CCS/AWR1642: question about MmwDemo_gen_twiddle_fft32x32_fast() function

Part Number:AWR1642

Tool/software: Code Composer Studio

hi

i wanna do 1024 point's fft ; and i used the function which named  MmwDemo_gen_twiddle_fft32x32_fast to generated twiddle;such as

MmwDemo_gen_twiddle_fft32x32_fast((int32_t*) obj->teiddle32x32_2D , 1024 , 2147483647.5);

but the result of fft in AWR1642 is diffrent with the result of matlab when input data is same.

so is this have some problem? please help me to check;

is this scale have effective

br

havi