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cpp:cmath:cosh [2012/10/12 18:35] |
cpp:cmath:cosh [2024/02/16 01:04] (current) |
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+ | {{keywords>wiki library source code example reference}} | ||
+ | ====== cosh ====== | ||
+ | |||
+ | <code cpp> | ||
+ | double cosh(double); | ||
+ | </code> | ||
+ | calculates the hyperbolic cosine of a number | ||
+ | |||
+ | ===== cpp Sourcecode Example ===== | ||
+ | |||
+ | <code cpp> | ||
+ | #include <iostream> /* including standard library */ | ||
+ | #include <cmath> /* including math library */ | ||
+ | |||
+ | using namespace std; | ||
+ | int main ( void ) | ||
+ | { | ||
+ | double x,res; | ||
+ | x = log(1.3); | ||
+ | res = cosh(x); | ||
+ | |||
+ | //cout.setf(ios::fixed, ios::floatfield); | ||
+ | cout.precision(8); | ||
+ | |||
+ | cout << "The log is " << x << endl; | ||
+ | cout << "the hyperbolic cosine of " << x << " is " << res << endl; | ||
+ | return 0; | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | ==== output ==== | ||
+ | The log is 0.26236426 | ||
+ | the hyperbolic cosine of 0.26236426 is 1.0346154 | ||