys.f |
subroutine hnumphys(eps,zk,nl,nphys)
implicit none
real *8 eps
integer iprec,idomain,nl,nphys(nl),ier
complex *16 zk
call hwts3dgetd(ier,zk,idomain)
iprec = 0
if(eps.lt.0.5d-2) iprec = 1
if(eps.lt.0.5d-3) iprec = 2
if(eps.lt.0.5d-6) iprec = 3
if(eps.l... | 1,672,283 | 24.015093 | 59 | f |
FMM3D | FMM3D-master/src/Helmholtz/hpwrouts.f | c
cc plane wave routines for Helmholtz 3D FMM
c
c***********************************************************************
subroutine hrlscini(rlsc,nlambs,rlams,rsc,zk,nterms)
c***********************************************************************
c
c this subroutine computes p_{n,m}(i\sqrt(\lambda^2 -... | 149,216 | 30.447208 | 75 | f |
FMM3D | FMM3D-master/src/Helmholtz/hwts3.f | c
c Plane wave quadrature weights
cc
subroutine hwts3(ier,iprec,rk,cxs,cws,n)
implicit real *8 (a-h,o-z)
real *8 cx(1000),cy(1000)
complex *16 cxs(*),cws(*)
complex *16 rk,ima
dimension xs(10 000), ws(10 000)
data ima/(0.0d0,1.0d0)/
c
c
c This... | 1,493,150 | 36.747775 | 75 | f |
FMM3D | FMM3D-master/src/Helmholtz/hwts3e.f | ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
c
c this is the end of the debugging code and the beginning
c of the exponential representation routines
c
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
c
c
c
c
subroutine hwts3e(ier,eps,rk,cxs,cws,n)
... | 9,099 | 19.449438 | 75 | f |
FMM3D | FMM3D-master/src/Helmholtz/numphysfour.f | c
c number of discretization nodes in tranverse
c direction of plane wave quadratures
c
subroutine numphysfour(iprec,iquad,nl,np,nf)
implicit none
integer iprec,iquad,nl,nf(nl),np(nl)
if(iprec.eq.1) then
if(iquad.eq.12) then
np( 1) = 4
... | 31,874 | 22.912228 | 53 | f |
FMM3D | FMM3D-master/src/Helmholtz/projections.f | c
c
c Subroutine library for shifting via projection
c
C***********************************************************************
subroutine h3drescalemp(nd,nterms,lmp,mpole,
1 radius,zk0,scale,fhs,fhder)
C***********************************************************************
C
C This su... | 16,777 | 30.656604 | 76 | f |
FMM3D | FMM3D-master/src/Helmholtz/quadread.f | c
c read plane wave quadratures from file
c
subroutine lreadall(eps,zk,nquad,cxs,cws,nfour,nphys,lw,ier)
c
cc this subroutine computes lambda quadrature nodes and weights
c for given helmholtz parameter and the number of terms
c per lambda required in fourier and physical domains
c
c ... | 2,995 | 21.526316 | 70 | f |
FMM3D | FMM3D-master/src/Laplace/l3dterms.f | c
c l3dterms - determine number of terms in mpole expansions
c
c l3dterms_list2 - build tables for the number of terms needed
c for all boxes in list 2
c
c l3dterms_list2w - build table for the number of terms needed
c for all boxes in list 2, using worst case error analysis
c
c ... | 14,231 | 21.483412 | 78 | f |
FMM3D | FMM3D-master/src/Laplace/l3dtrans.f | c
c This file contains the translation operator for the Laplacd
c 3D FMM
c
c l3mpmp - shift center of multipole expansion
c l3dmploc - convert multipole expansion to a local expansion
c l3locloc - shift center of local expansion
c
c
C
c
C**************************************************************... | 20,480 | 29.432392 | 72 | f |
FMM3D | FMM3D-master/src/Laplace/lapkernels.f | c This file contains the direct evaluation kernels for Laplace FMM
c
c l3ddirectcp: direct calculation of potential for a collection
c of charge sources to a collection of targets
c
c l3ddirectcg: direct calculation of potential and gradients
c for a collection of ... | 33,661 | 31.523671 | 72 | f |
FMM3D | FMM3D-master/src/Laplace/lapkernels_dr.f | implicit real *8 (a-h,o-z)
parameter (nd = 1)
parameter (nt = 3)
real *8 ztarg(3,nt),sources(3,10)
real *8 charge(nd,10),pot(nd,nt),grad(nd,3,nt)
real *8 hess(nd,6,nt)
real *8 dipvec(nd,3,10)
c
c
c
sources(1,1) = 0.1d0
sources(2,1) = -0.2d0
sources(... | 5,128 | 30.660494 | 67 | f |
FMM3D | FMM3D-master/src/Laplace/lapkernels_fast.f | c This file contains the direct evaluation kernels for Laplace FMM
c using the SCTL library
c
c l3ddirectcp: direct calculation of potential for a collection
c of charge sources to a collection of targets
c
c l3ddirectcg: direct calculation of potential and gradients
c ... | 21,668 | 32.595349 | 72 | f |
FMM3D | FMM3D-master/src/Laplace/laprouts3d.f | c
c this file contains the basic subroutines for
c forming and evaluating multipole expansions.
c
c remarks on scaling conventions.
c
c 1) far field and local expansions are consistently rscaled as
c
c
c m_n^m (scaled) = m_n^m / rscale^(n) so that upon evaluation
c
c ... | 75,959 | 30.233553 | 76 | f |
FMM3D | FMM3D-master/src/Laplace/lfmm3d.f | c
subroutine lfmm3d(nd,eps,nsource,source,ifcharge,
$ charge,ifdipole,dipvec,iper,ifpgh,pot,grad,hess,ntarg,
$ targ,ifpghtarg,pottarg,gradtarg,hesstarg,ier)
c
c Laplace FMM in R^{3}: evaluate all pairwise particle
c interactions (ignoring self-interactions) and interactions
c ... | 90,889 | 33.002993 | 72 | f |
FMM3D | FMM3D-master/src/Laplace/lfmm3d_ndiv.f | c
subroutine lfmm3d_ndiv(nd,eps,nsource,source,ifcharge,
$ charge,ifdipole,dipvec,iper,ifpgh,pot,grad,hess,ntarg,
$ targ,ifpghtarg,pottarg,gradtarg,hesstarg,ndiv,idivflag,
$ ifnear,timeinfo,ier)
c
c Laplace FMM in R^{3}: evaluate all pairwise particle
c interactions (ignorin... | 14,345 | 27.019531 | 71 | f |
FMM3D | FMM3D-master/src/Laplace/lfmm3dwrap.f | c This file contains the Laplace FMM wrappers
c
c The laplace FMM evaluates the following potential
c and its gradient
c
c u(x) = \sum_{j=1}^{N} c_{j}/|x-x_{j}| - v_{j}.\nabla (1/|x-x_{j}|)
c
c Here x_{j} are the source locations, c_{j} are the charge strengths,
c v_{j} are the dipole strengths. We refer t... | 67,875 | 25.977742 | 72 | f |
FMM3D | FMM3D-master/src/Laplace/lfmm3dwrap_legacy.f | c This file contains the legacy FMM wrappers from the previous version
c of fmmlib3d
c
c
c
c This file contains the main FMM routines and some related
c subroutines for evaluating Laplace potentials and fields due to
c point charges and dipoles. (FORTRAN 90 VERSION)
c
c lfmm3dpart - Laplace FM... | 21,353 | 28.576177 | 80 | f |
FMM3D | FMM3D-master/src/Laplace/lfmm3dwrap_vec.f | c
c This file contains the Laplace FMM wrappers
c
c The laplace FMM evaluates the following potential
c and its gradient
c
c u_{l}(x) = \sum_{j=1}^{N} c_{l,j}/|x-x_{j}| -
c v_{l,j}.\nabla (1/|x-x_{j}|)
c
c Here x_{j} are the source locations, c_{l,j} are the charge strengths,
c v_{l,j} are the dip... | 71,527 | 26.973406 | 73 | f |
FMM3D | FMM3D-master/src/Laplace/lndiv.f | subroutine lndiv(eps,ns,nt,ifcharge,ifdipole,ifpgh,
1 ifpghtarg,ndiv,idivflag)
c
c
c this subroutine estimates ndiv and idivflag
c based on geometry parameters
c
c
implicit none
real *8 eps
integer ns,nt,ifcharge,ifdipole,ifpgh,ifpghtarg,ndiv
integer idivflag
... | 845 | 20.15 | 58 | f |
FMM3D | FMM3D-master/src/Laplace/lndiv_fast.f | subroutine lndiv(eps,ns,nt,ifcharge,ifdipole,ifpgh,
1 ifpghtarg,ndiv,idivflag)
c
c
c this subroutine estimates ndiv and idivflag
c based on geometry parameters
c
c
implicit none
real *8 eps
integer ns,nt,ifcharge,ifdipole,ifpgh,ifpghtarg,ndiv
integer idivflag
... | 852 | 20.325 | 58 | f |
FMM3D | FMM3D-master/src/Laplace/lpwrouts.f | c
cc Plane wave routines for Laplace 3D FMM
c-------------------------------------------------------------
subroutine rlscini(rlsc,nlambs,rlams,nterms)
implicit double precision (a-h,o-z)
double precision rlsc(0:nterms,0:nterms,nlambs)
double precision rlams(nlambs),rlampow(0:100)
... | 145,110 | 30.409307 | 75 | f |
FMM3D | FMM3D-master/src/Laplace/lwtsexp_sep1.f | c this file contains plane wave quadrature info
c for sepration by 1
c
subroutine vwts(x,w,n)
implicit real*8 (a-h,o-z)
dimension w(n),x(n)
c
c
c This routine returns a set of Gaussian nodes and weights for
c integrating the functions J0(r*x)*exp(z*x)dx over the range x=0 to
c x=infinity.
... | 140,154 | 35.980211 | 68 | f |
FMM3D | FMM3D-master/src/Laplace/lwtsexp_sep2.f | c
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
c
c This file contains the exponential representation routines for
c Laplace kernels, tables for full double precision accuracy
c
c Tables for separation by 2 case.
c
ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc... | 246,062 | 51.209421 | 80 | f |
FMM3D | FMM3D-master/src/Maxwell/emfmm3d.f90 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!
! This file contains interfaces for the maxwell fmm3d and
! direct calculation. It contains the two subroutines:
!
! emfmm3d - Maxwell fmm3d with nd densities
!
! em3ddirect - Maxwell direct calculation with nd
! densities
!
! (input sources an... | 16,724 | 23.595588 | 80 | f90 |
FMM3D | FMM3D-master/src/Stokes/stfmm3d.f | c
c This file contains the Stokes FMM wrappers
c
c**********************************************************************
c
c We take the following conventions for the Stokes kernels
c
c For a source y and target x, let r_i = x_i-y_i
c and let r = sqrt(r_1^2 + r_2^2 + r_3^2)
c
c The Stokeslet, ... | 16,360 | 34.567391 | 77 | f |
FMM3D | FMM3D-master/src/Stokes/stokkernels.f | c
c This file contains the Stokes direct kernel evaluators
c
c**********************************************************************
c
c We take the following conventions for the Stokes kernels
c
c For a source y and target x, let r_i = x_i-y_i
c and let r = sqrt(r_1^2 + r_2^2 + r_3^2)
c
c The... | 13,002 | 32.599483 | 72 | f |