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()
161     return (fx32)(((fx64)tmp1 + tmp2) >> FX64_SHIFT);  in VEC_Fx16DotProduct()
184     x = (fx32)(((fx64)a->y * b->z - (fx64)a->z * b->y + (1 << (FX64_SHIFT - 1))) >> FX64_SHIFT);  in VEC_CrossProduct()
186     y = (fx32)(((fx64)a->z * b->x - (fx64)a->x * b->z + (1 << (FX64_SHIFT - 1))) >> FX64_SHIFT);  in VEC_CrossProduct()
188     z = (fx32)(((fx64)a->x * b->y - (fx64)a->y * b->x + (1 << (FX64_SHIFT - 1))) >> FX32_SHIFT);  in VEC_CrossProduct()
242     fx64    t;  in VEC_Mag()
248     t = (fx64)pSrc->x * pSrc->x;  in VEC_Mag()
249     t += (fx64)pSrc->y * pSrc->y;  in VEC_Mag()
250     t += (fx64)pSrc->z * pSrc->z;  in VEC_Mag()
271     fx64    t;  in VEC_Fx16Mag()
302     fx64    t;  in VEC_Normalize()
309     t = (fx64)pSrc->x * pSrc->x;  in VEC_Normalize()
310     t += (fx64)pSrc->y * pSrc->y;  in VEC_Normalize()
311     t += (fx64)pSrc->z * pSrc->z;      // in s39.24 format  in VEC_Normalize()
342     fx64    t;  in VEC_Fx16Normalize()
385     pDest->x = v2->x + (fx32)(((fx64)a * v1->x) >> FX32_SHIFT);  in VEC_MultAdd()
386     pDest->y = v2->y + (fx32)(((fx64)a * v1->y) >> FX32_SHIFT);  in VEC_MultAdd()
387     pDest->z = v2->z + (fx32)(((fx64)a * v1->z) >> FX32_SHIFT);  in VEC_MultAdd()
409     pDest->x = -v2->x + (fx32)(((fx64)a * v1->x) >> FX32_SHIFT);  in VEC_MultSubtract()
410     pDest->y = -v2->y + (fx32)(((fx64)a * v1->y) >> FX32_SHIFT);  in VEC_MultSubtract()
411     pDest->z = -v2->z + (fx32)(((fx64)a * v1->z) >> FX32_SHIFT);  in VEC_MultSubtract()
427     fx64    tmp;  in VEC_Distance()
434     tmp = (fx64)diff *diff;  in VEC_Distance()
437     tmp += (fx64)diff *diff;  in VEC_Distance()
440     tmp += (fx64)diff *diff;  in VEC_Distance()
460     fx64    tmp;  in VEC_Fx16Distance()