[PATCH 2/2] Add a missing default case in lgamma

[Andoni Arregi <andoni.arregui@gtd-gmbh.de>]

The missing default case leads to large errors for |x| in range
[2.0, 3.0[.
In case of i=2, i.e., in the range between [2,3[, the computation
"r += logf(z)" is not performed and hence the result was wrong.
The added default case resolves this issue.
(Courtesy of Andreas Jung, ESA)
---
 newlib/libm/math/er_lgamma.c  | 1 +
 newlib/libm/math/erf_lgamma.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/newlib/libm/math/er_lgamma.c
b/newlib/libm/math/er_lgamma.c
index 5c88548fb..65727c6ab 100644
--- a/newlib/libm/math/er_lgamma.c
+++ b/newlib/libm/math/er_lgamma.c
@@ -302,6 +302,7 @@ static double zero=  0.00000000000000000000e+00;
 	   case 5: z *= (y+4.0);	/* FALLTHRU */
 	   case 4: z *= (y+3.0);	/* FALLTHRU */
 	   case 3: z *= (y+2.0);	/* FALLTHRU */
+      default:
 		   r += __ieee754_log(z); break;
 	   }
     /* 8.0 <= x < 2**58 */
diff --git a/newlib/libm/math/erf_lgamma.c
b/newlib/libm/math/erf_lgamma.c
index 84d02159b..e7311cacf 100644
--- a/newlib/libm/math/erf_lgamma.c
+++ b/newlib/libm/math/erf_lgamma.c
@@ -238,6 +238,7 @@ static float zero=  0.0000000000e+00;
 	   case 5: z *= (y+(float)4.0);	/* FALLTHRU */
 	   case 4: z *= (y+(float)3.0);	/* FALLTHRU */
 	   case 3: z *= (y+(float)2.0);	/* FALLTHRU */
+      default:
 		   r += __ieee754_logf(z); break;
 	   }
     /* 8.0 <= x < 2**58 */
-- 
2.35.1