| 31 |
integer npoints !fit number of points |
integer npoints !fit number of points |
| 32 |
real dep(npoints),indep(npoints) !dependent and independent variables |
real dep(npoints),indep(npoints) !dependent and independent variables |
| 33 |
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|
| 34 |
real angle(npoints) !angle between the tangent line in the input points and |
c real angle(npoints) !angle between the tangent line in the input points and |
| 35 |
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c ! the independent variable axis |
| 36 |
|
c real residual(npoints) !residuals |
| 37 |
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c real chi !sum of squared residuals |
| 38 |
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c real xc,zc,radius !circle parameters |
| 39 |
|
double precision angle(npoints) !angle between the tangent line in the input points and |
| 40 |
! the independent variable axis |
! the independent variable axis |
| 41 |
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double precision residual(npoints) !residuals EM GCC4.7 |
| 42 |
real residual(npoints) !residuals |
double precision chi !sum of squared residuals EM GCC4.7 |
| 43 |
real chi !sum of squared residuals |
double precision xc,zc,radius !circle parameters EM GCC4.7 |
|
real xc,zc,radius !circle parameters |
|
| 44 |
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|
| 45 |
integer eflag !error flag =1 if the procedure fails |
integer eflag !error flag =1 if the procedure fails |
| 46 |
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|
| 55 |
integer ifail !=-1 if singular matrix error, =0 if not singular |
integer ifail !=-1 if singular matrix error, =0 if not singular |
| 56 |
integer jfail !=0 if determinant can be evaluated, =-1 if determinat is probably too small, =+1 if too large |
integer jfail !=0 if determinant can be evaluated, =-1 if determinat is probably too small, =+1 if too large |
| 57 |
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|
| 58 |
parameter (big=1.e4) !just a number greater than C(npoints,3) |
integer ibig ! EM GCC4.7 |
| 59 |
double precision xxc(big),zzc(big),rrr(big) !centres and radii to be averaged |
c parameter (ibig=1.e4) !just a number greater than C(npoints,3) |
| 60 |
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parameter (ibig=10000) !just a number greater than C(npoints,3) EM GCC 4.7 |
| 61 |
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double precision xxc(ibig),zzc(ibig),rrr(ibig) !centres and radii to be averaged |
| 62 |
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|
| 63 |
double precision tmp1,tmp2,tmp(npoints) !temp variables |
double precision tmp1,tmp2,tmp(npoints) !temp variables |
| 64 |
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| 65 |
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logical DEBUG |
| 66 |
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|
| 67 |
real pigr !3.1415... |
real pigr !3.1415... |
| 68 |
pigr=ACOS(-1.) |
pigr=ACOS(-1.) |
| 69 |
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| 70 |
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|
| 71 |
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DEBUG = .false. |
| 72 |
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if(eflag.eq.1)DEBUG = .true. |
| 73 |
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|
| 74 |
eflag = 0 |
eflag = 0 |
| 75 |
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|
| 76 |
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|
| 147 |
jfail=0 |
jfail=0 |
| 148 |
call DFACT(3,a,3,ir,ifail,deta,jfail) |
call DFACT(3,a,3,ir,ifail,deta,jfail) |
| 149 |
if(ifail.eq.-1) then |
if(ifail.eq.-1) then |
| 150 |
print*,'tricircle: ERROR: singular matrix A:' |
if(DEBUG)then |
| 151 |
do i=1,3 |
print*,'tricircle: ERROR: singular matrix A:' |
| 152 |
print*,(a(i,j),j=1,3) |
do i=1,3 |
| 153 |
enddo |
print*,(a(i,j),j=1,3) |
| 154 |
|
enddo |
| 155 |
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endif |
| 156 |
eflag=1 |
eflag=1 |
| 157 |
endif |
endif |
| 158 |
if(jfail.eq.-1) then |
if(jfail.eq.-1) then |
| 159 |
print* |
if(DEBUG)then |
| 160 |
$ ,'tricircle: ERROR: matrix A: determinant too small?' |
print* |
| 161 |
do i=1,3 |
$ ,'tricircle: ERROR: matrix A: determinant too small?' |
| 162 |
print*,(d(i,j),j=1,3) |
do i=1,3 |
| 163 |
enddo |
print*,(d(i,j),j=1,3) |
| 164 |
|
enddo |
| 165 |
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endif |
| 166 |
eflag=1 |
eflag=1 |
| 167 |
elseif(jfail.eq.1) then |
elseif(jfail.eq.1) then |
| 168 |
print* |
if(DEBUG)then |
| 169 |
|
print* |
| 170 |
$ ,'tricircle: ERROR: matrix A: determinant too large?' |
$ ,'tricircle: ERROR: matrix A: determinant too large?' |
| 171 |
do i=1,3 |
do i=1,3 |
| 172 |
print*,(d(i,j),j=1,3) |
print*,(d(i,j),j=1,3) |
| 173 |
enddo |
enddo |
| 174 |
|
endif |
| 175 |
eflag=1 |
eflag=1 |
| 176 |
endif |
endif |
| 177 |
|
|
| 179 |
jfail=0 |
jfail=0 |
| 180 |
call DFACT(3,d,3,ir,ifail,detd,jfail) |
call DFACT(3,d,3,ir,ifail,detd,jfail) |
| 181 |
if(ifail.eq.-1) then |
if(ifail.eq.-1) then |
| 182 |
print*,'tricircle: ERROR: singular matrix D:' |
if(DEBUG)then |
| 183 |
do i=1,3 |
print*,'tricircle: ERROR: singular matrix D:' |
| 184 |
print*,(d(i,j),j=1,3) |
do i=1,3 |
| 185 |
enddo |
print*,(d(i,j),j=1,3) |
| 186 |
eflag=1 |
enddo |
| 187 |
endif |
endif |
| 188 |
if(jfail.eq.-1) then |
eflag=1 |
| 189 |
print* |
endif |
| 190 |
$ ,'tricircle: ERROR: matrix D: determinant too small?' |
if(jfail.eq.-1) then |
| 191 |
do i=1,3 |
if(DEBUG)then |
| 192 |
print*,(d(i,j),j=1,3) |
print* |
| 193 |
enddo |
$ ,'tricircle: ERROR: matrix D: determinant too small?' |
| 194 |
|
do i=1,3 |
| 195 |
|
print*,(d(i,j),j=1,3) |
| 196 |
|
enddo |
| 197 |
|
endif |
| 198 |
eflag=1 |
eflag=1 |
| 199 |
elseif(jfail.eq.1) then |
elseif(jfail.eq.1) then |
| 200 |
|
if(DEBUG)then |
| 201 |
print* |
print* |
| 202 |
$ ,'tricircle: ERROR: matrix D: determinant too large?' |
$ ,'tricircle: ERROR: matrix D: determinant too large?' |
| 203 |
do i=1,3 |
do i=1,3 |
| 204 |
print*,(d(i,j),j=1,3) |
print*,(d(i,j),j=1,3) |
| 205 |
enddo |
enddo |
| 206 |
|
endif |
| 207 |
eflag=1 |
eflag=1 |
| 208 |
endif |
endif |
| 209 |
|
|
| 211 |
jfail=0 |
jfail=0 |
| 212 |
call DFACT(3,e,3,ir,ifail,dete,jfail) |
call DFACT(3,e,3,ir,ifail,dete,jfail) |
| 213 |
if(ifail.eq.-1) then |
if(ifail.eq.-1) then |
| 214 |
|
if(DEBUG)then |
| 215 |
print*,'tricircle: ERROR: singular matrix E:' |
print*,'tricircle: ERROR: singular matrix E:' |
| 216 |
do i=1,3 |
do i=1,3 |
| 217 |
print*,(e(i,j),j=1,3) |
print*,(e(i,j),j=1,3) |
| 218 |
enddo |
enddo |
| 219 |
|
endif |
| 220 |
eflag=1 |
eflag=1 |
| 221 |
endif |
endif |
| 222 |
if(jfail.eq.-1) then |
if(jfail.eq.-1) then |
| 223 |
|
if(DEBUG)then |
| 224 |
print* |
print* |
| 225 |
$ ,'tricircle: ERROR: matrix E: determinant too small?' |
$ ,'tricircle: ERROR: matrix E: determinant too small?' |
| 226 |
do i=1,3 |
do i=1,3 |
| 227 |
print*,(e(i,j),j=1,3) |
print*,(e(i,j),j=1,3) |
| 228 |
enddo |
enddo |
| 229 |
|
endif |
| 230 |
eflag=1 |
eflag=1 |
| 231 |
elseif(jfail.eq.1) then |
elseif(jfail.eq.1) then |
| 232 |
|
if(DEBUG)then |
| 233 |
print* |
print* |
| 234 |
$ ,'tricircle: ERROR: matrix E: determinant too large?' |
$ ,'tricircle: ERROR: matrix E: determinant too large?' |
| 235 |
do i=1,3 |
do i=1,3 |
| 236 |
print*,(e(i,j),j=1,3) |
print*,(e(i,j),j=1,3) |
| 237 |
enddo |
enddo |
| 238 |
|
endif |
| 239 |
eflag=1 |
eflag=1 |
| 240 |
endif |
endif |
| 241 |
|
|
| 244 |
call DFACT(3,f,3,ir,ifail,detf,jfail) |
call DFACT(3,f,3,ir,ifail,detf,jfail) |
| 245 |
c ifail=-1 !??? |
c ifail=-1 !??? |
| 246 |
if(ifail.eq.-1) then |
if(ifail.eq.-1) then |
| 247 |
|
if(DEBUG)then |
| 248 |
print*,'tricircle: ERROR: singular matrix F:' |
print*,'tricircle: ERROR: singular matrix F:' |
| 249 |
do i=1,3 |
do i=1,3 |
| 250 |
print*,(f(i,j),j=1,3) |
print*,(f(i,j),j=1,3) |
| 251 |
enddo |
enddo |
| 252 |
|
endif |
| 253 |
eflag=1 |
eflag=1 |
| 254 |
endif |
endif |
| 255 |
if(jfail.eq.-1) then |
if(jfail.eq.-1) then |
| 256 |
|
if(DEBUG)then |
| 257 |
print* |
print* |
| 258 |
$ ,'tricircle: ERROR: matrix F: determinant too small?' |
$ ,'tricircle: ERROR: matrix F: determinant too small?' |
| 259 |
do i=1,3 |
do i=1,3 |
| 260 |
print*,(f(i,j),j=1,3) |
print*,(f(i,j),j=1,3) |
| 261 |
enddo |
enddo |
| 262 |
|
endif |
| 263 |
eflag=1 |
eflag=1 |
| 264 |
elseif(jfail.eq.1) then |
elseif(jfail.eq.1) then |
| 265 |
|
if(DEBUG)then |
| 266 |
print* |
print* |
| 267 |
$ ,'tricircle: ERROR: matrix F: determinant too large?' |
$ ,'tricircle: ERROR: matrix F: determinant too large?' |
| 268 |
do i=1,3 |
do i=1,3 |
| 269 |
print*,(f(i,j),j=1,3) |
print*,(f(i,j),j=1,3) |
| 270 |
enddo |
enddo |
| 271 |
|
endif |
| 272 |
eflag=1 |
eflag=1 |
| 273 |
endif |
endif |
| 274 |
|
|