From cdccf023aab367870fa53273d2078eb4e6ecd807 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Mon, 27 Dec 2004 00:11:13 +0000
Subject: add isNaN

---
 src/lib9/fmt/fltfmt.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'src/lib9')

diff --git a/src/lib9/fmt/fltfmt.c b/src/lib9/fmt/fltfmt.c
index 57839ce9..68145ee6 100644
--- a/src/lib9/fmt/fltfmt.c
+++ b/src/lib9/fmt/fltfmt.c
@@ -18,6 +18,7 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <stdarg.h>
+#include <ctype.h>
 #include <fmt.h>
 #include "plan9.h"
 #include "fmt.h"
@@ -142,15 +143,15 @@ xdtoa(Fmt *fmt, char *s2, double f)
 		prec = fmt->prec;
 	if(prec > FDIGIT)
 		prec = FDIGIT;
-	if(isNaN(f)) {
+	if(__isNaN(f)) {
 		strcpy(s2, "NaN");
 		return;
 	}
-	if(isInf(f, 1)) {
+	if(__isInf(f, 1)) {
 		strcpy(s2, "+Inf");
 		return;
 	}
-	if(isInf(f, -1)) {
+	if(__isInf(f, -1)) {
 		strcpy(s2, "-Inf");
 		return;
 	}
-- 
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