89     r->w = p->w + q->w;  in C_QUATAdd()
145     r->w = p->w - q->w;  in C_QUATSubtract()
211     r->w = p->w*q->w - p->x*q->x - p->y*q->y - p->z*q->z;  in C_QUATMultiply()
212     r->x = p->w*q->x + p->x*q->w + p->y*q->z - p->z*q->y;  in C_QUATMultiply()
213     r->y = p->w*q->y + p->y*q->w + p->z*q->x - p->x*q->z;  in C_QUATMultiply()
214     r->z = p->w*q->z + p->z*q->w + p->x*q->y - p->y*q->x;  in C_QUATMultiply()
317     r->w = q->w * scale;  in C_QUATScale()
365     return (q->x*p->x + q->y*p->y + q->z*p->z + q->w*p->w);  in C_QUATDotProduct()
415     mag = (src->x * src->x) + (src->y * src->y) + (src->z * src->z) + (src->w * src->w);  in C_QUATNormalize()
424         unit->w = src->w * mag;  in C_QUATNormalize()
428         unit->x = unit->y = unit->z = unit->w = 0.0F;      in C_QUATNormalize()
506     mag = ( src->x*src->x + src->y*src->y + src->z*src->z + src->w*src->w );  in C_QUATInverse()
518     inv->w =  src->w * norminv;  in C_QUATInverse()
652     ASSERTMSG( ( q->w == 0.0F ), QUAT_EXP_3 );  in C_QUATExp()
663     r->w = (f32)cosf(theta);  in C_QUATExp()
699     theta = atan2f( scale, q->w );  in C_QUATLogN()
707     r->w = 0.0F;  in C_QUATLogN()
731     dot =  q->x*qto->x + q->y*qto->y + q->z*qto->z + q->w*qto->w;  in C_QUATMakeClosest()
738         r->w = -q->w;  in C_QUATMakeClosest()
775     r->w = ch;  in C_QUATRotAxisRad()
803         r->w = s * 0.5f;  in C_QUATMtx()
822         r->w = (m[k][j] - m[j][k]) * s;  in C_QUATMtx()
854     r->w = t * ( q->w - p->w ) + p->w;  in C_QUATLerp()
878     cos_th = p->x * q->x + p->y * q->y + p->z * q->z + p->w * q->w;  in C_QUATSlerp()
904     r->w = tp * p->w + tq * q->w;  in C_QUATSlerp()