Fix const-ness of some function arguments

include/cantera/numerics/Func1.h

@@ -819,7 +819,7 @@ class Gaussian : public Func1
 class Poly1 : public Func1
 {
 public:
-    Poly1(size_t n, doublereal* c) :
+    Poly1(size_t n, const double* c) :
         Func1() {
         m_cpoly.resize(n+1);
         std::copy(c, c+m_cpoly.size(), m_cpoly.begin());
@@ -870,8 +870,8 @@ class Poly1 : public Func1
 class Fourier1 : public Func1
 {
 public:
-    Fourier1(size_t n, doublereal omega, doublereal a0,
-             doublereal* a, doublereal* b) :
+    Fourier1(size_t n, double omega, double a0,
+             const double* a, const double* b) :
         Func1() {
         m_omega = omega;
         m_a0_2 = 0.5*a0;
@@ -930,7 +930,7 @@ class Fourier1 : public Func1
 class Arrhenius1 : public Func1
 {
 public:
-    Arrhenius1(size_t n, doublereal* c) :
+    Arrhenius1(size_t n, const double* c) :
         Func1() {
         m_A.resize(n);
         m_b.resize(n);

include/cantera/oneD/Sim1D.h

@@ -112,7 +112,7 @@ class Sim1D : public OneDim
         return m_x.data();
     }
 
-    void setTimeStep(doublereal stepsize, size_t n, integer* tsteps);
+    void setTimeStep(double stepsize, size_t n, const int* tsteps);
 
     void solve(int loglevel = 0, bool refine_grid = true);
 

include/cantera/zeroD/FlowDevice.h

@@ -81,7 +81,7 @@ class FlowDevice
     //! set parameters. Generic function used only in the Matlab interface. From
     //! Python or C++, device-specific functions like Valve::setPressureCoeff
     //! should be used instead.
-    virtual void setParameters(int n, doublereal* coeffs) {
+    virtual void setParameters(int n, const double* coeffs) {
         m_coeffs.resize(n);
         std::copy(coeffs, coeffs + n, m_coeffs.begin());
     }

src/oneD/Sim1D.cpp

@@ -201,7 +201,7 @@ void Sim1D::finalize()
     }
 }
 
-void Sim1D::setTimeStep(doublereal stepsize, size_t n, integer* tsteps)
+void Sim1D::setTimeStep(double stepsize, size_t n, const int* tsteps)
 {
     m_tstep = stepsize;
     m_steps.resize(n);