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%module default_arg_values
%inline %{
#ifdef SWIG
// Some compilers warn about 'float v = NULL', so only SWIG sees this peculiarity
// Bad Python wrappers were being generated when NULL used for primitive type
# define NULL_FOR_FLOAT NULL
#else
# define NULL_FOR_FLOAT 0
#endif
struct Display {
float draw1(float v = NULL_FOR_FLOAT) { return v; }
float draw2(float *v = NULL_FOR_FLOAT) { return v ? *v : 0; }
int draw3(int index = 0, const bool interpolate = true) { return interpolate ? index : -index; }
int draw4(bool const& interpolate = true) { return interpolate ? 1 : -1; }
bool bool0(bool x = 0) { return x; }
bool bool1(bool x = 1) { return x; }
typedef bool mybool;
bool mybool0(mybool x = 0) { return x; }
bool mybool1(mybool x = 1) { return x; }
};
float* createPtr(float v) { static float val; val = v; return &val; }
%}
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