46   double time,min_time,max_time,min_inh,max_inh;
 
   48   FILE *fp,*fout,*fi,*finh,*ftime;
 
   50   int flags = PRE_PHI_HUT| PRE_PSI |MALLOC_X| MALLOC_F_HAT|
 
   51                       MALLOC_F| FFTW_INIT| FFT_OUT_OF_PLACE|
 
   52                       FFTW_MEASURE| FFTW_DESTROY_INPUT;
 
   60   ftime=fopen(
"readout_time.dat",
"r");
 
   61   finh=fopen(
"inh.dat",
"r");
 
   63   min_time=INT_MAX; max_time=INT_MIN;
 
   66     fscanf(ftime,
"%le ",&time);
 
   75   Ts=(min_time+max_time)/2.0;
 
   77   min_inh=INT_MAX; max_inh=INT_MIN;
 
   80     fscanf(finh,
"%le ",&w);
 
   88   N3=ceil((
NFFT_MAX(fabs(min_inh),fabs(max_inh))*(max_time-min_time)/2.0+m/(2*sigma))*4*sigma);
 
   90   W= 
NFFT_MAX(fabs(min_inh),fabs(max_inh))/(0.5-((double)m)/N3);
 
   92   my_N[0]=N; my_n[0]=ceil(N*sigma);
 
   93   my_N[1]=N; my_n[1]=ceil(N*sigma);
 
   94   my_N[2]=N3; my_n[2]=ceil(N3*sigma);
 
   97   mri_inh_3d_init_guru(&my_plan, my_N, M, my_n, m, sigma, flags,
 
   98                       FFTW_MEASURE| FFTW_DESTROY_INPUT);
 
  100   ftime=fopen(
"readout_time.dat",
"r");
 
  101   fp=fopen(
"knots.dat",
"r");
 
  105     fscanf(fp,
"%le %le",&my_plan.plan.
x[3*j+0],&my_plan.plan.
x[3*j+1]);
 
  106     fscanf(ftime,
"%le ",&my_plan.plan.
x[3*j+2]);
 
  107     my_plan.plan.
x[3*j+2] = (my_plan.plan.
x[3*j+2]-Ts)*W/N3;
 
  112   finh=fopen(
"inh.dat",
"r");
 
  115     fscanf(finh,
"%le ",&my_plan.w[j]);
 
  121   fi=fopen(
"input_f.dat",
"r");
 
  124     fscanf(fi,
"%le ",&real);
 
  125     my_plan.
f_hat[j] = real*cexp(2.0*_Complex_I*
PI*Ts*my_plan.w[j]*W);
 
  129     nfft_precompute_psi(&my_plan.plan);
 
  131   mri_inh_3d_trafo(&my_plan);
 
  133   fout=fopen(file,
"w");
 
  137     fprintf(fout,
"%le %le %le %le\n",my_plan.plan.
x[3*j+0],my_plan.plan.
x[3*j+1],creal(my_plan.
f[j]),cimag(my_plan.
f[j]));
 
  142   mri_inh_3d_finalize(&my_plan);
 
  145 int main(
int argc, 
char **argv)
 
  148     printf(
"usage: ./construct_data_inh_3d FILENAME N M\n");
 
  152   construct(argv[1],atoi(argv[2]),atoi(argv[3]));