高温氦气物性补全；三通四通能量计算bug修正

native/include/kernels.h

@@ -24,14 +24,23 @@ enum {
     NATIVE_PROPERTY_PT=1, NATIVE_PROPERTY_H=2, NATIVE_PROPERTY_RHO=4,
     NATIVE_PROPERTY_MU=8, NATIVE_PROPERTY_ISENTROPIC=16
 };
+/* Optional observer for one evaluation, independent of cache capacity.
+ * Slots: EOS, ideal caloric data, dynamic viscosity; each has min/max T. */
+#define NATIVE_PROPERTY_DOMAINS 3
+typedef struct {
+    unsigned seen;
+    double minimum[NATIVE_PROPERTY_DOMAINS], maximum[NATIVE_PROPERTY_DOMAINS];
+} NativePropertyTemperatures;
 typedef struct {
     NativeMedium medium;
     double p, T, h, rho, mu, isentropic_factor, isentropic_exponent;
     unsigned valid;
+    NativePropertyTemperatures *temperatures;
 } NativePropertyState;
 typedef struct {
     NativePropertyState *states;
     size_t count, capacity;
+    NativePropertyTemperatures *temperatures;
 } NativePropertyCache;
 void native_properties_init(NativePropertyCache *, NativePropertyState *, size_t capacity);
 int native_gas_context(NativePropertyCache *, double m, double U, double V, NativeGas *);