Commit 81b5d24e17fc293b8cec1a36d024a68e6e6a4c26

Authored by daniau
1 parent 38581db0c3

git-svn-id: https://lxsd.femto-st.fr/svn/fvn@31 b657c933-2333-4658-acf2-d3c7c2708721

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... ... @@ -295,12 +295,12 @@
295 295  
296 296 \subsection{Identity matrix}
297 297 \begin{verbatim}
298   - I=fvn_ident(n)
  298 + I=fvn_*_ident(n) (*=s,d,c,z)
299 299 \end{verbatim}
300 300 \begin{itemize}
301 301 \item n (in) is an integer equal to the matrix rank
302 302 \end{itemize}
303   -This function return the identity matrix of rank n, in the type of the left hand side.
  303 +This function return the identity matrix of rank n, in the type of the left hand side. No generic interface for this one.
304 304  
305 305  
306 306  
307 307  
308 308  
309 309  
... ... @@ -1225,22 +1225,24 @@
1225 1225 \subsubsection{fac}
1226 1226 \begin{verbatim}
1227 1227 fac(n)
  1228 + dfac(n)
1228 1229 \end{verbatim}
1229 1230 \begin{itemize}
1230 1231 \item n is an integer
1231 1232 \end{itemize}
1232   -This function return $n!$ as a real.
  1233 +This function return $n!$ as a real(4) or real(8) for dfac. There's no generic interface for this one.
1233 1234  
1234 1235 Specific interfaces : \verb'fac,dfac'
1235 1236  
1236 1237 \subsubsection{binom}
1237 1238 \begin{verbatim}
1238 1239 binom(n,m)
  1240 + dbinom(n,m)
1239 1241 \end{verbatim}
1240 1242 \begin{itemize}
1241 1243 \item n,m are integers
1242 1244 \end{itemize}
1243   -This function return the binomial coefficient defined by equation \ref{binom} with $n \geq m \geq 0$.
  1245 +This function return the binomial coefficient defined by equation \ref{binom} with $n \geq m \geq 0$. binom returns a real(4), dbinom a real(8). There's no generic interface for this one.
1244 1246 \begin{equation}
1245 1247 \label{binom}
1246 1248 binom(n,m) = C_n^m = {{n!} \over {m!(n-m)!}}
fvn_fnlib/fvn_fnlib.f90
... ... @@ -235,6 +235,7 @@
235 235 complex(4) :: z
236 236 end function cacosh
237 237 complex(8) function zacosh(z)
  238 + complex(8) :: z
238 239 end function zacosh
239 240 end interface acosh
240 241  
241 242  
242 243  
243 244  
244 245  
... ... @@ -367,25 +368,24 @@
367 368 ! Gamma family
368 369 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
369 370  
  371 +! No generic interface for fac and binom but we still
  372 +! define their prototypes
370 373 ! Factorial
371   -interface fac
  374 +interface
372 375 real(4) function fac(n)
373 376 integer(4) :: n
374 377 end function fac
375 378 real(8) function dfac(n)
376 379 integer(4) :: n
377 380 end function dfac
378   -end interface fac
379   -
380 381 ! Binomial coefficient
381   -interface binom
382 382 real(4) function binom(n,m)
383 383 integer(4) :: n,m
384 384 end function binom
385 385 real(8) function dbinom(n,m)
386 386 integer(4) :: n,m
387 387 end function dbinom
388   -end interface binom
  388 +end interface
389 389  
390 390 ! Gamma function
391 391 interface gamma
... ... @@ -60,10 +60,6 @@
60 60 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
61 61 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
62 62  
63   -! Identity Matrix
64   -interface fvn_ident
65   - module procedure fvn_s_ident,fvn_d_ident,fvn_c_ident,fvn_z_ident
66   -end interface fvn_ident
67 63  
68 64 ! Matrix inversion
69 65 interface fvn_matinv
... ... @@ -277,7 +273,7 @@
277 273 ! status (ou) : =0 if something failed
278 274 !
279 275 implicit none
280   - integer, intent(in), optional :: d
  276 + integer, intent(in) :: d
281 277 double precision, intent(in) :: a(d,d)
282 278 double precision, intent(out) :: inva(d,d)
283 279 integer, intent(out),optional :: status