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Diffstat (limited to 'py/modcmath.c')
| -rw-r--r-- | py/modcmath.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/py/modcmath.c b/py/modcmath.c new file mode 100644 index 0000000000..3f561e7f30 --- /dev/null +++ b/py/modcmath.c @@ -0,0 +1,131 @@ +#include <math.h> + +#include "misc.h" +#include "mpconfig.h" +#include "qstr.h" +#include "obj.h" +#include "builtin.h" + +#if MICROPY_ENABLE_FLOAT && MICROPY_ENABLE_MOD_CMATH + +// These are defined in modmath.c +extern const mp_obj_float_t mp_math_e_obj; +extern const mp_obj_float_t mp_math_pi_obj; + +mp_obj_t mp_cmath_phase(mp_obj_t z_obj) { + mp_float_t real, imag; + mp_obj_get_complex(z_obj, &real, &imag); + return mp_obj_new_float(MICROPY_FLOAT_C_FUN(atan2)(imag, real)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_cmath_phase_obj, mp_cmath_phase); + +mp_obj_t mp_cmath_polar(mp_obj_t z_obj) { + mp_float_t real, imag; + mp_obj_get_complex(z_obj, &real, &imag); + mp_obj_t tuple[2] = { + mp_obj_new_float(MICROPY_FLOAT_C_FUN(sqrt)(real*real + imag*imag)), + mp_obj_new_float(MICROPY_FLOAT_C_FUN(atan2)(imag, real)), + }; + return mp_obj_new_tuple(2, tuple); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_cmath_polar_obj, mp_cmath_polar); + +mp_obj_t mp_cmath_rect(mp_obj_t r_obj, mp_obj_t phi_obj) { + mp_float_t r = mp_obj_get_float(r_obj); + mp_float_t phi = mp_obj_get_float(phi_obj); + return mp_obj_new_complex(r * MICROPY_FLOAT_C_FUN(cos)(phi), r * MICROPY_FLOAT_C_FUN(sin)(phi)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_2(mp_cmath_rect_obj, mp_cmath_rect); + +mp_obj_t mp_cmath_exp(mp_obj_t z_obj) { + mp_float_t real, imag; + mp_obj_get_complex(z_obj, &real, &imag); + mp_float_t exp_real = MICROPY_FLOAT_C_FUN(exp)(real); + return mp_obj_new_complex(exp_real * MICROPY_FLOAT_C_FUN(cos)(imag), exp_real * MICROPY_FLOAT_C_FUN(sin)(imag)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_cmath_exp_obj, mp_cmath_exp); + +// TODO can take second argument, being the base +mp_obj_t mp_cmath_log(mp_obj_t z_obj) { + mp_float_t real, imag; + mp_obj_get_complex(z_obj, &real, &imag); + return mp_obj_new_complex(0.5 * MICROPY_FLOAT_C_FUN(log)(real*real + imag*imag), MICROPY_FLOAT_C_FUN(atan2)(imag, real)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_cmath_log_obj, mp_cmath_log); + +mp_obj_t mp_cmath_log10(mp_obj_t z_obj) { + mp_float_t real, imag; + mp_obj_get_complex(z_obj, &real, &imag); + return mp_obj_new_complex(0.5 * MICROPY_FLOAT_C_FUN(log10)(real*real + imag*imag), MICROPY_FLOAT_C_FUN(atan2)(imag, real)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_cmath_log10_obj, mp_cmath_log10); + +mp_obj_t mp_cmath_sqrt(mp_obj_t z_obj) { + mp_float_t real, imag; + mp_obj_get_complex(z_obj, &real, &imag); + mp_float_t sqrt_abs = MICROPY_FLOAT_C_FUN(pow)(real*real + imag*imag, 0.25); + mp_float_t theta = 0.5 * MICROPY_FLOAT_C_FUN(atan2)(imag, real); + return mp_obj_new_complex(sqrt_abs * cos(theta), sqrt_abs * sin(theta)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_cmath_sqrt_obj, mp_cmath_sqrt); + +mp_obj_t mp_cmath_cos(mp_obj_t z_obj) { + mp_float_t real, imag; + mp_obj_get_complex(z_obj, &real, &imag); + return mp_obj_new_complex(MICROPY_FLOAT_C_FUN(cos)(real) * MICROPY_FLOAT_C_FUN(cosh)(imag), -MICROPY_FLOAT_C_FUN(sin)(real) * MICROPY_FLOAT_C_FUN(sinh)(imag)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_cmath_cos_obj, mp_cmath_cos); + +mp_obj_t mp_cmath_sin(mp_obj_t z_obj) { + mp_float_t real, imag; + mp_obj_get_complex(z_obj, &real, &imag); + return mp_obj_new_complex(MICROPY_FLOAT_C_FUN(sin)(real) * MICROPY_FLOAT_C_FUN(cosh)(imag), MICROPY_FLOAT_C_FUN(cos)(real) * MICROPY_FLOAT_C_FUN(sinh)(imag)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_cmath_sin_obj, mp_cmath_sin); + +STATIC const mp_map_elem_t mp_module_cmath_globals_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_cmath) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_e), (mp_obj_t)&mp_math_e_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_pi), (mp_obj_t)&mp_math_pi_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_phase), (mp_obj_t)&mp_cmath_phase_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_polar), (mp_obj_t)&mp_cmath_polar_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_rect), (mp_obj_t)&mp_cmath_rect_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_exp), (mp_obj_t)&mp_cmath_exp_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_log), (mp_obj_t)&mp_cmath_log_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_log10), (mp_obj_t)&mp_cmath_log10_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_sqrt), (mp_obj_t)&mp_cmath_sqrt_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_acos), (mp_obj_t)&mp_cmath_acos_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_asin), (mp_obj_t)&mp_cmath_asin_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_atan), (mp_obj_t)&mp_cmath_atan_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_cos), (mp_obj_t)&mp_cmath_cos_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_sin), (mp_obj_t)&mp_cmath_sin_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_tan), (mp_obj_t)&mp_cmath_tan_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_acosh), (mp_obj_t)&mp_cmath_acosh_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_asinh), (mp_obj_t)&mp_cmath_asinh_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_atanh), (mp_obj_t)&mp_cmath_atanh_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_cosh), (mp_obj_t)&mp_cmath_cosh_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_sinh), (mp_obj_t)&mp_cmath_sinh_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_tanh), (mp_obj_t)&mp_cmath_tanh_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_isfinite), (mp_obj_t)&mp_cmath_isfinite_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_isinf), (mp_obj_t)&mp_cmath_isinf_obj }, + //{ MP_OBJ_NEW_QSTR(MP_QSTR_isnan), (mp_obj_t)&mp_cmath_isnan_obj }, +}; + +STATIC const mp_obj_dict_t mp_module_cmath_globals = { + .base = {&mp_type_dict}, + .map = { + .all_keys_are_qstrs = 1, + .table_is_fixed_array = 1, + .used = sizeof(mp_module_cmath_globals_table) / sizeof(mp_map_elem_t), + .alloc = sizeof(mp_module_cmath_globals_table) / sizeof(mp_map_elem_t), + .table = (mp_map_elem_t*)mp_module_cmath_globals_table, + }, +}; + +const mp_obj_module_t mp_module_cmath = { + .base = { &mp_type_module }, + .name = MP_QSTR_cmath, + .globals = (mp_obj_dict_t*)&mp_module_cmath_globals, +}; + +#endif // MICROPY_ENABLE_FLOAT && MICROPY_ENABLE_MOD_CMATH |