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AP_Param: make the templating code a bit clearer 

add comments on the arguments, and name them in a clearer way
This commit is contained in:
Andrew Tridgell 2012-02-27 10:22:29 +11:00
parent 6bd3aec55f
commit 7fe4a41c31
1 changed files with 16 additions and 3 deletions
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19
libraries/AP_Common/AP_Param.h
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@ -434,17 +434,30 @@ protected:
/// Convenience macro for defining instances of the AP_ParamT template.
///
#define AP_PARAMDEF(_t, _n, _pt) typedef AP_ParamT<_t, _pt> AP_##_n;
// declare a scalar type
// _t is the base type
// _suffix is the suffix on the AP_* type name
// _pt is the enum ap_var_type type
#define AP_PARAMDEF(_t, _suffix, _pt) typedef AP_ParamT<_t, _pt> AP_##_suffix;
AP_PARAMDEF(float, Float, AP_PARAM_FLOAT); // defines AP_Float
AP_PARAMDEF(int8_t, Int8, AP_PARAM_INT8); // defines AP_Int8
AP_PARAMDEF(int16_t, Int16, AP_PARAM_INT16); // defines AP_Int16
AP_PARAMDEF(int32_t, Int32, AP_PARAM_INT32); // defines AP_Int32
#define AP_PARAMDEFA(_t, _n, _size, _pt) typedef AP_ParamA<_t, _size, _pt> AP_##_n;
// declare an array type
// _t is the base type
// _suffix is the suffix on the AP_* type name
// _size is the size of the array
// _pt is the enum ap_var_type type
#define AP_PARAMDEFA(_t, _suffix, _size, _pt) typedef AP_ParamA<_t, _size, _pt> AP_##_suffix;
AP_PARAMDEFA(float, Vector6f, 6, AP_PARAM_VECTOR6F);
// declare a non-scalar type
// this is used in AP_Math.h
#define AP_PARAMDEFV(_t, _n, _pt) typedef AP_ParamV<_t, _pt> AP_##_n;
// _t is the base type
// _suffix is the suffix on the AP_* type name
// _pt is the enum ap_var_type type
#define AP_PARAMDEFV(_t, _suffix, _pt) typedef AP_ParamV<_t, _pt> AP_##_suffix;
/// Rely on built in casting for other variable types
/// to minimize template creation and save memory