projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 69561394 | 1 | From Prof. Kahan at UC at Berkeley |
| ae59e04c CL |
2 | .\" Copyright (c) 1985, 1991 Regents of the University of California. |
| 3 | .\" All rights reserved. | |
| f9628029 | 4 | .\" |
| ae59e04c | 5 | .\" %sccs.include.redist.man% |
| f9628029 | 6 | .\" |
| ae59e04c CL |
7 | .\" @(#)asinh.3 6.3 (Berkeley) %G% |
| 8 | .\" | |
| 9 | .Dd | |
| 10 | .Dt ASINH 3 | |
| 11 | .Os BSD 4.3 | |
| 12 | .Sh NAME | |
| 13 | .Nm asinh | |
| 14 | .Nd inverse hyperbolic sine function | |
| 15 | .Sh SYNOPSIS | |
| 16 | .Fd #include <math.h> | |
| 17 | .Ft double | |
| 18 | .Fn asinh "double x" | |
| 19 | .Sh DESCRIPTION | |
| 20 | The | |
| 21 | .Fn asinh | |
| 22 | function computes the inverse hyperbolic sine | |
| 23 | of the real | |
| 24 | argument | |
| 25 | .Ar x . | |
| 26 | For a discussion of error due to roundoff, see | |
| 27 | .Xr math 3 . | |
| 28 | .Sh RETURN VALUES | |
| 29 | The | |
| 30 | .Fn asinh | |
| 31 | function | |
| 32 | returns the inverse hyperbolic sine of | |
| 33 | .Ar x . | |
| 34 | .Sh SEE ALSO | |
| 35 | .Xr acosh 3 , | |
| 36 | .Xr atanh 3 , | |
| 37 | .Xr exp 3 , | |
| 38 | .Xr infnan 3 | |
| 39 | .Xr math 3 , | |
| 40 | .Sh AUTHOR | |
| 41 | .An W. Kahan , | |
| 42 | .An Kwok\-Choi Ng | |
| 43 | .Sh HISTORY | |
| 44 | The | |
| 45 | .Fn asinh | |
| 46 | function appeared in | |
| 47 | .Bx 4.3 . |