GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
CentOS 5.1 |
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coshl(3) |
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cosh, coshf, coshl − hyperbolic cosine function
#include <math.h>
double
cosh(double x);
float coshf(float x);
long double coshl(long double x);
Link with −lm.
The cosh() function returns the hyperbolic cosine of x, which is defined mathematically as (exp(x) + exp(−x)) / 2.
SVr4, POSIX, 4.3BSD, C99. The float and the long double variants are C99 requirements.
acosh(3), asinh(3), atanh(3), ccos(3), sinh(3), tanh(3)
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coshl(3) | |