fix minor bug uncovered by new constant evaluator

R=gri
OCL=14025
CL=14025

diff --git a/src/lib/fmt.go b/src/lib/fmt.go
index f94a027768851cf650999072bc320dcbacac6515..3398e1b1dc1a3a6a6710e7495fbc993d83819549 100644 (file)
--- a/src/lib/fmt.go
+++ b/src/lib/fmt.go
@@ -11,15 +11,13 @@ package fmt
        f.ud(^0).putnl();  // print string with automatic newline
 */
 
-// import sys "sys"
-
-//export Fmt, New;
+// export Fmt, New;
 
 const NByte = 64;
 const NPows10 = 160;
 
-var ldigits string = "0123456789abcdef";  // BUG: Should be const
-var udigits string = "0123456789ABCDEF";  // BUG: Should be const
+var ldigits string = "0123456789abcdef"  // var not const because we take its address
+var udigits string = "0123456789ABCDEF"
 var pows10 [NPows10] double;
 
 func init() {
@@ -355,7 +353,7 @@ func unpack(a double) (negative bool, exp int, num double) {
        // find g,e such that a = g*10^e.
        // guess 10-exponent using 2-exponent, then fine tune.
        g, e2 := sys.frexp(a);
-       e := int(e2 * .301029995663981);
+       e := int(double(e2) * .301029995663981);
        g = a * pow10(-e);
        for g < 1 {
                e--;