Beispiel #1
0
void mp_obj_get_complex(mp_obj_t arg, mp_float_t *real, mp_float_t *imag) {
    if (arg == mp_const_false) {
        *real = 0;
        *imag = 0;
    } else if (arg == mp_const_true) {
        *real = 1;
        *imag = 0;
    } else if (MP_OBJ_IS_SMALL_INT(arg)) {
        *real = MP_OBJ_SMALL_INT_VALUE(arg);
        *imag = 0;
    } else if (MP_OBJ_IS_TYPE(arg, &mp_type_int)) {
        *real = mp_obj_int_as_float(arg);
        *imag = 0;
    } else if (mp_obj_is_float(arg)) {
        *real = mp_obj_float_get(arg);
        *imag = 0;
    } else if (MP_OBJ_IS_TYPE(arg, &mp_type_complex)) {
        mp_obj_complex_get(arg, real, imag);
    } else {
        if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
            nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError,
                "can't convert to complex"));
        } else {
            nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
                "can't convert %s to complex", mp_obj_get_type_str(arg)));
        }
    }
}
Beispiel #2
0
// This dispatcher function is expected to be independent of the implementation of long int
STATIC mp_obj_t mp_obj_int_make_new(const mp_obj_type_t *type_in, size_t n_args, size_t n_kw, const mp_obj_t *args) {
    (void)type_in;
    mp_arg_check_num(n_args, n_kw, 0, 2, false);

    switch (n_args) {
        case 0:
            return MP_OBJ_NEW_SMALL_INT(0);

        case 1:
            if (MP_OBJ_IS_INT(args[0])) {
                // already an int (small or long), just return it
                return args[0];
            } else if (MP_OBJ_IS_STR_OR_BYTES(args[0])) {
                // a string, parse it
                size_t l;
                const char *s = mp_obj_str_get_data(args[0], &l);
                return mp_parse_num_integer(s, l, 0, NULL);
#if MICROPY_PY_BUILTINS_FLOAT
            } else if (mp_obj_is_float(args[0])) {
                return mp_obj_new_int_from_float(mp_obj_float_get(args[0]));
#endif
            } else {
                return mp_unary_op(MP_UNARY_OP_INT, args[0]);
            }

        case 2:
        default: {
            // should be a string, parse it
            size_t l;
            const char *s = mp_obj_str_get_data(args[0], &l);
            return mp_parse_num_integer(s, l, mp_obj_get_int(args[1]), NULL);
        }
    }
}
Beispiel #3
0
mp_obj_type_t *mp_obj_get_type(mp_const_obj_t o_in) {
    if (MP_OBJ_IS_SMALL_INT(o_in)) {
        return (mp_obj_type_t*)&mp_type_int;
    } else if (MP_OBJ_IS_QSTR(o_in)) {
        return (mp_obj_type_t*)&mp_type_str;
    #if MICROPY_PY_BUILTINS_FLOAT
    } else if (mp_obj_is_float(o_in)) {
        return (mp_obj_type_t*)&mp_type_float;
    #endif
    } else {
        const mp_obj_base_t *o = MP_OBJ_TO_PTR(o_in);
        return (mp_obj_type_t*)o->type;
    }
}
Beispiel #4
0
mp_float_t mp_obj_get_float(mp_obj_t arg) {
    if (arg == mp_const_false) {
        return 0;
    } else if (arg == mp_const_true) {
        return 1;
    } else if (MP_OBJ_IS_SMALL_INT(arg)) {
        return MP_OBJ_SMALL_INT_VALUE(arg);
    } else if (MP_OBJ_IS_TYPE(arg, &mp_type_int)) {
        return mp_obj_int_as_float(arg);
    } else if (mp_obj_is_float(arg)) {
        return mp_obj_float_get(arg);
    } else {
        if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
            nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError,
                "can't convert to float"));
        } else {
            nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
                "can't convert %s to float", mp_obj_get_type_str(arg)));
        }
    }
}
Beispiel #5
0
STATIC mp_obj_t mp_builtin_abs(mp_obj_t o_in) {
    #if MICROPY_PY_BUILTINS_FLOAT
    if (mp_obj_is_float(o_in)) {
        mp_float_t value = mp_obj_float_get(o_in);
        // TODO check for NaN etc
        if (value < 0) {
            return mp_obj_new_float(-value);
        } else {
            return o_in;
        }
    #if MICROPY_PY_BUILTINS_COMPLEX
    } else if (MP_OBJ_IS_TYPE(o_in, &mp_type_complex)) {
        mp_float_t real, imag;
        mp_obj_complex_get(o_in, &real, &imag);
        return mp_obj_new_float(MICROPY_FLOAT_C_FUN(sqrt)(real*real + imag*imag));
    #endif
    }
    #endif

    // this will raise a TypeError if the argument is not integral
    return mp_obj_int_abs(o_in);
}
Beispiel #6
0
bool mp_obj_get_float_maybe(mp_obj_t arg, mp_float_t *value) {
    mp_float_t val;

    if (arg == mp_const_false) {
        val = 0;
    } else if (arg == mp_const_true) {
        val = 1;
    } else if (MP_OBJ_IS_SMALL_INT(arg)) {
        val = MP_OBJ_SMALL_INT_VALUE(arg);
    #if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
    } else if (MP_OBJ_IS_TYPE(arg, &mp_type_int)) {
        val = mp_obj_int_as_float_impl(arg);
    #endif
    } else if (mp_obj_is_float(arg)) {
        val = mp_obj_float_get(arg);
    } else {
        return false;
    }

    *value = val;
    return true;
}
Beispiel #7
0
// This dispatcher function is expected to be independent of the implementation of long int
STATIC mp_obj_t mp_obj_int_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
    (void)type_in;
    mp_arg_check_num(n_args, n_kw, 0, 2, false);

    switch (n_args) {
        case 0:
            return MP_OBJ_NEW_SMALL_INT(0);

        case 1:
            if (MP_OBJ_IS_INT(args[0])) {
                // already an int (small or long), just return it
                return args[0];
            } else if (MP_OBJ_IS_STR_OR_BYTES(args[0])) {
                // a string, parse it
                mp_uint_t l;
                const char *s = mp_obj_str_get_data(args[0], &l);
                return mp_parse_num_integer(s, l, 0, NULL);
#if MICROPY_PY_BUILTINS_FLOAT
            } else if (mp_obj_is_float(args[0])) {
                return mp_obj_new_int_from_float(mp_obj_float_get(args[0]));
#endif
            } else {
                // try to convert to small int (eg from bool)
                return MP_OBJ_NEW_SMALL_INT(mp_obj_get_int(args[0]));
            }

        case 2:
        default: {
            // should be a string, parse it
            // TODO proper error checking of argument types
            mp_uint_t l;
            const char *s = mp_obj_str_get_data(args[0], &l);
            return mp_parse_num_integer(s, l, mp_obj_get_int(args[1]), NULL);
        }
    }
}
Beispiel #8
0
STATIC mp_obj_t float_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
    (void)type_in;
    mp_arg_check_num(n_args, n_kw, 0, 1, false);

    switch (n_args) {
        case 0:
            return mp_obj_new_float(0);

        case 1:
        default:
            if (MP_OBJ_IS_STR(args[0])) {
                // a string, parse it
                mp_uint_t l;
                const char *s = mp_obj_str_get_data(args[0], &l);
                return mp_parse_num_decimal(s, l, false, false, NULL);
            } else if (mp_obj_is_float(args[0])) {
                // a float, just return it
                return args[0];
            } else {
                // something else, try to cast it to a float
                return mp_obj_new_float(mp_obj_get_float(args[0]));
            }
    }
}
Beispiel #9
0
mp_float_t mp_obj_float_get(mp_obj_t self_in) {
    assert(mp_obj_is_float(self_in));
    mp_obj_float_t *self = MP_OBJ_TO_PTR(self_in);
    return self->value;
}
Beispiel #10
0
// This function implements the '==' operator (and so the inverse of '!=').
//
// From the Python language reference:
// (https://docs.python.org/3/reference/expressions.html#not-in)
// "The objects need not have the same type. If both are numbers, they are converted
// to a common type. Otherwise, the == and != operators always consider objects of
// different types to be unequal."
//
// This means that False==0 and True==1 are true expressions.
//
// Furthermore, from the v3.4.2 code for object.c: "Practical amendments: If rich
// comparison returns NotImplemented, == and != are decided by comparing the object
// pointer."
bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
    // Float (and complex) NaN is never equal to anything, not even itself,
    // so we must have a special check here to cover those cases.
    if (o1 == o2
        #if MICROPY_PY_BUILTINS_FLOAT
        && !mp_obj_is_float(o1)
        #endif
        #if MICROPY_PY_BUILTINS_COMPLEX
        && !MP_OBJ_IS_TYPE(o1, &mp_type_complex)
        #endif
        ) {
        return true;
    }
    if (o1 == mp_const_none || o2 == mp_const_none) {
        return false;
    }

    // fast path for small ints
    if (MP_OBJ_IS_SMALL_INT(o1)) {
        if (MP_OBJ_IS_SMALL_INT(o2)) {
            // both SMALL_INT, and not equal if we get here
            return false;
        } else {
            mp_obj_t temp = o2; o2 = o1; o1 = temp;
            // o2 is now the SMALL_INT, o1 is not
            // fall through to generic op
        }
    }

    // fast path for strings
    if (MP_OBJ_IS_STR(o1)) {
        if (MP_OBJ_IS_STR(o2)) {
            // both strings, use special function
            return mp_obj_str_equal(o1, o2);
        } else {
            // a string is never equal to anything else
            goto str_cmp_err;
        }
    } else if (MP_OBJ_IS_STR(o2)) {
        // o1 is not a string (else caught above), so the objects are not equal
    str_cmp_err:
        #if MICROPY_PY_STR_BYTES_CMP_WARN
        if (MP_OBJ_IS_TYPE(o1, &mp_type_bytes) || MP_OBJ_IS_TYPE(o2, &mp_type_bytes)) {
            mp_warning("Comparison between bytes and str");
        }
        #endif
        return false;
    }

    // generic type, call binary_op(MP_BINARY_OP_EQUAL)
    mp_obj_type_t *type = mp_obj_get_type(o1);
    if (type->binary_op != NULL) {
        mp_obj_t r = type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
        if (r != MP_OBJ_NULL) {
            return r == mp_const_true ? true : false;
        }
    }

    // equality not implemented, and objects are not the same object, so
    // they are defined as not equal
    return false;
}