diff options
Diffstat (limited to 'src/lib/tng_io.c')
| -rw-r--r-- | src/lib/tng_io.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/src/lib/tng_io.c b/src/lib/tng_io.c index deb58d1..c97a3fb 100644 --- a/src/lib/tng_io.c +++ b/src/lib/tng_io.c @@ -7941,6 +7941,7 @@ tng_function_status tng_frame_particle_data_write(tng_trajectory_t tng_data, int64_t output_file_len, n_values_per_frame, size, contents_size; int64_t header_size, temp_first, temp_last, temp_current; int64_t mapping_block_end_pos, num_first_particle, block_n_particles; + int64_t i; tng_gen_block_t block; tng_trajectory_frame_set_t frame_set; FILE *temp = tng_data->input_file; @@ -7948,6 +7949,7 @@ tng_function_status tng_frame_particle_data_write(tng_trajectory_t tng_data, tng_function_status stat; tng_particle_mapping_t mapping; char dependency, sparse_data, datatype; + void *copy; if(tng_output_file_init(tng_data, FALSE) != TNG_SUCCESS) { @@ -8264,8 +8266,40 @@ tng_function_status tng_frame_particle_data_write(tng_trajectory_t tng_data, fseek(tng_data->output_file, file_pos, SEEK_CUR); - fwrite(values, val_n_particles * n_values_per_frame, size, - tng_data->output_file); + /* If the endianness is not big endian the data needs to be swapped */ + if((data.datatype == TNG_INT_DATA || + data.datatype == TNG_DOUBLE_DATA) && + tng_data->endianness_64 != TNG_BIG_ENDIAN_64) + { + copy = malloc(val_n_particles * n_values_per_frame * size); + memcpy(copy, values, val_n_particles * n_values_per_frame * size); + for(i = 0; i < val_n_particles * n_values_per_frame; i++) + { + tng_swap_byte_order_64(tng_data, ©[i*size]); + } + fwrite(copy, val_n_particles * n_values_per_frame, size, + tng_data->output_file); + free(copy); + } + else if(data.datatype == TNG_FLOAT_DATA && + tng_data->endianness_32 != TNG_BIG_ENDIAN_32) + { + copy = malloc(val_n_particles * n_values_per_frame * size); + memcpy(copy, values, val_n_particles * n_values_per_frame * size); + for(i = 0; i < val_n_particles * n_values_per_frame; i++) + { + tng_swap_byte_order_32(tng_data, ©[i*size]); + } + fwrite(copy, val_n_particles * n_values_per_frame, size, + tng_data->output_file); + free(copy); + } + + else + { + fwrite(values, val_n_particles * n_values_per_frame, size, + tng_data->output_file); + } fflush(tng_data->output_file); /* If the last frame has been written update the hash */ |