glib-aux: move nm_utils_exp10() from core to libnm-glib-aux

src/core/nm-core-utils.c

@@ -156,37 +156,6 @@ _nm_singleton_instance_register_destruction(GObject *instance)
 
 /*****************************************************************************/
 
-static double
-_exp10(guint16 ex)
-{
-    double v;
-
-    if (ex == 0)
-        return 1.0;
-
-    v = _exp10(ex / 2);
-    v = v * v;
-    if (ex % 2)
-        v *= 10;
-    return v;
-}
-
-/*
- * nm_utils_exp10:
- * @ex: the exponent
- *
- * Returns: 10^ex, or pow(10, ex), or exp10(ex).
- */
-double
-nm_utils_exp10(gint16 ex)
-{
-    if (ex >= 0)
-        return _exp10(ex);
-    return 1.0 / _exp10(-((gint32) ex));
-}
-
-/*****************************************************************************/
-
 gboolean
 nm_ether_addr_is_valid(const NMEtherAddr *addr)
 {

src/core/nm-core-utils.h

@@ -185,8 +185,6 @@ nm_hash_update_in6addr_prefix(NMHashState *h, const struct in6_addr *addr, guint
     nm_hash_update_in6addr(h, &a);
 }
 
-double nm_utils_exp10(gint16 e);
-
 /**
  * nm_utils_ip6_route_metric_normalize:
  * @metric: the route metric

src/libnm-glib-aux/nm-shared-utils.c

@@ -5708,3 +5708,34 @@ nm_utils_name_to_uid(const char *name, uid_t *out_uid)
         buf      = buf_heap;
     }
 }
+
+/*****************************************************************************/
+
+static double
+_exp10(guint16 ex)
+{
+    double v;
+
+    if (ex == 0)
+        return 1.0;
+
+    v = _exp10(ex / 2);
+    v = v * v;
+    if (ex % 2)
+        v *= 10;
+    return v;
+}
+
+/*
+ * nm_utils_exp10:
+ * @ex: the exponent
+ *
+ * Returns: 10^ex, or pow(10, ex), or exp10(ex).
+ */
+double
+nm_utils_exp10(gint16 ex)
+{
+    if (ex >= 0)
+        return _exp10(ex);
+    return 1.0 / _exp10(-((gint32) ex));
+}

src/libnm-glib-aux/nm-shared-utils.h

@@ -2491,4 +2491,8 @@ gboolean nm_utils_is_specific_hostname(const char *name);
 char *   nm_utils_uid_to_name(uid_t uid);
 gboolean nm_utils_name_to_uid(const char *name, uid_t *out_uid);
 
+/*****************************************************************************/
+
+double nm_utils_exp10(gint16 e);
+
 #endif /* __NM_SHARED_UTILS_H__ */