eina: add functions for warningless exact comparisons of floats

in some cases a user does want to check exact values, so these functions
should be used to indicate this intent

needs windows support

@feature

src/lib/eina/eina_util.c

@@ -100,3 +100,35 @@ eina_environment_tmp_get(void)
    return tmp;
 #endif
 }
+
+#if defined(_MSC_VER)
+#elif defined(__clang__)
+#  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wfloat-equal"
+#elif defined(__GNUC__)
+# if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406
+#  pragma GCC diagnostic push
+#  pragma GCC diagnostic ignored "-Wfloat-equal"
+# endif
+#endif
+
+EAPI Eina_Bool
+eina_dbleq(double a, double b)
+{
+   return a == b;
+}
+
+EAPI Eina_Bool
+eina_flteq(float a, float b)
+{
+   return a == b;
+}
+
+#if defined(_MSC_VER)
+#elif defined(__clang__)
+#  pragma clang diagnostic pop
+#elif defined(__GNUC__)
+# if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406
+#  pragma GCC diagnostic pop
+# endif
+#endif

src/lib/eina/eina_util.h

@@ -49,6 +49,26 @@ EAPI const char *eina_environment_home_get(void);
  */
 EAPI const char *eina_environment_tmp_get(void);
 
+/**
+ * @brief Warningless comparison of doubles using ==
+ * @param a First member to compare
+ * @param b Second member to compare
+ *
+ * @return @c true if two doubles match
+ * @since 1.19
+ */
+EAPI Eina_Bool eina_dbleq(double a, double b);
+
+/**
+ * @brief Warningless comparison of floats using ==
+ * @param a First member to compare
+ * @param b Second member to compare
+ *
+ * @return @c true if two floats match
+ * @since 1.19
+ */
+EAPI Eina_Bool eina_flteq(float a, float b);
+
 /**
  * @brief Safe comparison of float
  * @param a First member to compar