Check for ERANGE in exp() as well.

Improve release docs for ecpg regression tests.

diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c
index ef2da34a80e9fb1213b81db6eb7a7df6f93f61ed..263a13a314842e7202d2a0decbc93783953df021 100644 (file)
--- a/src/backend/utils/adt/float.c
+++ b/src/backend/utils/adt/float.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.144 2007/01/06 04:14:55 momjian Exp $
+ *       $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.145 2007/01/06 15:18:02 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1444,8 +1444,8 @@ dpow(PG_FUNCTION_ARGS)
         * using errno.  However, some platform/CPU combinations return
         * errno == EDOM and result == Nan for negative arg1 and very large arg2
         * (they must be using something different from our floor() test to
-        * decide it's invalid).  Other platforms return errno == ERANGE and a
-        * large but finite result to signal overflow.
+        * decide it's invalid).  Other platforms (HPPA) return errno == ERANGE
+        * and a large (HUGE_VAL) but finite result to signal overflow.
         */
        errno = 0;
        result = pow(arg1, arg2);
@@ -1459,7 +1459,6 @@ dpow(PG_FUNCTION_ARGS)
                else
                        result = 1;
        }
-       /* Some platoforms, e.g. HPPA, return ERANGE, but HUGE_VAL, not Inf */
        else if (errno == ERANGE && !isinf(result))
                result = get_float8_infinity();
        
@@ -1477,7 +1476,10 @@ dexp(PG_FUNCTION_ARGS)
        float8          arg1 = PG_GETARG_FLOAT8(0);
        float8          result;
 
+       errno = 0;
        result = exp(arg1);
+       if (errno == ERANGE && !isinf(result))
+               result = get_float8_infinity();
 
        CHECKFLOATVAL(result, isinf(arg1), false);
        PG_RETURN_FLOAT8(result);

diff --git a/src/tools/RELEASE_CHANGES b/src/tools/RELEASE_CHANGES
index 727b434cabc746f63fb1e78d96eed7d71fd32aaf..acefa1a000ecab25b2331b55c02ab44848e9caeb 100644 (file)
--- a/src/tools/RELEASE_CHANGES
+++ b/src/tools/RELEASE_CHANGES
@@ -35,7 +35,7 @@ For Major Releases
 * Bump library versions, if appropriate (see below)
        o src/interfaces/*/Makefile
        o src/interfaces/*/*/Makefile
-       o update ecpg regression expected files
+       o update ecpg regression expected files for new library number
 
 * Release notes
        o check that dashed items from the TODO list are complete