Make Nix builds work

1 files changed, 49 insertions, 0 deletions

diff --git a/vendor/github.com/dustin/go-humanize/ftoa.go b/vendor/github.com/dustin/go-humanize/ftoa.go
new file mode 100644
index 0000000..bce923f
--- /dev/null
+++ b/vendor/github.com/dustin/go-humanize/ftoa.go
@@ -0,0 +1,49 @@
+package humanize
+
+import (
+        "strconv"
+        "strings"
+)
+
+func stripTrailingZeros(s string) string {
+        if !strings.ContainsRune(s, '.') {
+                return s
+        }
+        offset := len(s) - 1
+        for offset > 0 {
+                if s[offset] == '.' {
+                        offset--
+                        break
+                }
+                if s[offset] != '0' {
+                        break
+                }
+                offset--
+        }
+        return s[:offset+1]
+}
+
+func stripTrailingDigits(s string, digits int) string {
+        if i := strings.Index(s, "."); i >= 0 {
+                if digits <= 0 {
+                        return s[:i]
+                }
+                i++
+                if i+digits >= len(s) {
+                        return s
+                }
+                return s[:i+digits]
+        }
+        return s
+}
+
+// Ftoa converts a float to a string with no trailing zeros.
+func Ftoa(num float64) string {
+        return stripTrailingZeros(strconv.FormatFloat(num, 'f', 6, 64))
+}
+
+// FtoaWithDigits converts a float to a string but limits the resulting string
+// to the given number of decimal places, and no trailing zeros.
+func FtoaWithDigits(num float64, digits int) string {
+        return stripTrailingZeros(stripTrailingDigits(strconv.FormatFloat(num, 'f', 6, 64), digits))
+}