Raymond Toy pushed to branch issue-425-correctly-rounded-math-functions at cmucl / cmucl

Commits:

• 4b2d91e9
  by Raymond Toy at 2026-01-31T08:46:03-08:00

  Use fdlibm's pow function instead of core-math
  
  When cr_pow is used, the ansi-tests fail in test WRITE.1 among others.
  This test somehow produces a floating-point-invalid-operation
  somewhere.  Until we can figure this out, just use fdlibm's pow for
  now.
  

1 changed file:

• src/lisp/irrat.c

Changes:

 double

 lisp_pow(double x, double y)

 {

-#ifdef FEATURE_CORE_MATH

-    return cr_pow(x, y);

-#else    

+    /*

+     * cr_pow seems causes ansi-tests to fail in test WRITE.1 among

+     * others.  Somewhere an invalid operation is occurring.  Thus

+     * just use fdlibm for now until we can figure out what's causing

+     * the failure.

+     */

     return __ieee754_pow(x, y);

-#endif

 }

 double