1 files changed, 89 insertions, 0 deletions
diff --git a/Utilib/src/steam.h b/Utilib/src/steam.h
new file mode 100644
index 0000000..9db9d06
--- /dev/null
+++ b/Utilib/src/steam.h
@@ -0,0 +1,89 @@
+/*
+freesteam - IAPWS-IF97 steam tables library
+Copyright (C) 2004-2005  John Pye
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+#ifndef FREESTEAM_STEAM_H
+#define FREESTEAM_STEAM_H
+
+#include "common.h"
+
+#include <stdio.h>
+
+typedef struct SteamState_R1_struct{
+	double p, T;
+} SteamState_R1;
+
+typedef struct SteamState_R2_struct{
+	double p, T;
+} SteamState_R2;
+
+typedef struct SteamState_R3_struct{
+	double rho, T;
+} SteamState_R3;
+
+typedef struct SteamState_R4_struct{
+	double T, x;
+} SteamState_R4;
+
+typedef struct SteamState_struct{
+	char region;
+	union{
+		SteamState_R1 R1;
+		SteamState_R2 R2;
+		SteamState_R3 R3;
+		SteamState_R4 R4;
+	} valueR;
+} SteamState;
+
+FREESTEAM_DLL int freesteam_region(SteamState S);
+
+FREESTEAM_DLL SteamState freesteam_region1_set_pT(double p, double T);
+FREESTEAM_DLL SteamState freesteam_region2_set_pT(double p, double T);
+FREESTEAM_DLL SteamState freesteam_region3_set_rhoT(double rho, double T);
+FREESTEAM_DLL SteamState freesteam_region4_set_Tx(double T, double x);
+
+FREESTEAM_DLL int freesteam_fprint(FILE *f, SteamState S);
+
+#if 0
+# define FREESTEAM_DEBUG(NAME,STATE)\
+	fprintf(stderr,"%s (%s:%d): %s ",__func__,__FILE__,__LINE__,NAME);\
+	freesteam_fprint(stderr,S);
+#else
+# define FREESTEAM_DEBUG(NAME,STATE)
+#endif
+
+typedef double SteamPropertyFunction(SteamState S);
+
+FREESTEAM_DLL double freesteam_p(SteamState S);
+FREESTEAM_DLL double freesteam_T(SteamState S);
+FREESTEAM_DLL double freesteam_rho(SteamState S);
+FREESTEAM_DLL double freesteam_v(SteamState S);
+FREESTEAM_DLL double freesteam_u(SteamState S);
+FREESTEAM_DLL double freesteam_h(SteamState S);
+FREESTEAM_DLL double freesteam_s(SteamState S);
+FREESTEAM_DLL double freesteam_cp(SteamState S);
+FREESTEAM_DLL double freesteam_cv(SteamState S);
+FREESTEAM_DLL double freesteam_w(SteamState S);
+
+FREESTEAM_DLL double freesteam_x(SteamState S);
+
+FREESTEAM_DLL double freesteam_mu(SteamState S);
+FREESTEAM_DLL double freesteam_k(SteamState S);
+
+#endif
+
+