diff options
Diffstat (limited to 'libgo/go/strconv/ftoa.go')
| -rw-r--r-- | libgo/go/strconv/ftoa.go | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/libgo/go/strconv/ftoa.go b/libgo/go/strconv/ftoa.go index 468c37f..9ff5d10 100644 --- a/libgo/go/strconv/ftoa.go +++ b/libgo/go/strconv/ftoa.go @@ -286,25 +286,23 @@ func roundShortest(d *decimal, mant uint64, exp int, flt *floatInfo) { // Now we can figure out the minimum number of digits required. // Walk along until d has distinguished itself from upper and lower. for i := 0; i < d.nd; i++ { - var l, m, u byte // lower, middle, upper digits + l := byte('0') // lower digit if i < lower.nd { l = lower.d[i] - } else { - l = '0' } - m = d.d[i] + m := d.d[i] // middle digit + u := byte('0') // upper digit if i < upper.nd { u = upper.d[i] - } else { - u = '0' } // Okay to round down (truncate) if lower has a different digit - // or if lower is inclusive and is exactly the result of rounding down. - okdown := l != m || (inclusive && l == m && i+1 == lower.nd) + // or if lower is inclusive and is exactly the result of rounding + // down (i.e., and we have reached the final digit of lower). + okdown := l != m || inclusive && i+1 == lower.nd - // Okay to round up if upper has a different digit and - // either upper is inclusive or upper is bigger than the result of rounding up. + // Okay to round up if upper has a different digit and either upper + // is inclusive or upper is bigger than the result of rounding up. okup := m != u && (inclusive || m+1 < u || i+1 < upper.nd) // If it's okay to do either, then round to the nearest one. |