Manpage of TANH
TANH
Section: NEWLIB (3)
Updated: 2005 Feb 23
Index
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NAME
1.29 `tanh', `tanhf'--hyperbolic tangent
SYNOPSIS
#include <math.h>
double tanh(double X);
float tanhf(float X);
DESCRIPTION
`tanh' computes the hyperbolic tangent of the argument X. Angles are
specified in radians.
`tanh(X)' is defined as
sinh(X)/cosh(X)
`tanhf' is identical, save that it takes and returns `float' values.
RETURNS
The hyperbolic tangent of X is returned.
PORTABILITY
`tanh' is ANSI C. `tanhf' is an extension.
SEE ALSO
tanh
is part of the
libm
library.
The full documentation for
libm
is maintained as a Texinfo manual. If
info
and
libm
are properly installed at your site, the command
-
info libm
will give you access to the complete manual.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURNS
-
- PORTABILITY
-
- SEE ALSO
-
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