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c:math.h:pow [2013/01/22 22:02] |
c:math.h:pow [2024/02/16 01:05] (current) |
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+ | {{keywords>wiki library source code example reference}} | ||
+ | ===== pow ===== | ||
+ | <code c> | ||
+ | double pow(double, double ); | ||
+ | </code> | ||
+ | |||
+ | pow() returns base raised to the exp power. | ||
+ | |||
+ | |||
+ | ===== C Sourcecode Example ===== | ||
+ | compile in linux with: gcc pow.c -o pow **-lm** -Wall | ||
+ | |||
+ | <code c> | ||
+ | #include <stdio.h> /* including standard library */ | ||
+ | //#include <windows.h> /* uncomment this for Windows */ | ||
+ | |||
+ | #include <math.h> /* including math library */ | ||
+ | |||
+ | int main( void ) | ||
+ | { | ||
+ | printf ("4 to the 2th power is: %lf\n ", pow(4, 2)); | ||
+ | return 0; | ||
+ | } | ||
+ | |||
+ | </code> | ||
+ | |||
+ | ==== output ==== | ||
+ | output: | ||
+ | user@host:~$ /pow | ||
+ | 4 to the 2th power is: 16.000000 | ||