From: mb38421@bamse.swip.net (Sune Falck) Subject: Re: cygwin and pow() 8 Apr 1998 21:28:39 -0700 Message-ID: <199804071844.UAA19497.cygnus.gnu-win32@mb05.swip.net> References: <199803310655.AA27868@jade.risc.uni-linz.ac.at> Reply-To: Sune.Fack@swipnet.se Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT To: gnu-win32@cygnus.com (GNU-Win32), "Axel Riese" On 31 Mar 98 at 8:55, Axel Riese wrote: > Dear all ! > > Could someone please help me with the following problem. I want to > compute 0.5 ^ 0.75, which should give something close to 0.5946... > You must include math.h to get the prototype for the pow function. If you dont include math.h the compiler believes that the function returns an int that then gets converted to a double with dubious value. #include #include int main(int argc, char **argv) { double result; result = pow (0.5, 0.75); printf ("The result is %f\n", result); return EXIT_SUCCESS; } C:\users\default>gcc -o pow.exe pow.c C:\users\default>pow The result is 0.594604 Sune Falck > -- Sune Falck Stavshaellsvaegen 5, S-146 54 Tullinge, Sweden - For help on using this list (especially unsubscribing), send a message to "gnu-win32-request@cygnus.com" with one line of text: "help".