added cases in OpenApiWriterBase.WriteValue for long, float and double

Author: Joel W Kall

src/Microsoft.OpenApi/Writers/OpenApiWriterBase.cs

@@ -194,10 +194,22 @@ public virtual void WriteValue(object value)
             {
                 WriteValue((int)value);
             }
+            else if (type == typeof(long) || type == typeof(long?))
+            {
+                WriteValue((long)value);
+            }
             else if (type == typeof(bool) || type == typeof(bool?))
             {
                 WriteValue((bool)value);
             }
+            else if (type == typeof(float) || type == typeof(float?))
+            {
+                WriteValue((float)value);
+            }
+            else if (type == typeof(double) || type == typeof(double?))
+            {
+                WriteValue((double)value);
+            }
             else if (type == typeof(decimal) || type == typeof(decimal?))
             {
                 WriteValue((decimal)value);