File: arcosh.f

package info (click to toggle)
scilab 4.0-12
  • links: PTS
  • area: non-free
  • in suites: etch, etch-m68k
  • size: 100,640 kB
  • ctags: 57,333
  • sloc: ansic: 377,889; fortran: 242,862; xml: 179,819; tcl: 42,062; sh: 10,593; ml: 9,441; makefile: 4,377; cpp: 1,354; java: 621; csh: 260; yacc: 247; perl: 130; lex: 126; asm: 72; lisp: 30
file content (27 lines) | stat: -rw-r--r-- 646 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
      double precision function arcosh(x)
c!but
c calcule l'arcosinus hyperbolique d'un double precision
c!liste d'appel
c     double precision function arcosh(x)
c     double precision x
c!
c     Copyright INRIA
      double precision x
      if (x.lt.1.0d+0) go to 10
      arcosh = log(x+sqrt(x*x-1.0d+0))
      return
10    arcosh = 0.0d+0
      return
      end
      double precision function arsinh(x)
c!but
c calcule l'arcsinus hyperbolique d'un double precision
c!liste d'appel
c     double precision function arsinh(x)
c     double precision x
c!
      double precision x
c
      arsinh = log(x+sqrt(x*x+1.0d+0))
      return
      end