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authorJim Blandy <jimb@redhat.com>1993-08-09 06:04:14 +0000
committerJim Blandy <jimb@redhat.com>1993-08-09 06:04:14 +0000
commit6d3c6adbdf4d047d007473ff693a9fade8563c42 (patch)
tree264a5b0e3f992820e35fab734cdf633c1f941911 /src/floatfns.c
parent3a0ce8496de4efb386d7c1323b68f0b91b9e0de8 (diff)
downloademacs-6d3c6adbdf4d047d007473ff693a9fade8563c42.tar.gz
* config.h.in (HAVE_LOGB, HAVE_FREXP): Add #undefs for the
configuration script to edit. * floatfns.c (Flogb): Use HAVE_LOGB and HAVE_FREXP, instead of assuming that all USG systems have FREXP.
Diffstat (limited to 'src/floatfns.c')
-rw-r--r--src/floatfns.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/floatfns.c b/src/floatfns.c
index 90a2186d3f6..8f0515a84b5 100644
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -635,7 +635,11 @@ This is the same as the exponent of a float.")
int value;
double f = extract_float (arg);
-#ifdef USG
+#ifdef HAVE_LOGB
+ IN_FLOAT (value = logb (f), "logb", arg);
+ XSET (val, Lisp_Int, value);
+#else
+#ifdef HAVE_FREXP
{
int exp;
@@ -643,8 +647,8 @@ This is the same as the exponent of a float.")
XSET (val, Lisp_Int, exp-1);
}
#else
- IN_FLOAT (value = logb (f), "logb", arg);
- XSET (val, Lisp_Int, value);
+ Well, what *do* you have?
+#endif
#endif
return val;