138     return (fx32)(((fx64)a->x * b->x +  in VEC_DotProduct()
139                    (fx64)a->y * b->y + (fx64)a->z * b->z + (1 << (FX64_SHIFT - 1))) >> FX64_SHIFT);  in VEC_DotProduct()
155     fx64    tmp1, tmp2;  in VEC_Fx16DotProduct()
159     tmp1 = (fx64)(a->x * b->x) + (a->y * b->y);  in VEC_Fx16DotProduct()
160     tmp2 = (fx64)(a->z * b->z) + (1 << (FX64_SHIFT - 1));  in VEC_Fx16DotProduct()
179     fx64    x, y, z;  in VEC_CrossProduct()
184     x = ((fx64)a->y * b->z - (fx64)a->z * b->y + (1 << (FX64_SHIFT - 1))) >> FX64_SHIFT;  in VEC_CrossProduct()
185     y = ((fx64)a->z * b->x - (fx64)a->x * b->z + (1 << (FX64_SHIFT - 1))) >> FX64_SHIFT;  in VEC_CrossProduct()
186     z = ((fx64)a->x * b->y - (fx64)a->y * b->x + (1 << (FX64_SHIFT - 1))) >> FX64_SHIFT;  in VEC_CrossProduct()
252     t = (u64)((fx64)pSrc->x * pSrc->x);  in VEC_Mag()
253     t += (u64)((fx64)pSrc->y * pSrc->y);  in VEC_Mag()
254     t += (u64)((fx64)pSrc->z * pSrc->z);  in VEC_Mag()
279     fx64    t;  in VEC_Fx16Mag()
310     fx64    t;  in VEC_Normalize()
317     t = (fx64)pSrc->x * pSrc->x;  in VEC_Normalize()
318     t += (fx64)pSrc->y * pSrc->y;  in VEC_Normalize()
319     t += (fx64)pSrc->z * pSrc->z;      // in s39.24 format  in VEC_Normalize()
350     fx64    t;  in VEC_Fx16Normalize()
393     pDest->x = v2->x + (fx32)(((fx64)a * v1->x) >> FX32_SHIFT);  in VEC_MultAdd()
394     pDest->y = v2->y + (fx32)(((fx64)a * v1->y) >> FX32_SHIFT);  in VEC_MultAdd()
395     pDest->z = v2->z + (fx32)(((fx64)a * v1->z) >> FX32_SHIFT);  in VEC_MultAdd()
417     pDest->x = -v2->x + (fx32)(((fx64)a * v1->x) >> FX32_SHIFT);  in VEC_MultSubtract()
418     pDest->y = -v2->y + (fx32)(((fx64)a * v1->y) >> FX32_SHIFT);  in VEC_MultSubtract()
419     pDest->z = -v2->z + (fx32)(((fx64)a * v1->z) >> FX32_SHIFT);  in VEC_MultSubtract()
442     tmp = (u64)((fx64)diff *diff);  in VEC_Distance()
445     tmp += (u64)((fx64)diff *diff);  in VEC_Distance()
448     tmp += (u64)((fx64)diff *diff);  in VEC_Distance()