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-rw-r--r--py/runtime.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/py/runtime.c b/py/runtime.c
index c15e48be1c..5ca8f99f30 100644
--- a/py/runtime.c
+++ b/py/runtime.c
@@ -15,11 +15,6 @@
#include "runtime.h"
#include "bc.h"
-#if MICROPY_ENABLE_FLOAT
-// for sqrt
-#include <math.h>
-#endif
-
#if 0 // print debugging info
#define DEBUG_PRINT (1)
#define WRITE_NATIVE (1)
@@ -873,7 +868,10 @@ py_obj_t py_builtin_print(int n_args, const py_obj_t* args) {
py_obj_t py_builtin_len(py_obj_t o_in) {
py_small_int_t len = 0;
- if (IS_O(o_in, O_TUPLE) || IS_O(o_in, O_LIST)) {
+ if (IS_O(o_in, O_STR)) {
+ py_obj_base_t *o = o_in;
+ len = strlen(qstr_str(o->u_str));
+ } else if (IS_O(o_in, O_TUPLE) || IS_O(o_in, O_LIST)) {
py_obj_base_t *o = o_in;
len = o->u_tuple_list.len;
} else if (IS_O(o_in, O_MAP)) {
@@ -892,6 +890,7 @@ py_obj_t py_builtin_abs(py_obj_t o_in) {
val = -val;
}
return TO_SMALL_INT(val);
+#if MICROPY_ENABLE_FLOAT
} else if (IS_O(o_in, O_FLOAT)) {
py_obj_base_t *o = o_in;
// TODO check for NaN etc
@@ -902,7 +901,8 @@ py_obj_t py_builtin_abs(py_obj_t o_in) {
}
} else if (IS_O(o_in, O_COMPLEX)) {
py_obj_base_t *o = o_in;
- return py_obj_new_float(sqrt(o->u_complex.real*o->u_complex.real + o->u_complex.imag*o->u_complex.imag));
+ return py_obj_new_float(machine_sqrt(o->u_complex.real*o->u_complex.real + o->u_complex.imag*o->u_complex.imag));
+#endif
} else {
assert(0);
return py_const_none;
@@ -1279,7 +1279,12 @@ uint get_index(py_obj_base_t *base, py_obj_t index) {
py_obj_t rt_binary_op(int op, py_obj_t lhs, py_obj_t rhs) {
DEBUG_OP_printf("binary %d %p %p\n", op, lhs, rhs);
if (op == RT_BINARY_OP_SUBSCR) {
- if ((IS_O(lhs, O_TUPLE) || IS_O(lhs, O_LIST))) {
+ if (IS_O(lhs, O_STR)) {
+ // string access
+ // XXX a hack!
+ const char *str = qstr_str(((py_obj_base_t*)lhs)->u_str);
+ return py_obj_new_int(str[FROM_SMALL_INT(rhs)]);
+ } else if ((IS_O(lhs, O_TUPLE) || IS_O(lhs, O_LIST))) {
// tuple/list load
uint index = get_index(lhs, rhs);
return ((py_obj_base_t*)lhs)->u_tuple_list.items[index];