*** ./lqr/lqr_carver.c.ORIG	Wed Feb 16 14:53:59 2011
--- ./lqr/lqr_carver.c	Wed Feb 16 14:55:21 2011
***************
*** 37,42 ****
--- 37,47 ----
  #include <assert.h>
  #endif /* __LQR_DEBUG__ */
  
+ #ifdef _AIX51 && !defined(_AIX52)
+ #define fabsf(x) fabs(x)
+ #define powf(x) pow(x)
+ #endif
+ 
  /**** LQR_CARVER CLASS FUNCTIONS ****/
  
  /*** constructor & destructor ***/
