Developer's Daily | Unix by Example |
main | java | perl | unix | dev directory | web log |
tanh ? hyperbolic tangent function |
#include <math.h> double tanh(double x); |
The tanh() function returns the hyperbolic tangent of x, which is defined mathematically as sinh(x) / cosh(x). |
SVID 3, POSIX, BSD 4.3, ISO 9899 |
acosh(3), asinh(3), atanh(3), cosh(3), sinh(3) |