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| TANH(3) | FreeBSD Library Functions Manual | TANH(3) |
NAME
tanh, tanhf,
tanhl —
hyperbolic tangent functions
LIBRARY
Math Library (libm, -lm)SYNOPSIS
#include <math.h>
double
tanh(double
x);
float
tanhf(float
x);
long double
tanhl(long
double x);
DESCRIPTION
Thetanh(), tanhf(), and
tanhl() functions compute the hyperbolic tangent of
x. For a discussion of error due to roundoff, see
math(3).
RETURN VALUES
Thetanh(), tanhf(), and the
tanhl() functions return the hyperbolic tangent value.
SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), ctanh(3), math(3), sin(3), sinh(3), tan(3)STANDARDS
Thetanh() function conforms to ISO/IEC
9899:1990 (“ISO C90”).
| August 17, 2013 | FreeBSD 13.1-RELEASE |
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