Query: tanhl
OS: freebsd
Section: 3
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TANH(3) BSD Library Functions Manual TANH(3)NAMEtanh, tanhf, tanhl -- hyperbolic tangent functionsLIBRARYMath Library (libm, -lm)SYNOPSIS#include <math.h> double tanh(double x); float tanhf(float x); long double tanhl(long double x);DESCRIPTIONThe tanh(), tanhf(), and tanhl() functions compute the hyperbolic tangent of x. For a discussion of error due to roundoff, see math(3).RETURN VALUESThe tanh(), tanhf(), and the tanhl() functions return the hyperbolic tangent value.SEE ALSOacos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), ctanh(3), math(3), sin(3), sinh(3), tan(3)STANDARDSThe tanh() function conforms to ISO/IEC 9899:1990 (``ISO C90'').BSDAugust 17, 2013 BSD