From 46a8b3052f2a1f337738d2d1fca2b8a5a2af7ca8 Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Wed, 26 Dec 2012 23:56:07 +0000
Subject: [PATCH] Use size_t instead of int in InterfaceKinetics

---
 include/cantera/kinetics/InterfaceKinetics.h |  6 +++---
 src/kinetics/InterfaceKinetics.cpp           | 12 ++++++------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/include/cantera/kinetics/InterfaceKinetics.h b/include/cantera/kinetics/InterfaceKinetics.h
index fe51c45c4..331514ca5 100644
--- a/include/cantera/kinetics/InterfaceKinetics.h
+++ b/include/cantera/kinetics/InterfaceKinetics.h
@@ -573,7 +573,7 @@ public:
      *  @param iphase  Index of the phase. This is the order within the internal thermo vector object
      *  @param isStable Flag indicating whether the phase is stable or not
      */
-    void setPhaseStability(const int iphase, const int isStable);
+    void setPhaseStability(const size_t iphase, const int isStable);
 
     //! Gets the phase existence int for the ith phase
     /*!
@@ -582,7 +582,7 @@ public:
      * @return Returns the int specifying whether the kinetics object thinks the phase exists
      *         or not. If it exists, then species in that phase can be a reactant in reactions.
      */
-    int phaseExistence(const int iphase) const;
+    int phaseExistence(const size_t iphase) const;
 
     //! Gets the phase stability int for the ith phase
     /*!
@@ -593,7 +593,7 @@ public:
      *         If it stable, then the kinetics object will allow for rates of production of
      *         of species in that phase that are positive.
      */
-    int phaseStability(const int iphase) const;
+    int phaseStability(const size_t iphase) const;
 
 
 protected:
diff --git a/src/kinetics/InterfaceKinetics.cpp b/src/kinetics/InterfaceKinetics.cpp
index 1fdc0394f..cc49853c0 100644
--- a/src/kinetics/InterfaceKinetics.cpp
+++ b/src/kinetics/InterfaceKinetics.cpp
@@ -1371,9 +1371,9 @@ void InterfaceKinetics::setPhaseExistence(const size_t iphase, const int exists)
  * @return Returns the int specifying whether the kinetics object thinks the phase exists
  *         or not. If it exists, then species in that phase can be a reactant in reactions.
  */
-int InterfaceKinetics::phaseExistence(const int iphase) const
+int InterfaceKinetics::phaseExistence(const size_t iphase) const
 {
-    if (iphase < 0 || iphase >= (int) m_thermo.size()) {
+    if (iphase >= m_thermo.size()) {
         throw CanteraError("InterfaceKinetics:phaseExistence()", "out of bounds");
     }
     return m_phaseExists[iphase];
@@ -1388,18 +1388,18 @@ int InterfaceKinetics::phaseExistence(const int iphase) const
  *         If it stable, then the kinetics object will allow for rates of production of
  *         of species in that phase that are positive.
  */
-int InterfaceKinetics::phaseStability(const int iphase) const
+int InterfaceKinetics::phaseStability(const size_t iphase) const
 {
-    if (iphase < 0 || iphase >= (int) m_thermo.size()) {
+    if (iphase >= m_thermo.size()) {
         throw CanteraError("InterfaceKinetics:phaseStability()", "out of bounds");
     }
     return m_phaseIsStable[iphase];
 }
 //================================================================================================
 
-void InterfaceKinetics::setPhaseStability(const int iphase, const int isStable)
+void InterfaceKinetics::setPhaseStability(const size_t iphase, const int isStable)
 {
-    if (iphase < 0 || iphase >= (int) m_thermo.size()) {
+    if (iphase >= m_thermo.size()) {
         throw CanteraError("InterfaceKinetics:setPhaseStability", "out of bounds");
     }
     if (isStable) {