Remove unusable CHEMKIN_COMPATIBILITY_MODE macro

include/cantera/base/ct_defs.h

@@ -30,8 +30,6 @@
 namespace Cantera
 {
 
-#undef CHEMKIN_COMPATIBILITY_MODE
-
 //! Creates a pointer to the start of the raw data for a vector
 #ifndef DATA_PTR
 #define DATA_PTR(vec) &vec[0]

include/cantera/transport/MultiTransport.h

@@ -8,10 +8,6 @@
 #ifndef CT_MULTITRAN_H
 #define CT_MULTITRAN_H
 
-// Define this for better agreement with Chemkin TRANLIB results, even
-// if the results are less correct.
-//#undef CHEMKIN_COMPATIBILITY_MODE
-
 // Cantera includes
 #include "GasTransport.h"
 #include "cantera/numerics/DenseMatrix.h"

src/transport/L_matrix.h

@@ -17,11 +17,7 @@ const doublereal Min_C_Internal = 0.001;
 
 bool MultiTransport::hasInternalModes(size_t j)
 {
-#ifdef CHEMKIN_COMPATIBILITY_MODE
-    return (m_crot[j] > Min_C_Internal);
-#else
     return (m_cinternal[j] > Min_C_Internal);
-#endif
 }
 
 void MultiTransport::eval_L0000(const doublereal* const x)

src/transport/MultiTransport.cpp

@@ -165,9 +165,6 @@ void MultiTransport::solveLMatrixEquation()
     // all *monatomic* species are excluded. Since monatomic
     // radicals can have non-zero internal heat capacities due to
     // electronic excitation, they should be retained.
-    //
-    // But if CHEMKIN_COMPATIBILITY_MODE is defined, then all
-    // monatomic species are excluded.
 
     for (size_t k = 0; k < m_nsp; k++) {
         if (!hasInternalModes(k)) {