Find a number out of a given Integer array. It can return the closest, smaller and larger number to the integer requested.
find_number.cpp
- Committer:
- O_Shovah
- Date:
- 2017-12-16
- Revision:
- 6:4f4e609a6877
- Parent:
- 5:196eba643b4c
- Child:
- 7:2b1e34741392
File content as of revision 6:4f4e609a6877:
/** * Includes */ #include "find_number.h" find_number::find_number(int32_t *selectable_values, int32_t cells_in_array) { selectable_values_array = selectable_values; searched_array_size = cells_in_array; } int32_t find_number::find_closest(int32_t target_value) { int32_t difference = abs( target_value - *selectable_values_array); int32_t closest_integer = selectable_values_array[0]; for (int32_t cell = 0; cell < searched_array_size; cell++) { if (difference > abs( target_value - selectable_values_array[cell] )) { difference = abs( target_value - selectable_values_array[cell]); closest_integer = selectable_values_array[cell]; } } return closest_integer; } int32_t find_number::find_larger(int32_t target_value) { int32_t larger_integer = 0; for (int32_t cell=0; cell<searched_array_size; cell++) { for (int32_t next_cell = cell+1; next_cell < searched_array_size; next_cell++) { if (selectable_values_array[cell] <= target_value && target_value <= selectable_values_array[next_cell]) { larger_integer = selectable_values_array[next_cell]; if(selectable_values_array[next_cell] > larger_integer) larger_integer = selectable_values_array[next_cell]; if(selectable_values_array[cell] > larger_integer) larger_integer = selectable_values_array[cell]; if(selectable_values_array[cell] == target_value) larger_integer = selectable_values_array[cell]; if(selectable_values_array[next_cell] == target_value) larger_integer = selectable_values_array[next_cell]; break; } if(selectable_values_array[0] > target_value) larger_integer = selectable_values_array[0]; } } return larger_integer; } int32_t find_number::find_smaller(int32_t target_value) { int32_t smaller_integer = 0; for (int32_t cell=0; cell<searched_array_size; cell++) { for (int32_t next_cell = cell+1; next_cell < searched_array_size; next_cell++) { if (selectable_values_array[cell] <= target_value && target_value <= selectable_values_array[next_cell]) { smaller_integer = selectable_values_array[cell]; if(selectable_values_array[cell] < smaller_integer ) smaller_integer = selectable_values_array[cell]; if(selectable_values_array[next_cell] < smaller_integer) smaller_integer = selectable_values_array[next_cell]; if(selectable_values_array[cell] == target_value) smaller_integer = selectable_values_array[cell]; if(selectable_values_array[next_cell] == target_value) smaller_integer = selectable_values_array[next_cell]; break; } } } return smaller_integer; }