spell out hex float

tkelman · tkelman · commit a72ccd96a64e · 2014-08-20T23:50:15.000-07:00
diff --git a/base/math.jl b/base/math.jl
@@ -209,7 +209,7 @@ function frexp(x::Float64)
     k = int(xu >> 52) & 0x07ff
     if k == 0 # x is subnormal
         x == zero(x) && return x,0
-        x *= 0x1p54 # normalise significand
+        x *= 1.8014398509481984e16 # 0x1p54, normalise significand
         xu = reinterpret(Uint64,x)
         k = int(xu >> 52) & 0x07ff - 54
     elseif k == 0x07ff # NaN or Inf
