Date: Wed, 19 Mar 2003 05:13:17 -0800 From: David Schultz <das@FreeBSD.ORG> To: Till Riedel <till@f111.hadiko.de> Cc: freebsd-current@FreeBSD.ORG Subject: Re: libm problem Message-ID: <20030319131317.GA670@HAL9000.homeunix.com> In-Reply-To: <20030318173051.GA2322@f111.hadiko.de> References: <20030318173051.GA2322@f111.hadiko.de>
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Thus spake Till Riedel <till@f111.hadiko.de>:
> {till@sabbath}-{~} $ cat test.c
> #include "math.h"
>
> int main()
> {
> int base=8;
> int dim=2;
> float res;
> res=pow((float)base,(float)dim);
> printf("%f\n",res);
> return 0;
> }
> {till@sabbath}-{~} $ gcc -lm test.c
> {till@sabbath}-{~} $ ./a.out
> 1.000000
>
> what happened to my libm???
> on my 4.8 box the result is 64 by the way :-)
> CPU: Pentium 4 (2411.60-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0xf27 Stepping = 7
> any suggestions?
I can't reproduce your problem on dual PPro or Celeron systems.
Did you have any optimizations other than -O set when you made
world? It would be helpful if you could drop into gdb and give me
the output of 'print/x {int}&res' right after the call to pow().
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