diff options
Diffstat (limited to 'libpod/util.go')
| -rw-r--r-- | libpod/util.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libpod/util.go b/libpod/util.go index 61089b525..de5c3ff31 100644 --- a/libpod/util.go +++ b/libpod/util.go @@ -9,6 +9,8 @@ import ( "github.com/containers/image/signature" "github.com/containers/image/types" + "github.com/pkg/errors" + "strconv" ) // Runtime API constants @@ -76,3 +78,21 @@ func GetPolicyContext(path string) (*signature.PolicyContext, error) { } return signature.NewPolicyContext(policy) } + +// RemoveScientificNotationFromFloat returns a float without any +// scientific notation if the number has any. +// golang does not handle conversion of float64s that have scientific +// notation in them and otherwise stinks. please replace this if you have +// a better implementation. +func RemoveScientificNotationFromFloat(x float64) (float64, error) { + bigNum := strconv.FormatFloat(x, 'g', -1, 64) + breakPoint := strings.IndexAny(bigNum, "Ee") + if breakPoint > 0 { + bigNum = bigNum[:breakPoint] + } + result, err := strconv.ParseFloat(bigNum, 64) + if err != nil { + return x, errors.Wrapf(err, "unable to remove scientific number from calculations") + } + return result, nil +} |