unresolved symbol __IQ24div, first referenced in

Hi

if I am use this macro than

Description Resource Path Location Type
unresolved symbol __IQ24div, first referenced in ./main.obj HVACI_Ver0_1    C/C++ Problem

#define VHZ_PROF_MACRO(v) \

/* Take absolute frequency to allow the operation of both rotational directions */ \

v.AbsFreq = labs(v.Freq); \

if (v.AbsFreq <= v.LowFreq) \

/* Compute output voltage in profile #1 */ \

v.VoltOut = v.VoltMin; \

else if ((v.AbsFreq > v.LowFreq)&&(v.AbsFreq <= v.HighFreq)) \

{ \

/* Compute slope of V/f profile */ \

v.VfSlope = _IQdiv((v.VoltMax - v.VoltMin),(v.HighFreq - v.LowFreq)); \

/* Compute output voltage in profile #2 */ \

v.VoltOut = v.VoltMin + _IQmpy(v.VfSlope,(v.AbsFreq-v.LowFreq)); \

} \

else if ((v.AbsFreq > v.HighFreq)&&(v.AbsFreq < v.FreqMax)) \

/* Compute output voltage in profile #3 */ \

v.VoltOut = v.VoltMax;