+++ /dev/null
-/*
-Copyright (C) 1999-2006 Id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
-
-This file is part of GtkRadiant.
-
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant 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 General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-#include <math.h>
-
-static double at,bt,ct;
-#define PYTHAG(a,b) ((at=fabs(a)) > (bt=fabs(b)) ? \
- (ct=bt/at,at*sqrt(1.0+ct*ct)) : (bt ? (ct=at/bt,bt*sqrt(1.0+ct*ct)): 0.0))
-
- static double maxarg1,maxarg2;
-#define MAX(a,b) (maxarg1=(a),maxarg2=(b),(maxarg1) > (maxarg2) ?\
- (maxarg1) : (maxarg2))
-#define SIGN(a,b) ((b) >= 0.0 ? fabs(a) : -fabs(a))
-
-void ntrerror(char *s)
-{
- printf("%s\n",s);
- exit(1);
-}
-
-double *allocVect(int sz)
-{
- double *ret;
-
- ret = calloc(sizeof(double), (size_t)sz);
- return ret;
-}
-
-void freeVect(double *ret)
-{
- free(ret);
-}
-
-double **allocMatrix(int r,int c)
-{
- double **ret;
-
- ret = calloc(sizeof(double), (size_t)(r*c));
- return ret;
-}
-
-void freeMatrix(double **ret,int r)
-{
- free(ret);
-}
-
-void svdcmp(double** a, int m, int n, double* w, double** v)
-{
- int flag,i,its,j,jj,k,l,nm;
- double c,f,h,s,x,y,z;
- double anorm=0.0,g=0.0,scale=0.0;
- double *rv1;
- void nrerror();
-
- if (m < n) ntrerror("SVDCMP: You must augment A with extra zero rows");
- rv1=allocVect(n);
- for (i=1;i<=n;i++) {
- l=i+1;
- rv1[i]=scale*g;
- g=s=scale=0.0;
- if (i <= m) {
- for (k=i;k<=m;k++) scale += fabs(a[k][i]);
- if (scale) {
- for (k=i;k<=m;k++) {
- a[k][i] /= scale;
- s += a[k][i]*a[k][i];
- }
- f=a[i][i];
- g = -SIGN(sqrt(s),f);
- h=f*g-s;
- a[i][i]=f-g;
- if (i != n) {
- for (j=l;j<=n;j++) {
- for (s=0.0,k=i;k<=m;k++) s += a[k][i]*a[k][j];
- f=s/h;
- for (k=i;k<=m;k++) a[k][j] += f*a[k][i];
- }
- }
- for (k=i;k<=m;k++) a[k][i] *= scale;
- }
- }
- w[i]=scale*g;
- g=s=scale=0.0;
- if (i <= m && i != n) {
- for (k=l;k<=n;k++) scale += fabs(a[i][k]);
- if (scale) {
- for (k=l;k<=n;k++) {
- a[i][k] /= scale;
- s += a[i][k]*a[i][k];
- }
- f=a[i][l];
- g = -SIGN(sqrt(s),f);
- h=f*g-s;
- a[i][l]=f-g;
- for (k=l;k<=n;k++) rv1[k]=a[i][k]/h;
- if (i != m) {
- for (j=l;j<=m;j++) {
- for (s=0.0,k=l;k<=n;k++) s += a[j][k]*a[i][k];
- for (k=l;k<=n;k++) a[j][k] += s*rv1[k];
- }
- }
- for (k=l;k<=n;k++) a[i][k] *= scale;
- }
- }
- anorm=MAX(anorm,(fabs(w[i])+fabs(rv1[i])));
- }
- for (i=n;i>=1;i--) {
- if (i < n) {
- if (g) {
- for (j=l;j<=n;j++)
- v[j][i]=(a[i][j]/a[i][l])/g;
- for (j=l;j<=n;j++) {
- for (s=0.0,k=l;k<=n;k++) s += a[i][k]*v[k][j];
- for (k=l;k<=n;k++) v[k][j] += s*v[k][i];
- }
- }
- for (j=l;j<=n;j++) v[i][j]=v[j][i]=0.0;
- }
- v[i][i]=1.0;
- g=rv1[i];
- l=i;
- }
- for (i=n;i>=1;i--) {
- l=i+1;
- g=w[i];
- if (i < n)
- for (j=l;j<=n;j++) a[i][j]=0.0;
- if (g) {
- g=1.0/g;
- if (i != n) {
- for (j=l;j<=n;j++) {
- for (s=0.0,k=l;k<=m;k++) s += a[k][i]*a[k][j];
- f=(s/a[i][i])*g;
- for (k=i;k<=m;k++) a[k][j] += f*a[k][i];
- }
- }
- for (j=i;j<=m;j++) a[j][i] *= g;
- } else {
- for (j=i;j<=m;j++) a[j][i]=0.0;
- }
- ++a[i][i];
- }
- for (k=n;k>=1;k--) {
- for (its=1;its<=30;its++) {
- flag=1;
- for (l=k;l>=1;l--) {
- nm=l-1;
- if (fabs(rv1[l])+anorm == anorm) {
- flag=0;
- break;
- }
- if (fabs(w[nm])+anorm == anorm) break;
- }
- if (flag) {
- c=0.0;
- s=1.0;
- for (i=l;i<=k;i++) {
- f=s*rv1[i];
- if (fabs(f)+anorm != anorm) {
- g=w[i];
- h=PYTHAG(f,g);
- w[i]=h;
- h=1.0/h;
- c=g*h;
- s=(-f*h);
- for (j=1;j<=m;j++) {
- y=a[j][nm];
- z=a[j][i];
- a[j][nm]=y*c+z*s;
- a[j][i]=z*c-y*s;
- }
- }
- }
- }
- z=w[k];
- if (l == k) {
- if (z < 0.0) {
- w[k] = -z;
- for (j=1;j<=n;j++) v[j][k]=(-v[j][k]);
- }
- break;
- }
- if (its == 30) ntrerror("No convergence in 30 SVDCMP iterations");
- x=w[l];
- nm=k-1;
- y=w[nm];
- g=rv1[nm];
- h=rv1[k];
- f=((y-z)*(y+z)+(g-h)*(g+h))/(2.0*h*y);
- g=PYTHAG(f,1.0);
- f=((x-z)*(x+z)+h*((y/(f+SIGN(g,f)))-h))/x;
- c=s=1.0;
- for (j=l;j<=nm;j++) {
- i=j+1;
- g=rv1[i];
- y=w[i];
- h=s*g;
- g=c*g;
- z=PYTHAG(f,h);
- rv1[j]=z;
- c=f/z;
- s=h/z;
- f=x*c+g*s;
- g=g*c-x*s;
- h=y*s;
- y=y*c;
- for (jj=1;jj<=n;jj++) {
- x=v[jj][j];
- z=v[jj][i];
- v[jj][j]=x*c+z*s;
- v[jj][i]=z*c-x*s;
- }
- z=PYTHAG(f,h);
- w[j]=z;
- if (z) {
- z=1.0/z;
- c=f*z;
- s=h*z;
- }
- f=(c*g)+(s*y);
- x=(c*y)-(s*g);
- for (jj=1;jj<=m;jj++) {
- y=a[jj][j];
- z=a[jj][i];
- a[jj][j]=y*c+z*s;
- a[jj][i]=z*c-y*s;
- }
- }
- rv1[l]=0.0;
- rv1[k]=f;
- w[k]=x;
- }
- }
- freeVect(rv1);
-}
-
-
-
-void svbksb(double** u, double* w, double** v,int m, int n, double* b, double* x)
-{
- int jj,j,i;
- double s,*tmp;
- tmp=allocVect(n);
- for (j=1;j<=n;j++)
- {
- s=0.0;
- if (w[j])
- {
- for (i=1;i<=m;i++)
- s += u[i][j]*b[i];
- s /= w[j];
- }
- tmp[j]=s;
- }
- for (j=1;j<=n;j++)
- {
- s=0.0;
- for (jj=1;jj<=n;jj++)
- s += v[j][jj]*tmp[jj];
- x[j]=s;
- }
- freeVect(tmp);
-}
-
-#undef SIGN
-#undef MAX
-#undef PYTHAG
-
-
-#if 1
-void DOsvd(float *a,float *res,float *comp,float *values,int nframes,int framesize,int compressedsize)
-{
- int usedfs;
- int *remap;
- int i,j;
- double **da;
- double **v;
- double *w;
- int DOFerr;
- float mx;
- int bestat;
-
- if (nframes>framesize)
- usedfs=nframes;
- else
- usedfs=framesize;
-
- da=allocMatrix(usedfs,nframes);
- v=allocMatrix(nframes,nframes);
- w=allocVect(nframes);
-
- DOFerr = 0; //false
- for (i=0;i<nframes;i++)
- {
- for (j=0;j<framesize;j++)
- da[j+1][i+1]=a[i*framesize+j];
- for (;j<usedfs;j++)
- da[j+1][i+1]=0.0;
- }
-
- svdcmp(da,usedfs,nframes,w,v);
-
- remap = calloc(sizeof(int), (size_t)nframes);
-
-
- for (i=0;i<nframes;i++)
- remap[i]=-1;
- for (j=0;j<compressedsize;j++)
- {
- mx=-1.0f;
- for (i=0;i<nframes;i++)
- {
- if (remap[i]<0&&fabs(w[i+1])>mx)
- {
- mx=(float) fabs(w[i+1]);
- bestat=i;
- }
- }
-
- if(mx>0)
- {
- remap[bestat]=j;
- }
- else
- {
- DOFerr = 1; //true
- }
- }
-
- if(DOFerr)
- {
- printf("Warning: To many degrees of freedom! File size may increase\n");
-
- for (i=0;i<compressedsize;i++)
- {
- values[i]=0;
- for (j=0;j<framesize;j++)
- res[i*framesize+j]=0;
- }
- }
-
- for (i=0;i<nframes;i++)
- {
- if (remap[i]<0)
- w[i+1]=0.0;
- else
- {
- values[remap[i]]=(float) w[i+1];
- for (j=0;j<framesize;j++)
- res[remap[i]*framesize+j]=(float) da[j+1][i+1];
- }
- }
- freeVect(w);
- freeMatrix(v,nframes);
- freeMatrix(da,framesize);
- free(remap);
-}
-
-#else
-
-void DOsvd(float *a,float *res,float *comp,float *values,int nframes,int framesize,int compressedsize)
-{
- int *remap;
- int i,j;
- int nrows;
- nrows=nframes;
- if (nrows<framesize)
- nrows=framesize;
- double **da=allocMatrix(nrows,framesize);
- double **v=allocMatrix(framesize,framesize);
- double *w=allocVect(framesize);
- float mx;
- int bestat;
-
- for (j=0;j<framesize;j++)
- {
- for (i=0;i<nframes;i++)
- da[j+1][i+1]=a[i*framesize+j];
- for (;i<nrows;i++)
- da[j+1][i+1]=0.0;
- }
-
- svdcmp(da,nrows,framesize,w,v);
-
- remap=new int[framesize];
-
-
- for (i=0;i<framesize;i++)
- remap[i]=-1;
- for (j=0;j<compressedsize;j++)
- {
- mx=-1.0f;
- for (i=0;i<framesize;i++)
- {
- if (remap[i]<0&&fabs(w[i+1])>mx)
- {
- mx=fabs(w[i+1]);
- bestat=i;
- }
- }
- assert(mx>-.5f);
- remap[bestat]=j;
- }
- // josh **DO NOT** put your dof>nframes mod here
- for (i=0;i<framesize;i++)
- {
- if (remap[i]<0)
- w[i+1]=0.0;
- else
- {
- values[remap[i]]=w[i+1];
- for (j=0;j<framesize;j++)
- res[remap[i]*framesize+j]=v[j+1][i+1];
- }
- }
- freeVect(w);
- freeMatrix(v,framesize);
- freeMatrix(da,nrows);
- delete[] remap;
-}
-
-#endif
-
-void DOsvdPlane(float *pnts,int npnts,float *n,float *base)
-{
- int i,j;
- double **da=allocMatrix(npnts,3);
- double **v=allocMatrix(3,3);
- double *w=allocVect(3);
- float mn=1E30f;
- int bestat;
-
-
- assert(npnts>=3);
- base[0]=pnts[0];
- base[1]=pnts[1];
- base[2]=pnts[2];
- for (i=1;i<npnts;i++)
- {
- for (j=0;j<3;j++)
- base[j]+=pnts[i*3+j];
- }
- base[0]/=(float)(npnts);
- base[1]/=(float)(npnts);
- base[2]/=(float)(npnts);
-
- for (i=0;i<3;i++)
- {
- for (j=0;j<npnts;j++)
- da[j+1][i+1]=pnts[j*3+i]-base[i];
- }
-
- svdcmp(da,npnts,3,w,v);
- for (i=0;i<3;i++)
- {
- if (fabs(w[i+1])<mn)
- {
- mn=(float) fabs(w[i+1]);
- bestat=i;
- }
- }
- n[0]=(float) v[1][bestat+1];
- n[1]=(float) v[2][bestat+1];
- n[2]=(float) v[3][bestat+1];
- freeVect(w);
- freeMatrix(v,3);
- freeMatrix(da,npnts);
-}
projects / voretournament / voretournament.git / blobdiff