This shows you the differences between two versions of the page.
c:math.h:tanh [2013/01/22 22:02] |
c:math.h:tanh [2024/02/16 01:05] (current) |
||
---|---|---|---|
Line 1: | Line 1: | ||
+ | {{keywords>wiki library source code example reference}} | ||
+ | ===== tanh ===== | ||
+ | <code c> | ||
+ | double tanh(double); | ||
+ | </code> | ||
+ | Returns hyperbolic tangent of a radian angle x. | ||
+ | |||
+ | ===== C Sourcecode Example ===== | ||
+ | compile with tanh.c -o tanh **-lm** | ||
+ | <code c> | ||
+ | #include <stdio.h> /* including standard library */ | ||
+ | //#include <windows.h> /* uncomment this for Windows */ | ||
+ | |||
+ | #include <math.h> /* including math library */ | ||
+ | |||
+ | int main( void ) | ||
+ | { | ||
+ | double x; | ||
+ | x = log(42); | ||
+ | printf ("hyperbolic tangent of 42 is %lf\n", tanh (x) ); | ||
+ | return 0; | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | ==== output ==== | ||
+ | output: | ||
+ | user@host:~$ ./tanh | ||
+ | hyperbolic tangent of 42 is 0.998867 | ||
+ | |||