Module Name: src
Committed By: riastradh
Date: Fri Nov 4 19:18:53 UTC 2016
Modified Files:
src/lib/libc/stdlib: strtod.3
Log Message:
Fix infinity detection with isinf(d), not d == HUGE_VAL.
Negative infinity counts as overflow too.
Simplify.
To generate a diff of this commit:
cvs rdiff -u -r1.24 -r1.25 src/lib/libc/stdlib/strtod.3
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/stdlib/strtod.3
diff -u src/lib/libc/stdlib/strtod.3:1.24 src/lib/libc/stdlib/strtod.3:1.25
--- src/lib/libc/stdlib/strtod.3:1.24 Fri Nov 4 19:10:04 2016
+++ src/lib/libc/stdlib/strtod.3 Fri Nov 4 19:18:53 2016
@@ -1,4 +1,4 @@
-.\" $NetBSD: strtod.3,v 1.24 2016/11/04 19:10:04 riastradh Exp $
+.\" $NetBSD: strtod.3,v 1.25 2016/11/04 19:18:53 riastradh Exp $
.\"
.\" Copyright (c) 1990, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -202,9 +202,9 @@ if (s[0] == '\e0' || end[0] != '\e0')
errx(1, "invalid syntax");
if (errno) {
assert(errno == ERANGE);
- assert(d == HUGE_VAL || d == -HUGE_VAL || d == 0 ||
+ assert(isinf(d) || d == 0 ||
fpclassify(d) == FP_SUBNORMAL);
- warnx("%s", d == HUGE_VAL ? "overflow" : "underflow");
+ warnx("%s", isinf(d) ? "overflow" : "underflow");
}
/* d is the best floating-point approximation to the number in s */
.Ed
