TANH
Section: Linux Programmer's Manual (3)
Updated: 2002-07-27
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NAME
tanh, tanhf, tanhl - hyperbolic tangent function
SYNOPSIS
#include <math.h>
double tanh(double x);
float tanhf(float x);
long double tanhl(long double x);
Link with -lm.
DESCRIPTION
The tanh() function returns the hyperbolic tangent of x, which
is defined mathematically as sinh(x) / cosh(x).
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899 (C99).
The float and the long double variants are C99 requirements.
SEE ALSO
acosh(3),
asinh(3),
atanh(3),
cosh(3),
ctanh(3),
sinh(3)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- CONFORMING TO
-
- SEE ALSO
-
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