rom.h

这个包里面包含了对Cordic算法的基本函数实现。通过Dformat类来控制系统的数据格式

// stored angle-table

#ifndef ROM_DECLARE
#define ROM_DECLARE

// ATTENTION: TABLE_SIZE CAN'T BE GREATER THAT 32
#define TABLE_SIZE 32+1
// accuracy check
#define ACCURACY 0.5

double ROMatan[ TABLE_SIZE ] = {
	7.853981633974483e-001,
	4.636476090008061e-001,
	2.449786631268641e-001,
	1.243549945467614e-001,
	6.241880999595735e-002,
	3.123983343026828e-002,
	1.562372862047683e-002,
	7.812341060101111e-003,
	3.906230131966972e-003,
	1.953122516478819e-003,
	9.765621895593195e-004,
	4.882812111948983e-004,
	2.441406201493618e-004,
	1.220703118936702e-004,
	6.103515617420877e-005,
	3.051757811552610e-005,
	1.525878906131576e-005,
	7.629394531101970e-006,
	3.814697265606496e-006,
	1.907348632810187e-006,
	9.536743164059608e-007,
	4.768371582030888e-007,
	2.384185791015580e-007,
	1.192092895507807e-007,
	5.960464477539055e-008,
	2.980232238769530e-008,
	1.490116119384766e-008,
	7.450580596923828e-009,
	3.725290298461914e-009,
	1.862645149230957e-009,
	9.313225746154785e-010,
	4.656612873077393e-010,
	2.328306436538696e-010
};

double ROMatanh[ TABLE_SIZE ] = {
	0,
	5.493061443340549e-001,
	2.554128118829954e-001,
	1.256572141404530e-001,
	6.258157147700301e-002,
	3.126017849066700e-002,
	1.562627175205221e-002,
	7.812658951540421e-003,
	3.906269868396826e-003,
	1.953127483532550e-003,
	9.765628104410359e-004,
	4.882812888051129e-004,
	2.441406298506386e-004,
	1.220703131063298e-004,
	6.103515632579122e-005,
	3.051757813447390e-005,
	1.525878906368424e-005,
	7.629394531398029e-006,
	3.814697265643503e-006,
	1.907348632814813e-006,
	9.536743164065391e-007,
	4.768371582031611e-007,
	2.384185791015670e-007,
	1.192092895507818e-007,
	5.960464477539069e-008,
	2.980232238769532e-008,
	1.490116119384766e-008,
	7.450580596923828e-009,
	3.725290298461914e-009,
	1.862645149230957e-009,
	9.313225746154785e-010,
	4.656612873077393e-010,
	2.328306436538696e-010
};

#endif