big.go raw

   1  package humanize
   2  
   3  import (
   4  	"math/big"
   5  )
   6  
   7  // order of magnitude (to a max order)
   8  func oomm(n, b *big.Int, maxmag int) (float64, int) {
   9  	mag := 0
  10  	m := &big.Int{}
  11  	for n.Cmp(b) >= 0 {
  12  		n.DivMod(n, b, m)
  13  		mag++
  14  		if mag == maxmag && maxmag >= 0 {
  15  			break
  16  		}
  17  	}
  18  	return float64(n.Int64()) + (float64(m.Int64()) / float64(b.Int64())), mag
  19  }
  20  
  21  // total order of magnitude
  22  // (same as above, but with no upper limit)
  23  func oom(n, b *big.Int) (float64, int) {
  24  	mag := 0
  25  	m := &big.Int{}
  26  	for n.Cmp(b) >= 0 {
  27  		n.DivMod(n, b, m)
  28  		mag++
  29  	}
  30  	return float64(n.Int64()) + (float64(m.Int64()) / float64(b.Int64())), mag
  31  }
  32