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Fixed broken math functions that return bool and added some more.

This commit is contained in:
Rachel Dowdall 2014-03-22 14:39:33 +00:00
parent 17f45d41fe
commit 249b9c761d
4 changed files with 83 additions and 18 deletions
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68
py/builtinmath.c
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@ -9,6 +9,7 @@
#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);
@ -17,6 +18,10 @@
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};
@ -45,13 +50,49 @@ 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_1(frexp, frexp)
//MATH_FUN_1(isfinite, isfinite)
//MATH_FUN_1(isinf, isinf)
//MATH_FUN_1(isnan, isnan)
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, gamma)
MATH_FUN_1(lgamma, lgamma)
//TODO: factorial, fsum
// Functions that return a tuple
mp_obj_t mp_math_frexp(mp_obj_t x_obj){
machine_int_t int_exponent = 0;
mp_float_t significand = 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 = 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);
//TODO: factorial, fsum, frexp, ldexp, modf
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) },
@ -81,12 +122,19 @@ STATIC const mp_map_elem_t mp_module_math_globals_table[] = {
{ 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_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_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 = {

12
py/qstrdefs.h
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@ -145,13 +145,21 @@ Q(atan2)
Q(ceil)
Q(copysign)
Q(fabs)
Q(floor)
Q(fmod)
Q(frexp)
Q(floor)
Q(isfinite)
Q(isinf)
Q(isnan)
Q(trunc)
Q(modf)
Q(frexp)
Q(ldexp)
Q(degrees)
Q(radians)
Q(erf)
Q(erfc)
Q(gamma)
Q(lgamma)
Q(mem_total)
Q(mem_current)

12
tests/basics/math-fun-bool.py Normal file
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@ -0,0 +1,12 @@
# Test the bool functions from math
from math import isfinite, isnan, isinf
test_values = [1, 0, -1, 1.0, 0.0, -1.0, float('NaN'), float('Inf'),
-float('NaN'), -float('Inf')]
functions = [isfinite, isnan, isinf]
for val in test_values:
for f in functions:
print(f(val))

9
tests/basics/math-fun.py
View File

@ -5,8 +5,6 @@ from math import *
test_values = [-100., -1.23456, -1, -0.5, 0.0, 0.5, 1.23456, 100.]
p_test_values = [0.1, 0.5, 1.23456]
unit_range_test_values = [-1., -0.75, -0.5, -0.25, 0., 0.25, 0.5, 0.75, 1.]
#IEEE_test_values = [1, 0, float('NaN'), float('Inf'), -float('NaN'), -float('Inf')]
#TODO: float('NaN')
functions = [(sqrt, p_test_values),
(exp, test_values),
@ -30,7 +28,6 @@ functions = [(sqrt, p_test_values),
(fabs, test_values),
(floor, test_values),
#(frexp, test_values),
#(isfinite, [1, 0, float('NaN'), float('Inf')])
(trunc, test_values)
]
@ -42,8 +39,8 @@ binary_functions = [(copysign, [(23., 42.), (-23., 42.), (23., -42.),
(-23., -42.), (1., 0.0), (1., -0.0)])
]
#for function, test_vals in binary_functions:
# for value1, value2 in test_vals:
# print("{:8.7f}".format(function(value1, value2)))
for function, test_vals in binary_functions:
for value1, value2 in test_vals:
print("{:8.7f}".format(function(value1, value2)))