Major fixes and new features

venv/lib/python3.12/site-packages/prometheus_client/utils.py

@@ -0,0 +1,24 @@
+import math
+
+INF = float("inf")
+MINUS_INF = float("-inf")
+NaN = float("NaN")
+
+
+def floatToGoString(d):
+    d = float(d)
+    if d == INF:
+        return '+Inf'
+    elif d == MINUS_INF:
+        return '-Inf'
+    elif math.isnan(d):
+        return 'NaN'
+    else:
+        s = repr(d)
+        dot = s.find('.')
+        # Go switches to exponents sooner than Python.
+        # We only need to care about positive values for le/quantile.
+        if d > 0 and dot > 6:
+            mantissa = f'{s[0]}.{s[1:dot]}{s[dot + 1:]}'.rstrip('0.')
+            return f'{mantissa}e+0{dot - 1}'
+        return s