Merge pull request #6080 from baude/v2stats

v2 podman stats

1 files changed, 19 insertions, 0 deletions

diff --git a/utils/utils.go b/utils/utils.go
index cf58ca3fb..27ce1821d 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -6,6 +6,7 @@ import (
 	"io"
 	"os"
 	"os/exec"
+	"strconv"
 	"strings"
 
 	"github.com/containers/storage/pkg/archive"
@@ -125,3 +126,21 @@ func Tar(source string) (io.ReadCloser, error) {
 	logrus.Debugf("creating tarball of %s", source)
 	return archive.Tar(source, archive.Uncompressed)
 }
+
+// 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
+}