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iup-stack/iup/srcmglplot/src/fit.cpp

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/***************************************************************************
* fit.cpp is part of Math Graphic Library
* Copyright (C) 2007-2016 Alexey Balakin <mathgl.abalakin@gmail.ru> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License as *
* published by the Free Software Foundation; either version 3 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <ctype.h>
#include "mgl2/fit.h"
#include "mgl2/prim.h"
#include "mgl2/eval.h"
#include "mgl2/data.h"
#include "mgl2/base.h"
#if MGL_HAVE_GSL
#include <gsl/gsl_multifit_nlin.h>
#include <gsl/gsl_blas.h>
#endif
HMDT MGL_NO_EXPORT mglFormulaCalc(const char *str, const std::vector<mglDataA*> &head);
//-----------------------------------------------------------------------------
int mglFitPnts=100; ///< Number of output points in fitting
char mglFitRes[1024]; ///< Last fitted formula
mreal mglFitChi=NAN; ///< Chi value for last fitted formula
mglData mglFitCovar; ///< Covar matrix for lat fitted formula
//-----------------------------------------------------------------------------
mreal MGL_EXPORT mgl_get_fit_chi() { return mglFitChi; }
mreal MGL_EXPORT mgl_get_fit_chi_() { return mglFitChi; }
//-----------------------------------------------------------------------------
HCDT MGL_EXPORT mgl_get_fit_covar() { return &mglFitCovar; }
uintptr_t MGL_EXPORT mgl_get_fit_covar_() { return (uintptr_t)&mglFitCovar; }
//-----------------------------------------------------------------------------
void MGL_EXPORT mgl_puts_fit(HMGL gr, double x, double y, double z, const char *pre, const char *font, double size)
{
long n = strlen(mglFitRes)+(pre?strlen(pre):0)+1;
char *buf = new char[n];
if(pre) snprintf(buf,n,"%s%s",pre,mglFitRes);
else strncpy(buf,mglFitRes,n);
buf[n-1]=0; mgl_puts(gr,x,y,z,buf,font,size);
delete []buf;
}
void MGL_EXPORT mgl_puts_fit_(uintptr_t* gr, mreal *x, mreal *y, mreal *z, const char *prefix, const char *font, mreal *size, int l, int n)
{
char *s=new char[l+1]; memcpy(s,prefix,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,font,n); d[n]=0;
mgl_puts_fit(_GR_, *x,*y,*z, s, d, *size);
delete []s; delete []d;
}
//-----------------------------------------------------------------------------
/// Structure for keeping data and precompiled fitted formula
struct mglFitData
{
long n; ///< number of points
mglDataA *x,*y,*z; ///< x, y, z values
mreal *a; ///< function values
mreal *s; ///< value dispersions (sigma)
const char *eq; ///< approximation formula
int m; ///< number of variables
const char *var; ///< variables for fitting
};
//-----------------------------------------------------------------------------
#if MGL_HAVE_GSL
int mgl_fit__f (const gsl_vector *x, void *data, gsl_vector *f)
{
mglFitData *fd = (mglFitData *)data;
mglDataV *var = new mglDataV[fd->m];
std::vector<mglDataA*> list;
for(long i=0;i<fd->m;i++)
{ var[i].s=fd->var[i]; var[i].Fill(gsl_vector_get(x,i)); list.push_back(var+i); }
if(fd->x) list.push_back(fd->x);
if(fd->y) list.push_back(fd->y);
if(fd->z) list.push_back(fd->z);
HMDT res = mglFormulaCalc(fd->eq, list);
#pragma omp parallel for
for(long i=0;i<fd->n;i++)
{
mreal aa = fd->a[i], ss = fd->s[i];
if(mgl_isnum(aa) && ss==ss && ss!=0)
gsl_vector_set (f, i, (res->a[i] - aa)/ss);
else gsl_vector_set (f, i, 0);
}
delete []var; mgl_delete_data(res);
return GSL_SUCCESS;
}
//-----------------------------------------------------------------------------
int MGL_NO_EXPORT mgl_fit__df (const gsl_vector * x, void *data, gsl_matrix * J)
{
mglFitData *fd = (mglFitData *)data;
mglDataV *var = new mglDataV[fd->m];
std::vector<mglDataA*> list;
for(long i=0;i<fd->m;i++)
{ var[i].s=fd->var[i]; var[i].Fill(gsl_vector_get(x,i)); list.push_back(var+i); }
if(fd->x) list.push_back(fd->x);
if(fd->y) list.push_back(fd->y);
if(fd->z) list.push_back(fd->z);
HMDT res = mglFormulaCalc(fd->eq, list);
const mreal eps = 1e-5;
for(long j=0;j<fd->m;j++)
{
var[j].Fill(gsl_vector_get(x,j)+eps);
HMDT dif = mglFormulaCalc(fd->eq, list);
var[j].Fill(gsl_vector_get(x,j));
#pragma omp parallel for
for(long i=0;i<fd->n;i++)
{
mreal aa = fd->a[i], ss = fd->s[i];
if(mgl_isnum(aa) && ss==ss && ss!=0)
gsl_matrix_set (J, i, j, (dif->a[i]-res->a[i])/(eps*ss));
else gsl_matrix_set (J, i, j, 0);
}
mgl_delete_data(dif);
}
delete []var; mgl_delete_data(res);
return GSL_SUCCESS;
}
//-----------------------------------------------------------------------------
int MGL_NO_EXPORT mgl_fit__fdf (const gsl_vector * x, void *data, gsl_vector * f, gsl_matrix * J)
{
mglFitData *fd = (mglFitData *)data;
mglDataV *var = new mglDataV[fd->m];
std::vector<mglDataA*> list;
for(long i=0;i<fd->m;i++)
{ var[i].s=fd->var[i]; var[i].Fill(gsl_vector_get(x,i)); list.push_back(var+i); }
if(fd->x) list.push_back(fd->x);
if(fd->y) list.push_back(fd->y);
if(fd->z) list.push_back(fd->z);
HMDT res = mglFormulaCalc(fd->eq, list);
#pragma omp parallel for
for(long i=0;i<fd->n;i++)
{
mreal aa = fd->a[i], ss = fd->s[i];
if(mgl_isnum(aa) && ss==ss && ss!=0)
gsl_vector_set (f, i, (res->a[i] - aa)/ss);
else gsl_vector_set (f, i, 0);
}
const mreal eps = 1e-5;
for(long j=0;j<fd->m;j++)
{
var[j].Fill(gsl_vector_get(x,j)+eps);
HMDT dif = mglFormulaCalc(fd->eq, list);
var[j].Fill(gsl_vector_get(x,j));
#pragma omp parallel for
for(long i=0;i<fd->n;i++)
{
mreal aa = fd->a[i], ss = fd->s[i];
if(mgl_isnum(aa) && ss==ss && ss!=0)
gsl_matrix_set (J, i, j, (dif->a[i]-res->a[i])/(eps*ss));
else gsl_matrix_set (J, i, j, 0);
}
mgl_delete_data(dif);
}
delete []var; mgl_delete_data(res);
return GSL_SUCCESS;
}
#endif
//-----------------------------------------------------------------------------
/// GSL based fitting procedure for formula/arguments specified by string
mreal MGL_NO_EXPORT mgl_fit_base(mglFitData &fd, mreal *ini)
{
#if MGL_HAVE_GSL
register long i,m=fd.m,n=fd.n,iter=0;
if(n<1 || ini==0) return -1;
// setup data
double *x_init = new double[fd.m];
for(i=0;i<m;i++) x_init[i] = ini[i];
// setup fitting
gsl_vector_view vx = gsl_vector_view_array(x_init, m);
const gsl_multifit_fdfsolver_type *T = gsl_multifit_fdfsolver_lmsder;
gsl_multifit_fdfsolver *s = gsl_multifit_fdfsolver_alloc(T, n, m);
gsl_multifit_function_fdf f;
f.f = mgl_fit__f; f.df = mgl_fit__df;
f.fdf = mgl_fit__fdf; f.n = n; f.p = m;
f.params = &fd;
gsl_multifit_fdfsolver_set(s, &f, &vx.vector);
int status; // start fitting
do
{
iter++;
status = gsl_multifit_fdfsolver_iterate(s);
if ( status ) break;
status = gsl_multifit_test_delta (s->dx, s->x, 1e-4, 1e-4 );
}
while ( status == GSL_CONTINUE && iter < 500 );
gsl_matrix *covar = gsl_matrix_alloc(m, m);
#ifdef MGL_HAVE_GSL2
gsl_matrix *J = gsl_matrix_alloc(s->fdf->n, s->fdf->p);
gsl_multifit_fdfsolver_jac(s, J);
gsl_multifit_covar (J, 0.0, covar);
gsl_matrix_free (J);
#else
gsl_multifit_covar(s->J, 0.0, covar);
#endif
mglFitCovar.Set(covar);
gsl_matrix_free(covar);
mreal res = gsl_blas_dnrm2(s->f);
for(i=0;i<m;i++) ini[i] = gsl_vector_get(s->x, i);
// free memory
gsl_multifit_fdfsolver_free(s);
delete []x_init;
return res;
#else
return 0.0;
#endif
}
//-----------------------------------------------------------------------------
void mglPrepareFitEq(mglBase *gr,mreal chi, const char *eq, const char *var, mreal *par)
{
char buf[32]="";
mglFitChi = chi;
snprintf(mglFitRes,1024,"chi=%g",chi); mglFitRes[1023]=0;
size_t i,k,len=strlen(var);
for(i=0;i<len;i++)
{
snprintf(buf,32,", %c=%g",var[i],par[i]);
buf[31]=0; strcat(mglFitRes,buf);
}
gr->SetWarn(-1,mglFitRes);
memset(mglFitRes, 0, 1024); //mglFitRes[0] = 0;
len=strlen(eq);
for(i=k=0;i<len;i++)
{
const char *c = strchr(var,eq[i]);
if(c && (i==0 || !isalnum(eq[i-1])) && (i==len-1 || !isalnum(eq[i+1])))
{
snprintf(buf,32,"%g",par[c-var]);
buf[31]=0; strcat(mglFitRes+k, buf); k+=strlen(buf);
}
else { mglFitRes[k] = eq[i]; k++; }
}
mglFitRes[k]=0;
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_1(HMGL gr, HCDT y, const char *eq, const char *var, HMDT ini, const char *opt)
{
gr->SaveState(opt);
mglData x(y->GetNx()); x.Fill(gr->Min.x, gr->Max.x);
mglData s(y); s.Fill(1,1);
return mgl_fit_xys(gr,&x,y,&s,eq,var,ini,0);
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_2(HMGL gr, HCDT z, const char *eq, const char *var, HMDT ini, const char *opt)
{
gr->SaveState(opt);
mglData x(z->GetNx()); x.Fill(gr->Min.x, gr->Max.x);
mglData y(z->GetNy()); y.Fill(gr->Min.y, gr->Max.y);
mglData s(z); s.Fill(1,1);
return mgl_fit_xyzs(gr,&x,&y,z,&s,eq,var,ini,0);
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_3(HMGL gr, HCDT a, const char *eq, const char *var, HMDT ini, const char *opt)
{
gr->SaveState(opt);
mglData x(a->GetNx()); x.Fill(gr->Min.x, gr->Max.x);
mglData y(a->GetNy()); y.Fill(gr->Min.y, gr->Max.y);
mglData z(a->GetNz()); z.Fill(gr->Min.z, gr->Max.z);
mglData s(a); s.Fill(1,1);
return mgl_fit_xyzas(gr,&x,&y,&z,a,&s,eq,var,ini,0);
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_xy(HMGL gr, HCDT x, HCDT y, const char *eq, const char *var, HMDT ini, const char *opt)
{
mglData s(y); s.Fill(1,1);
return mgl_fit_xys(gr,x,y,&s,eq,var,ini,opt);
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_xyz(HMGL gr, HCDT x, HCDT y, HCDT z, const char *eq, const char *var, HMDT ini, const char *opt)
{
mglData s(z); s.Fill(1,1);
return mgl_fit_xyzs(gr,x,y,z,&s,eq,var,ini,opt);
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_xyza(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT a, const char *eq, const char *var, HMDT ini, const char *opt)
{
mglData s(a); s.Fill(1,1);
return mgl_fit_xyzas(gr,x,y,z,a,&s,eq,var,ini,opt);
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_ys(HMGL gr, HCDT y, HCDT s, const char *eq, const char *var, HMDT ini, const char *opt)
{
gr->SaveState(opt);
mglData x(y->GetNx()); x.Fill(gr->Min.x, gr->Max.x);
return mgl_fit_xys(gr,&x,y,s,eq,var,ini,0);
}
//-----------------------------------------------------------------------------
void MGL_NO_EXPORT mgl_fill_fit(HMGL gr, mglData &fit, mglData &in, mglFitData &fd, const char *var, long nx, long ny, long nz, long k)
{
mglDataV *vv = new mglDataV[fd.m];
std::vector<mglDataA*> list;
for(long i=0;i<fd.m;i++)
{ vv[i].s=var[i]; vv[i].Fill(in.a[i]); list.push_back(vv+i); }
mglDataV x(nx,ny,nz, gr->Min.x,gr->Max.x,'x'); x.s = L"x"; list.push_back(&x);
mglDataV y(nx,ny,nz, gr->Min.y,gr->Max.y,'y'); y.s = L"y"; list.push_back(&y);
mglDataV z(nx,ny,nz, gr->Min.z,gr->Max.z,'z'); z.s = L"z"; list.push_back(&z);
HMDT res = mglFormulaCalc(fd.eq, list);
long nn = nx*ny*nz;
memcpy(fit.a+k*nn,res->a,nn*sizeof(mreal));
delete []vv; mgl_delete_data(res);
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_xys(HMGL gr, HCDT xx, HCDT yy, HCDT ss, const char *eq, const char *var, HMDT ini, const char *opt)
{
long m = yy->GetNx();
mreal rr = gr->SaveState(opt);
long nn = (mgl_isnan(rr) || rr<=0) ? mglFitPnts:long(rr+0.5);
if(xx->GetNx()!=m)
{ gr->SetWarn(mglWarnDim,"Fit[S]"); return 0; }
if(m<2)
{ gr->SetWarn(mglWarnLow,"Fit[S]"); return 0; }
if(ss->GetNN() != yy->GetNN())
{ gr->SetWarn(mglWarnDim,"Fit[S]"); return 0; }
if(!var || *var==0)
{ gr->SetWarn(mglWarnNull,"Fit[S]"); return 0; }
mglData x(xx), y(yy), s(ss); x.s=L"x";
long mm = yy->GetNy()*yy->GetNz();
#pragma omp parallel for
for(long i=0;i<m;i++) if(mgl_isnan(x.a[i]))
for(long j=0;j<mm;j++) y.a[i+m*j] = NAN;
mglFitData fd;
fd.n = m; fd.x = &x; fd.y = 0;
fd.z = 0; fd.a = y.a; fd.s = s.a;
fd.eq = eq; fd.var = var; fd.m = strlen(var);
mglData in(fd.m), *fit=new mglData(nn, yy->GetNy(), yy->GetNz());
mreal res=-1;
for(long i=0;i<yy->GetNy()*yy->GetNz();i++)
{
if(ini && ini->nx>=fd.m) in.Set(ini->a,fd.m);
else in.Fill(0.,0);
mglDataR xc(x); xc.SetInd(i%x.ny, L"x");
fd.a = y.a+i*m; fd.x = &xc; //x.a+(i%x.ny)*m;
fd.s = s.a+i*m;
res = mgl_fit_base(fd,in.a);
mgl_fill_fit(gr,*fit,in,fd,var,nn,1,1,i);
if(ini && ini->nx>=fd.m) memcpy(ini->a,in.a,fd.m*sizeof(mreal));
}
mglPrepareFitEq(gr,res,eq,var,in.a);
gr->LoadState(); return fit;
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_xyzs(HMGL gr, HCDT xx, HCDT yy, HCDT zz, HCDT ss, const char *eq, const char *var, HMDT ini, const char *opt)
{
long m=zz->GetNx(),n=zz->GetNy();
mreal rr = gr->SaveState(opt);
long nn = (mgl_isnan(rr) || rr<=0) ? mglFitPnts:long(rr+0.5);
if(xx->GetNx()!=m)
{ gr->SetWarn(mglWarnDim,"Fit[S]"); return 0; }
if(ss->GetNN() != zz->GetNN())
{ gr->SetWarn(mglWarnDim,"Fit[S]"); return 0; }
if(yy->GetNx()!=n && (xx->GetNy()!=n || yy->GetNx()!=m || yy->GetNy()!=n))
{ gr->SetWarn(mglWarnDim,"Fit[S]"); return 0; }
if(m<2|| n<2)
{ gr->SetWarn(mglWarnLow,"Fit[S]"); return 0; }
if(!var || *var==0)
{ gr->SetWarn(mglWarnNull,"Fit[S]"); return 0; }
mglData x(m, n), y(m, n), z(zz), s(ss); x.s=L"x"; y.s=L"y";
long nz = zz->GetNz(), mm = n*m;
#pragma omp parallel for collapse(2)
for(long i=0;i<m;i++) for(long j=0;j<n;j++)
{
register long i0 = i+m*j;
x.a[i0] = GetX(xx,i,j,0).x;
y.a[i0] = GetY(yy,i,j,0).x;
if(mgl_isnan(x.a[i0]) || mgl_isnan(y.a[i0]))
for(long k=0;k<nz;k++) z.a[i0+mm*k] = NAN;
}
mglFitData fd;
fd.n = m*n; fd.x = &x; fd.y = &y;
fd.z = 0; fd.a = z.a; fd.s = s.a;
fd.eq = eq; fd.var=var; fd.m = strlen(var);
mglData in(fd.m), *fit=new mglData(nn, nn, zz->GetNz());
mreal res = -1;
for(long i=0;i<nz;i++)
{
if(ini && ini->nx>=fd.m) in.Set(ini->a,fd.m);
else in.Fill(0.,0);
fd.a = z.a+i*m*n; fd.s = s.a+i*m*n;
res = mgl_fit_base(fd,in.a);
mgl_fill_fit(gr,*fit,in,fd,var,nn,nn,1,i);
if(ini && ini->nx>=fd.m) memcpy(ini->a,in.a,fd.m*sizeof(mreal));
}
mglPrepareFitEq(gr,res, eq,var,in.a);
gr->LoadState(); return fit;
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_fit_xyzas(HMGL gr, HCDT xx, HCDT yy, HCDT zz, HCDT aa, HCDT ss, const char *eq, const char *var, HMDT ini, const char *opt)
{
long m=aa->GetNx(), n=aa->GetNy(), l=aa->GetNz(), i = n*m*l;
mreal rr = gr->SaveState(opt);
long nn = (mgl_isnan(rr) || rr<=0) ? mglFitPnts:long(rr+0.5);
if(m<2 || n<2 || l<2)
{ gr->SetWarn(mglWarnLow,"Fit[S]"); return 0; }
if(ss->GetNN() != i)
{ gr->SetWarn(mglWarnDim,"Fit[S]"); return 0; }
bool both = xx->GetNN()==i && yy->GetNN()==i && zz->GetNN()==i;
if(!(both || (xx->GetNx()==m && yy->GetNx()==n && zz->GetNx()==l)))
{ gr->SetWarn(mglWarnDim,"Fit[S]"); return 0; }
if(!var || *var==0)
{ gr->SetWarn(mglWarnNull,"Fit[S]"); return 0; }
mglData x(m,n,l), y(m,n,l), z(m,n,l), a(aa), s(ss);
x.s=L"x"; y.s=L"y"; z.s=L"z";
#pragma omp parallel for collapse(3)
for(long i=0;i<m;i++) for(long j=0;j<n;j++) for(long k=0;k<l;k++)
{
register long i0 = i+m*(j+n*k);
x.a[i0] = GetX(xx,i,j,k).x;
y.a[i0] = GetY(yy,i,j,k).x;
z.a[i0] = GetZ(zz,i,j,k).x;
if(mgl_isnan(x.a[i0]) || mgl_isnan(y.a[i0]) || mgl_isnan(z.a[i0])) a.a[i0] = NAN;
}
mglFitData fd;
fd.n = m*n*l; fd.x = &x; fd.y = &y;
fd.z = &z; fd.a = a.a; fd.s = s.a;
fd.eq = eq; fd.var=var; fd.m = strlen(var);
mglData in(fd.m), *fit=new mglData(nn, nn, nn);
mreal res = -1;
if(ini && ini->nx>=fd.m) in.Set(ini->a,fd.m);
else in.Fill(0.,0);
res = mgl_fit_base(fd,in.a);
mgl_fill_fit(gr,*fit,in,fd,var,nn,nn,nn,0);
if(ini && ini->nx>=fd.m) memcpy(ini->a,in.a,fd.m*sizeof(mreal));
mglPrepareFitEq(gr,res, eq,var,in.a);
gr->LoadState(); return fit;
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_hist_x(HMGL gr, HCDT x, HCDT a, const char *opt)
{
long nn=a->GetNN();
if(nn!=x->GetNN())
{ gr->SetWarn(mglWarnDim,"Hist"); return 0; }
mreal rr = gr->SaveState(opt);
long n = (mgl_isnan(rr) || rr<=0) ? mglFitPnts:long(rr+0.5);
mglData *res = new mglData(n);
mreal vx = n/(gr->Max.x-gr->Min.x);
for(long i=0;i<nn;i++)
{
register long j1 = long((x->vthr(i)-gr->Min.x)*vx);
if(j1>=0 && j1<n) res->a[j1] += a->vthr(i);
}
gr->LoadState(); return res;
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_hist_xy(HMGL gr, HCDT x, HCDT y, HCDT a, const char *opt)
{
long nn=a->GetNN();
if(nn!=x->GetNN() || nn!=y->GetNN())
{ gr->SetWarn(mglWarnDim,"Hist"); return 0; }
mreal rr = gr->SaveState(opt);
long n = (mgl_isnan(rr) || rr<=0) ? mglFitPnts:long(rr+0.5);
mglData *res = new mglData(n, n);
mreal vx = n/(gr->Max.x-gr->Min.x);
mreal vy = n/(gr->Max.y-gr->Min.y);
for(long i=0;i<nn;i++)
{
register long j1 = long((x->vthr(i)-gr->Min.x)*vx);
register long j2 = long((y->vthr(i)-gr->Min.y)*vy);
if(j1>=0 && j1<n && j2>=0 && j2<n) res->a[j1+n*j2] += a->vthr(i);
}
gr->LoadState(); return res;
}
//-----------------------------------------------------------------------------
HMDT MGL_EXPORT mgl_hist_xyz(HMGL gr, HCDT x, HCDT y, HCDT z, HCDT a, const char *opt)
{
long nn=a->GetNN();
if(nn!=x->GetNN() || nn!=y->GetNN() || nn!=z->GetNN())
{ gr->SetWarn(mglWarnDim,"Hist"); return 0; }
mreal rr = gr->SaveState(opt);
long n = (mgl_isnan(rr) || rr<=0) ? mglFitPnts:long(rr+0.5);
mglData *res = new mglData(n, n, n);
mreal vx = n/(gr->Max.x-gr->Min.x), vy = n/(gr->Max.y-gr->Min.y), vz = n/(gr->Max.z-gr->Min.z);
for(long i=0;i<nn;i++)
{
register long j1 = long((x->vthr(i)-gr->Min.x)*vx);
register long j2 = long((y->vthr(i)-gr->Min.y)*vy);
register long j3 = long((z->vthr(i)-gr->Min.z)*vz);
if(j1>=0 && j1<n && j2>=0 && j2<n && j3>=0 && j3<n)
res->a[j1+n*(j2+n*j3)] += a->vthr(i);
}
gr->LoadState(); return res;
}
//-----------------------------------------------------------------------------
uintptr_t MGL_EXPORT mgl_hist_x_(uintptr_t* gr, uintptr_t* x, uintptr_t* a, const char *opt, int lo)
{ char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_hist_x(_GR_, _DA_(x), _DA_(a), o);
delete []o; return r; }
uintptr_t MGL_EXPORT mgl_hist_xy_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* a, const char *opt, int lo)
{ char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_hist_xy(_GR_, _DA_(x), _DA_(y), _DA_(a), o);
delete []o; return r; }
uintptr_t MGL_EXPORT mgl_hist_xyz_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, uintptr_t* a, const char *opt, int lo)
{ char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_hist_xyz(_GR_, _DA_(x), _DA_(y), _DA_(z), _DA_(a), o);
delete []o; return r; }
//-----------------------------------------------------------------------------
MGL_EXPORT const char *mgl_get_fit(HMGL ) { return mglFitRes; }
int MGL_EXPORT mgl_get_fit_(uintptr_t *gr, char *out, int len)
{
const char *res = mgl_get_fit(_GR_);
if(out) strncpy(out,res,len);
return strlen(res);
}
//-----------------------------------------------------------------------------
uintptr_t MGL_EXPORT mgl_fit_1_(uintptr_t* gr, uintptr_t* y, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_1(_GR_, _DA_(y), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_2_(uintptr_t* gr, uintptr_t* z, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_2(_GR_, _DA_(z), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_3_(uintptr_t* gr, uintptr_t* a, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_3(_GR_, _DA_(a), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_xy_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_xy(_GR_, _DA_(x), _DA_(y), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_xyz_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_xyz(_GR_, _DA_(x), _DA_(y), _DA_(z), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_xyza_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, uintptr_t* a, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_xyza(_GR_, _DA_(x), _DA_(y), _DA_(z), _DA_(a), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_ys_(uintptr_t* gr, uintptr_t* y, uintptr_t* ss, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_ys(_GR_, _DA_(y), _DA_(ss), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_xys_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* ss, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_xys(_GR_, _DA_(x), _DA_(y), _DA_(ss), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_xyzs_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, uintptr_t* ss, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_xyzs(_GR_, _DA_(x), _DA_(y), _DA_(z), _DA_(ss), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
uintptr_t MGL_EXPORT mgl_fit_xyzas_(uintptr_t* gr, uintptr_t* x, uintptr_t* y, uintptr_t* z, uintptr_t* a, uintptr_t* ss, const char *eq, const char *var, uintptr_t *ini, const char *opt, int l, int n, int lo)
{
char *s=new char[l+1]; memcpy(s,eq,l); s[l]=0;
char *d=new char[n+1]; memcpy(d,var,n); d[n]=0;
char *o=new char[lo+1]; memcpy(o,opt,lo); o[lo]=0;
uintptr_t r = (uintptr_t)mgl_fit_xyzas(_GR_, _DA_(x), _DA_(y), _DA_(z), _DA_(a), _DA_(ss), s, d, _DM_(ini), o);
delete []o; delete []s; delete []d; return r;
}
//-----------------------------------------------------------------------------
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