#include <fix_base.h>
Public Member Functions | |
| Fix_Base (int s=0, int w=MAX_WORDLEN, e_mode e=TC, o_mode o=WRAP, q_mode q=TRN, Stat *ptr=0) | |
| Default constructor. | |
| Fix_Base (const Fix_Base &x) | |
| Copy constructor. | |
| virtual | ~Fix_Base () |
| Destructor. | |
| void | set_shift (int s) |
| Set shift (without shifting). | |
| int | get_shift () const |
| Get shift. | |
| int | get_wordlen () const |
| Get word length. | |
| e_mode | get_e_mode () const |
| Get sign encoding mode. | |
| o_mode | get_o_mode () const |
| Get overflow mode. | |
| q_mode | get_q_mode () const |
| Get quantization mode. | |
| output_mode | get_output_mode () const |
| Get output mode. | |
| fixrep | get_max () const |
| Get maximum value of data representation. | |
| fixrep | get_min () const |
| Get minimum value of data representation. | |
| virtual void | print () const |
| Print restrictions. | |
Static Public Member Functions | |
| static void | set_output_mode (output_mode o) |
| Set output mode to OUTPUT_FIX, OUTPUT_FIX_SHIFT, OUTPUT_FLOAT or OUTPUT_FLOAT_SHIFT. Static member function. | |
| static void | set_output_mode (std::string o) |
| Set output mode to "OUTPUT_FIX", "OUTPUT_FIX_SHIFT", "OUTPUT_FLOAT" or "OUTPUT_FLOAT_SHIFT". Static member function. | |
Protected Member Functions | |
| void | init () |
| Calculate help variables min, max and n_unused_bits. | |
| fixrep | apply_o_mode (fixrep x) const |
Handle overflows using overflow mode omode and make call to statistics object (if any). | |
| fixrep | scale_and_apply_modes (double x) const |
Convert from double to fixrep using shift and quantization mode qmode, then call limit(). | |
| fixrep | scale_and_apply_modes (double x, q_mode q) const |
Convert from double to fixrep using shift and quantization mode q, then call limit(). | |
| fixrep | rshift_and_apply_q_mode (fixrep x, int n) const |
Right shift n bits using quantization mode qmode and make call to statistics object (if any). | |
| fixrep | rshift_and_apply_q_mode (fixrep x, int n, q_mode q) const |
Right shift n bits using quantization mode q and make call to statistics object (if any). | |
Protected Attributes | |
| int | shift |
| Accumulated bitshift (positive means left-shifted, negative means right-shifted). | |
| int | wordlen |
| Word length. | |
| e_mode | emode |
| Sign encoding mode. | |
| o_mode | omode |
| Overflow mode. | |
| q_mode | qmode |
| Quantization mode. | |
| Stat * | stat_ptr |
| Pointer to statistics object. | |
| fixrep | min |
| Minimum allowed value (help variable to speed up calculations). | |
| fixrep | max |
| Maximum allowed value (help variable to speed up calculations). | |
| int | n_unused_bits |
| Number of unused (MSB) bits (help variable to speed up calculations). | |
See the Detailed Description in the Fixed-point Module module.
1.5.8