typedef struct { _iq As; // Input: phase-a stator variable
_iq Bs; // Input: phase-b stator variable
_iq Alpha; // Output: stationary d-axis stator variable
_iq Beta; // Output: stationary q-axis stator variable
void (*calc)(); // Pointer to calculation function
} CLARKE;
#define CLARKE_DEFAULTS {0,0,0,0,(void (*)(Uint32))clarke_calc}
void clarke_calc(CLARKE *v)
{
v->Alpha = v->As;
v->Beta = (v->As + 2*v->Bs)*0.57735026918963; // 1/sqrt(3) = 0.57735026918963
}
问题：上的Clarke变换中，v->Beta是Q格式还是浮点数啊？后面 *0.57735026918963这个不是浮点数嘛？
