circuitpython/py/modmath.c
Damien George df6567e634 Merge map.h into obj.h.
Pretty much everyone needs to include map.h, since it's such an integral
part of the Micro Python object implementation.  Thus, the definitions
are now in obj.h instead.  map.h is removed.
2014-03-30 13:54:02 +01:00

153 lines
6.5 KiB
C

#include <math.h>
#include "misc.h"
#include "mpconfig.h"
#include "qstr.h"
#include "obj.h"
#include "builtin.h"
#if MICROPY_ENABLE_FLOAT
//TODO: Change macros to check for overflow and raise OverflowError or RangeError
#define MATH_FUN_1(py_name, c_name) \
mp_obj_t mp_math_ ## py_name(mp_obj_t x_obj) { return mp_obj_new_float(MICROPY_FLOAT_C_FUN(c_name)(mp_obj_get_float(x_obj))); } \
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_math_## py_name ## _obj, mp_math_ ## py_name);
#define MATH_FUN_2(py_name, c_name) \
mp_obj_t mp_math_ ## py_name(mp_obj_t x_obj, mp_obj_t y_obj) { return mp_obj_new_float(MICROPY_FLOAT_C_FUN(c_name)(mp_obj_get_float(x_obj), mp_obj_get_float(y_obj))); } \
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mp_math_## py_name ## _obj, mp_math_ ## py_name);
#define MATH_FUN_BOOL1(py_name, c_name) \
mp_obj_t mp_math_ ## py_name(mp_obj_t x_obj) { return MP_BOOL(c_name(mp_obj_get_float(x_obj))); } \
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_math_## py_name ## _obj, mp_math_ ## py_name);
STATIC const mp_obj_float_t mp_math_e_obj = {{&mp_type_float}, M_E};
STATIC const mp_obj_float_t mp_math_pi_obj = {{&mp_type_float}, M_PI};
MATH_FUN_1(sqrt, sqrt)
MATH_FUN_2(pow, pow)
MATH_FUN_1(exp, exp)
MATH_FUN_1(expm1, expm1)
MATH_FUN_1(log, log)
MATH_FUN_1(log2, log2)
MATH_FUN_1(log10, log10)
MATH_FUN_1(cosh, cosh)
MATH_FUN_1(sinh, sinh)
MATH_FUN_1(tanh, tanh)
MATH_FUN_1(acosh, acosh)
MATH_FUN_1(asinh, asinh)
MATH_FUN_1(atanh, atanh)
MATH_FUN_1(cos, cos)
MATH_FUN_1(sin, sin)
MATH_FUN_1(tan, tan)
MATH_FUN_1(acos, acos)
MATH_FUN_1(asin, asin)
MATH_FUN_1(atan, atan)
MATH_FUN_2(atan2, atan2)
MATH_FUN_1(ceil, ceil)
MATH_FUN_2(copysign, copysign)
MATH_FUN_1(fabs, fabs)
MATH_FUN_1(floor, floor) //TODO: delegate to x.__floor__() if x is not a float
MATH_FUN_2(fmod, fmod)
MATH_FUN_BOOL1(isfinite, isfinite)
MATH_FUN_BOOL1(isinf, isinf)
MATH_FUN_BOOL1(isnan, isnan)
MATH_FUN_1(trunc, trunc)
MATH_FUN_2(ldexp, ldexp)
MATH_FUN_1(erf, erf)
MATH_FUN_1(erfc, erfc)
MATH_FUN_1(gamma, tgamma)
MATH_FUN_1(lgamma, lgamma)
//TODO: factorial, fsum
// Functions that return a tuple
mp_obj_t mp_math_frexp(mp_obj_t x_obj) {
int int_exponent = 0;
mp_float_t significand = MICROPY_FLOAT_C_FUN(frexp)(mp_obj_get_float(x_obj), &int_exponent);
mp_obj_t tuple[2];
tuple[0] = mp_obj_new_float(significand);
tuple[1] = mp_obj_new_int(int_exponent);
return mp_obj_new_tuple(2, tuple);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_math_frexp_obj, mp_math_frexp);
mp_obj_t mp_math_modf(mp_obj_t x_obj) {
mp_float_t int_part = 0.0;
mp_float_t fractional_part = MICROPY_FLOAT_C_FUN(modf)(mp_obj_get_float(x_obj), &int_part);
mp_obj_t tuple[2];
tuple[0] = mp_obj_new_float(fractional_part);
tuple[1] = mp_obj_new_float(int_part);
return mp_obj_new_tuple(2, tuple);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_math_modf_obj, mp_math_modf);
// Angular conversions
mp_obj_t mp_math_radians(mp_obj_t x_obj) {
return mp_obj_new_float(mp_obj_get_float(x_obj) * M_PI / 180.0);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_math_radians_obj, mp_math_radians);
mp_obj_t mp_math_degrees(mp_obj_t x_obj) {
return mp_obj_new_float(mp_obj_get_float(x_obj) * 180.0 / M_PI);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_math_degrees_obj, mp_math_degrees);
STATIC const mp_map_elem_t mp_module_math_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_math) },
{ 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_sqrt), (mp_obj_t)&mp_math_sqrt_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_pow), (mp_obj_t)&mp_math_pow_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_exp), (mp_obj_t)&mp_math_exp_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_expm1), (mp_obj_t)&mp_math_expm1_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_log), (mp_obj_t)&mp_math_log_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_log2), (mp_obj_t)&mp_math_log2_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_log10), (mp_obj_t)&mp_math_log10_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_cosh), (mp_obj_t)&mp_math_cosh_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_sinh), (mp_obj_t)&mp_math_sinh_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_tanh), (mp_obj_t)&mp_math_tanh_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_acosh), (mp_obj_t)&mp_math_acosh_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_asinh), (mp_obj_t)&mp_math_asinh_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_atanh), (mp_obj_t)&mp_math_atanh_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_cos), (mp_obj_t)&mp_math_cos_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_sin), (mp_obj_t)&mp_math_sin_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_tan), (mp_obj_t)&mp_math_tan_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_acos), (mp_obj_t)&mp_math_acos_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_asin), (mp_obj_t)&mp_math_asin_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_atan), (mp_obj_t)&mp_math_atan_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_atan2), (mp_obj_t)&mp_math_atan2_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ceil), (mp_obj_t)&mp_math_ceil_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_copysign), (mp_obj_t)&mp_math_copysign_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_fabs), (mp_obj_t)&mp_math_fabs_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_floor), (mp_obj_t)&mp_math_floor_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_frexp), (mp_obj_t)&mp_math_frexp_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_ldexp), (mp_obj_t)&mp_math_ldexp_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_modf), (mp_obj_t)&mp_math_modf_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_isfinite), (mp_obj_t)&mp_math_isfinite_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_isinf), (mp_obj_t)&mp_math_isinf_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_isnan), (mp_obj_t)&mp_math_isnan_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_trunc), (mp_obj_t)&mp_math_trunc_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_radians), (mp_obj_t)&mp_math_radians_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_degrees), (mp_obj_t)&mp_math_degrees_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_erf), (mp_obj_t)&mp_math_erf_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_erfc), (mp_obj_t)&mp_math_erfc_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_gamma), (mp_obj_t)&mp_math_gamma_obj },
{ MP_OBJ_NEW_QSTR(MP_QSTR_lgamma), (mp_obj_t)&mp_math_lgamma_obj },
};
STATIC const mp_map_t mp_module_math_globals = {
.all_keys_are_qstrs = 1,
.table_is_fixed_array = 1,
.used = sizeof(mp_module_math_globals_table) / sizeof(mp_map_elem_t),
.alloc = sizeof(mp_module_math_globals_table) / sizeof(mp_map_elem_t),
.table = (mp_map_elem_t*)mp_module_math_globals_table,
};
const mp_obj_module_t mp_module_math = {
.base = { &mp_type_module },
.name = MP_QSTR_math,
.globals = (mp_map_t*)&mp_module_math_globals,
};
#endif // MICROPY_ENABLE_FLOAT