int test_csv_IO()
{
double x[10];
double y[10];
double z[10];
double mat[30];
int i,j;
FILE* csvfile;
/* write a csv file */
csvfile=fopen("csv_file.dat","w");
for(i=0;i<10;++i)
{
x[i]=(double)i;
y[i]=(double)i*2;
z[i]=(double)i*3;
}
write_csv_file(csvfile,10,x);
write_csv_file(csvfile,10,y);
write_csv_file(csvfile,10,z);
fclose(csvfile);
/* read the csv file */
for(i=0;i<30;++i)
{
mat[i]=0;
}
csvfile=fopen("csv_file.dat","r");
read_csv_file(csvfile,3,10,mat);
/* test if they are equal */
for(i=0;i<3;++i)
{
for(j=0;j<10;++j)
{
if(mat[i*(int)10+j] != (double)j*(i+1) )
return EXIT_FAILURE;
}
}
fclose(csvfile);
return EXIT_SUCCESS;
}
void main() {
char *inputBuffer;
char *outputBuffer;
size_t inputSize = load_csv_to_buffer(INPUT_FILEPATH,
&inputBuffer);
outputBuffer = malloc(NUM_COORDINATES * MAX_OUTPUT_LINE_SIZE *
sizeof(char));
// convert the csv file
size_t outputSize = convert_to_csv(inputBuffer, &outputBuffer);
write_csv_file(OUTPUT_FILEPATH, outputBuffer,
outputSize);
printf("%s", outputBuffer);
free(inputBuffer);
free(outputBuffer);
}
int main() {
char *fileBuffer;
char *csvBuffer;
size_t fileLength = load_plt_to_buffer("000/20081023025304.plt", &fileBuffer);
// printf("%s", fileBuffer);
int numCoordinates = count_GPS_coordinates(fileBuffer);
csvBuffer = malloc(numCoordinates * MAX_LINE_SIZE * sizeof(char));
int fileSize = convert_to_csv(fileBuffer, numCoordinates, &csvBuffer);
write_csv_file(csvBuffer, fileSize);
printf("%s", csvBuffer);
free(fileBuffer);
free(csvBuffer);
return 0;
}
void write_diag_data_to_file(hanson_data* diag_data,const char* file_name)
{
int i;
double* num_samples;
double* mean;
double* std_dvn;
FILE *outfile;
outfile=fopen(file_name,"w");
/* assign memory */
num_samples=(double*)malloc(diag_data->num_dims*sizeof(double));
mean=(double*)malloc(diag_data->num_dims*sizeof(double));
std_dvn=(double*)malloc(diag_data->num_dims*sizeof(double));
/* calculate the mean and standard deviation */
for(i=0;i<diag_data->num_dims;++i)
{
num_samples[i]=(double)diag_data->num_ents;
mean[i]=diag_data->sum_x[i]/num_samples[i];
std_dvn[i]=sqrt(diag_data->sum_x2[i]/num_samples[i]-mean[i]*mean[i]);
}
/* write the data */
write_csv_file(outfile,diag_data->num_dims,diag_data->start_point);
write_csv_file(outfile,diag_data->num_dims,diag_data->sum_x);
write_csv_file(outfile,diag_data->num_dims,diag_data->sum_x2);
write_csv_file(outfile,diag_data->num_dims,diag_data->sum_x3dpsi);
write_csv_file(outfile,diag_data->num_dims,diag_data->sum_x2dpsi);
write_csv_file(outfile,diag_data->num_dims,diag_data->sum_xdpsi);
write_csv_file(outfile,diag_data->num_dims,diag_data->sum_dpsi);
write_csv_file(outfile,diag_data->num_dims,num_samples);
write_csv_file(outfile,diag_data->num_dims,diag_data->hanson);
write_csv_file(outfile,diag_data->num_dims,mean);
write_csv_file(outfile,diag_data->num_dims,std_dvn);
/* free memory */
free(num_samples);
free(mean);
free(std_dvn);
fclose(outfile);
}
