>Number:         75
>Category:       lib
>Synopsis:       libm/common_source/pow.c doesn't compile under -O2
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    gnats-admin (Library Bug People)
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Thu Jan 13 13:05:08 1994
>Originator:     Thomas Eberhardt
>Organization:
CeVis, University of Bremen, Germany
>Release:        
>Environment:
    	
System: NetBSD ed209 0.9a ED209#0 i386

Machine: i386
>Description:
	libm/common_source/pow.c doesn't compile under -O2 since the
	compiler tries to evaluate the huge*huge expression and
	aborts with an floating point error message.
>How-To-Repeat:
	
>Fix:
*** pow.c-	Fri Dec 17 07:30:57 1993
--- pow.c	Thu Jan  6 12:24:03 1994
***************
*** 121,126 ****
--- 121,127 ----
  #endif		/* vax or tahoe */
  
  const static double zero=0.0, one=1.0, two=2.0, negone= -1.0;
+ const static double huge=1e300, tiny=1e-300;
  
  static double pow_P __P((double, double));
  
***************
*** 175,181 ****
  #endif
  {
  	struct Double s, t, log__D();
! 	double  exp__D(), huge = 1e300, tiny = 1e-300;
  
  	if (x == zero)
  		if (y > zero)
--- 176,182 ----
  #endif
  {
  	struct Double s, t, log__D();
! 	double  exp__D();
  
  	if (x == zero)
  		if (y > zero)
>Audit-Trail:
>Unformatted:

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