---

yaml
---
r: 233333
b: refs/heads/beta
c: 7ff1020
h: refs/heads/master
i:
  233331: a49f81f
v: v3

Author: Robin Kruppe

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: b55806ca8ff97ee89f77f9c784619ace3034c32c
+refs/heads/beta: 7ff10209aa9b8da6d6d4ceea0161757048126d2d
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: 370fe2786109360f7c35b8ba552b83b773dd71d6
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/libcore/num/flt2dec/bignum.rs

@@ -11,9 +11,9 @@
 //! Custom arbitrary-precision number (bignum) implementation.
 //!
 //! This is designed to avoid the heap allocation at expense of stack memory.
-//! The most used bignum type, `Big32x36`, is limited by 32 × 36 = 1,152 bits
-//! and will take at most 152 bytes of stack memory. This is (barely) enough
-//! for handling all possible finite `f64` values.
+//! The most used bignum type, `Big32x40`, is limited by 32 × 40 = 1,280 bits
+//! and will take at most 160 bytes of stack memory. This is more than enough
+//! for formatting and parsing all possible finite `f64` values.
 //!
 //! In principle it is possible to have multiple bignum types for different
 //! inputs, but we don't do so to avoid the code bloat. Each bignum is still
@@ -344,10 +344,10 @@ macro_rules! define_bignum {
     )
 }
 
-/// The digit type for `Big32x36`.
+/// The digit type for `Big32x40`.
 pub type Digit32 = u32;
 
-define_bignum!(Big32x36: type=Digit32, n=36);
+define_bignum!(Big32x40: type=Digit32, n=40);
 
 // this one is used for testing only.
 #[doc(hidden)]

branches/beta/src/libcore/num/flt2dec/strategy/dragon.rs

@@ -23,7 +23,7 @@ use cmp::Ordering;
 use num::flt2dec::{Decoded, MAX_SIG_DIGITS, round_up};
 use num::flt2dec::estimator::estimate_scaling_factor;
 use num::flt2dec::bignum::Digit32 as Digit;
-use num::flt2dec::bignum::Big32x36 as Big;
+use num::flt2dec::bignum::Big32x40 as Big;
 
 static POW10: [Digit; 10] = [1, 10, 100, 1000, 10000, 100000,
                              1000000, 10000000, 100000000, 1000000000];

branches/beta/src/libcoretest/num/flt2dec/strategy/dragon.rs

@@ -12,7 +12,7 @@ use std::prelude::v1::*;
 use std::{i16, f64};
 use super::super::*;
 use core::num::flt2dec::*;
-use core::num::flt2dec::bignum::Big32x36 as Big;
+use core::num::flt2dec::bignum::Big32x40 as Big;
 use core::num::flt2dec::strategy::dragon::*;
 
 #[test]