py/modmath.c - lite/micropython - Linaro Git Browser

 /*
  * This file is part of the Micro Python project, http://micropython.org/
  *
  * The MIT License (MIT)
  *
  * Copyright (c) 2013, 2014 Damien P. George
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */

 #include <math.h>

 #include "mpconfig.h"
 #include "misc.h"
 #include "qstr.h"
 #include "obj.h"
 #include "builtin.h"

 #if MICROPY_PY_BUILTINS_FLOAT && MICROPY_PY_MATH

 //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_1_TO_BOOL(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);

 #define MATH_FUN_1_TO_INT(py_name, c_name) \
     mp_obj_t mp_math_ ## py_name(mp_obj_t x_obj) { return mp_obj_new_int((mp_int_t)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);

 // These are also used by cmath.c
 const mp_obj_float_t mp_math_e_obj = {{&mp_type_float}, M_E};
 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_TO_INT(ceil, ceil)
 MATH_FUN_2(copysign, copysign)
 MATH_FUN_1(fabs, fabs)
 MATH_FUN_1_TO_INT(floor, floor) //TODO: delegate to x.__floor__() if x is not a float
 MATH_FUN_2(fmod, fmod)
 MATH_FUN_1_TO_BOOL(isfinite, isfinite)
 MATH_FUN_1_TO_BOOL(isinf, isinf)
 MATH_FUN_1_TO_BOOL(isnan, isnan)
 MATH_FUN_1_TO_INT(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_fmod), (mp_obj_t)&mp_math_fmod_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_obj_dict_t mp_module_math_globals = {
     .base = {&mp_type_dict},
     .map = {
         .all_keys_are_qstrs = 1,
         .table_is_fixed_array = 1,
         .used = MP_ARRAY_SIZE(mp_module_math_globals_table),
         .alloc = MP_ARRAY_SIZE(mp_module_math_globals_table),
         .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_obj_dict_t*)&mp_module_math_globals,
 };

 #endif // MICROPY_PY_BUILTINS_FLOAT && MICROPY_PY_MATH
	/*
	* This file is part of the Micro Python project, http://micropython.org/
	*
	* The MIT License (MIT)
	*
	* Copyright (c) 2013, 2014 Damien P. George
	*
	* Permission is hereby granted, free of charge, to any person obtaining a copy
	* of this software and associated documentation files (the "Software"), to deal
	* in the Software without restriction, including without limitation the rights
	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	* copies of the Software, and to permit persons to whom the Software is
	* furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be included in
	* all copies or substantial portions of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	* THE SOFTWARE.
	*/

	#include <math.h>

	#include "mpconfig.h"
	#include "misc.h"
	#include "qstr.h"
	#include "obj.h"
	#include "builtin.h"

	#if MICROPY_PY_BUILTINS_FLOAT && MICROPY_PY_MATH

	//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_1_TO_BOOL(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);

	#define MATH_FUN_1_TO_INT(py_name, c_name) \
	mp_obj_t mp_math_ ## py_name(mp_obj_t x_obj) { return mp_obj_new_int((mp_int_t)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);

	// These are also used by cmath.c
	const mp_obj_float_t mp_math_e_obj = {{&mp_type_float}, M_E};
	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_TO_INT(ceil, ceil)
	MATH_FUN_2(copysign, copysign)
	MATH_FUN_1(fabs, fabs)
	MATH_FUN_1_TO_INT(floor, floor) //TODO: delegate to x.__floor__() if x is not a float
	MATH_FUN_2(fmod, fmod)
	MATH_FUN_1_TO_BOOL(isfinite, isfinite)
	MATH_FUN_1_TO_BOOL(isinf, isinf)
	MATH_FUN_1_TO_BOOL(isnan, isnan)
	MATH_FUN_1_TO_INT(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_fmod), (mp_obj_t)&mp_math_fmod_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_obj_dict_t mp_module_math_globals = {
	.base = {&mp_type_dict},
	.map = {
	.all_keys_are_qstrs = 1,
	.table_is_fixed_array = 1,
	.used = MP_ARRAY_SIZE(mp_module_math_globals_table),
	.alloc = MP_ARRAY_SIZE(mp_module_math_globals_table),
	.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_obj_dict_t*)&mp_module_math_globals,
	};

	#endif // MICROPY_PY_BUILTINS_FLOAT && MICROPY_PY_MATH