[Equil] Add vcs_VolPhase::eos_name; deprecate string16_EOSType

include/cantera/equil/vcs_VolPhase.h

@@ -492,6 +492,9 @@ public:
     //! Return the number of species in the phase
     size_t nSpecies() const;
 
+    //! Return the name corresponding to the equation of state
+    std::string eos_name() const;
+
 private:
     //! Evaluate the activity coefficients at the current conditions
     /*!
@@ -846,6 +849,7 @@ private:
 /*!
  * @param EOSType : integer value of the equation of state
  * @return a string representing the EOS. The string is no more than 16 characters.
+ * @deprecated Use vcs_VolPhase::eos_name instead. To be removed after Cantera 2.3.
  */
 std::string string16_EOSType(int EOSType);
 

src/equil/vcs_MultiPhaseEquil.cpp

@@ -970,10 +970,9 @@ int vcs_Cantera_to_vprob(MultiPhase* mphase, VCS_PROB* vprob)
 
         for (size_t iphase = 0; iphase < vprob->NPhase; iphase++) {
             vcs_VolPhase* VolPhase = vprob->VPhaseList[iphase];
-            std::string sEOS = string16_EOSType(VolPhase->m_eqnState);
             plogf("%16s %5d %5d %8d %16s %8d %16e ", VolPhase->PhaseName.c_str(),
                   VolPhase->VP_ID_, VolPhase->m_singleSpecies,
-                  VolPhase->m_gasPhase, sEOS.c_str(),
+                  VolPhase->m_gasPhase, VolPhase->eos_name(),
                   VolPhase->nSpecies(), VolPhase->totalMolesInert());
             plogf("%16e\n", VolPhase->totalMoles());
         }
@@ -1079,10 +1078,9 @@ int vcs_Cantera_update_vprob(MultiPhase* mphase, VCS_PROB* vprob)
 
         for (size_t iphase = 0; iphase < vprob->NPhase; iphase++) {
             vcs_VolPhase* VolPhase = vprob->VPhaseList[iphase];
-            std::string sEOS = string16_EOSType(VolPhase->m_eqnState);
             plogf("%16s %5d %5d %8d %16s %8d %16e ", VolPhase->PhaseName.c_str(),
                   VolPhase->VP_ID_, VolPhase->m_singleSpecies,
-                  VolPhase->m_gasPhase, sEOS.c_str(),
+                  VolPhase->m_gasPhase, VolPhase->eos_name(),
                   VolPhase->nSpecies(), VolPhase->totalMolesInert());
             plogf("%16e\n", VolPhase->totalMoles());
         }

src/equil/vcs_VolPhase.cpp

@@ -819,6 +819,8 @@ void vcs_VolPhase::setMolesCurrent(int stateCalc)
 
 std::string string16_EOSType(int EOSType)
 {
+    warn_deprecated("string16_EOSType", "Use vcs_VolPhase::eos_name instead."
+        " To be removed after Cantera 2.3.");
     char st[32];
     st[16] = '\0';
     switch (EOSType) {
@@ -1127,4 +1129,27 @@ size_t vcs_VolPhase::nSpecies() const
     return m_numSpecies;
 }
 
+std::string vcs_VolPhase::eos_name() const
+{
+    switch (m_eqnState) {
+    case VCS_EOS_CONSTANT:
+        return "Constant";
+    case VCS_EOS_IDEAL_GAS:
+        return "Ideal Gas";
+    case VCS_EOS_STOICH_SUB:
+        return "Stoich Sub";
+    case VCS_EOS_IDEAL_SOLN:
+        return "Ideal Soln";
+    case VCS_EOS_DEBEYE_HUCKEL:
+        return "Debeye Huckel";
+    case VCS_EOS_REDLICK_KWONG:
+        return "Redlick_Kwong";
+    case VCS_EOS_REGULAR_SOLN:
+        return "Regular Soln";
+    default:
+        return fmt::format("UnkType: {:7d}", m_eqnState);
+        break;
+    }
+}
+
 }

src/equil/vcs_prob.cpp

@@ -212,10 +212,9 @@ void VCS_PROB::prob_report(int print_lvl)
 
         for (size_t iphase = 0; iphase < NPhase; iphase++) {
             vcs_VolPhase* Vphase = VPhaseList[iphase];
-            std::string EOS_cstr = string16_EOSType(Vphase->m_eqnState);
             plogf("%16s %5d %5d %8d ", Vphase->PhaseName,
                   Vphase->VP_ID_, Vphase->m_singleSpecies, Vphase->m_gasPhase);
-            plogf("%16s %8d %16e ", EOS_cstr,
+            plogf("%16s %8d %16e ", Vphase->eos_name(),
                   Vphase->nSpecies(), Vphase->totalMolesInert());
             if (iest >= 0) {
                 plogf("%16e\n", Vphase->totalMoles());