Re: [Mingw-w64-public] [Mingw-users] Math library discrepancies that surprised me.

2011-04-30 Thread K. Frank
Hello Bob and Kai! On Sat, Apr 30, 2011 at 5:41 PM, Kai Tietz wrote: > 2011/4/30 Bob Delaney : >> >> On Apr 30, 2011, at 10:15 AM, K. Frank wrote: >> >>> I get: >>> >>>   C:\>gcc -o pow_test pow_test.c >>> >>>   C:\>pow_test >>>   2.20017764^3.10008882 = 11.521534126785718

Re: [Mingw-w64-public] [Mingw-users] Math library discrepancies that surprised me.

2011-04-30 Thread Kai Tietz
2011/4/30 Kai Tietz : > 2011/4/30 K. Frank : >> Hello Kai! >> >> On Sat, Apr 30, 2011 at 5:51 AM, Kai Tietz wrote: >>> 2011/4/30 Kai Tietz : 2011/4/30 Greg Chicares : > On 2011-04-29 19:55Z, K. Frank wrote: >> >> By the way, could someone confirm that mingw does use msvcrt for >>>

Re: [Mingw-w64-public] [Mingw-users] Math library discrepancies that surprised me.

2011-04-30 Thread Kai Tietz
2011/4/30 K. Frank : > Hello Kai! > > On Sat, Apr 30, 2011 at 5:51 AM, Kai Tietz wrote: >> 2011/4/30 Kai Tietz : >>> 2011/4/30 Greg Chicares : On 2011-04-29 19:55Z, K. Frank wrote: > > By the way, could someone confirm that mingw does use msvcrt for > sqrt and pow? http:

Re: [Mingw-w64-public] [Mingw-users] Math library discrepancies that surprised me.

2011-04-30 Thread K. Frank
Hello Kai! On Sat, Apr 30, 2011 at 5:51 AM, Kai Tietz wrote: > 2011/4/30 Kai Tietz : >> 2011/4/30 Greg Chicares : >>> On 2011-04-29 19:55Z, K. Frank wrote: By the way, could someone confirm that mingw does use msvcrt for sqrt and pow? >>> >>> http://cygwin.com/cgi-bin/cvsweb.cgi/sr

Re: [Mingw-w64-public] [Mingw-users] Math library discrepancies that surprised me.

2011-04-30 Thread James K Beard
My comments don't seem to be making it into the thread this week, possibly because of a switch between my reply-to email address and another. So, if it gets lost, perhaps nightstrike can intervene, or echo the information. Perhaps not. The sqrt() function can be implemented with excellent speed t

Re: [Mingw-w64-public] [Mingw-users] Math library discrepancies that surprised me.

2011-04-30 Thread Kai Tietz
2011/4/30 Kai Tietz : > 2011/4/30 Greg Chicares : >> On 2011-04-29 19:55Z, K. Frank wrote: >>> >>> By the way, could someone confirm that mingw does use msvcrt for >>> sqrt and pow? >> >> http://cygwin.com/cgi-bin/cvsweb.cgi/src/winsup/mingw/mingwex/math/?cvsroot=src >> >> Looks to me like sqrt(dou

Re: [Mingw-w64-public] [Mingw-users] Math library discrepancies that surprised me.

2011-04-30 Thread Kai Tietz
2011/4/30 Greg Chicares : > On 2011-04-29 19:55Z, K. Frank wrote: >> >> By the way, could someone confirm that mingw does use msvcrt for >> sqrt and pow? > > http://cygwin.com/cgi-bin/cvsweb.cgi/src/winsup/mingw/mingwex/math/?cvsroot=src > > Looks to me like sqrt(double) calls into msvcrt. But pow(

Re: [Mingw-w64-public] [Mingw-users] Math library discrepancies that surprised me.

2011-04-30 Thread Greg Chicares
On 2011-04-29 19:55Z, K. Frank wrote: > > By the way, could someone confirm that mingw does use msvcrt for > sqrt and pow? http://cygwin.com/cgi-bin/cvsweb.cgi/src/winsup/mingw/mingwex/math/?cvsroot=src Looks to me like sqrt(double) calls into msvcrt. But pow() is a different story. Danny implem