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-rw-r--r--py/modmath.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/py/modmath.c b/py/modmath.c
index ddab337d05..c56056a5dd 100644
--- a/py/modmath.c
+++ b/py/modmath.c
@@ -1,5 +1,5 @@
/*
- * This file is part of the Micro Python project, http://micropython.org/
+ * This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
@@ -25,7 +25,7 @@
*/
#include "py/builtin.h"
-#include "py/nlr.h"
+#include "py/runtime.h"
#if MICROPY_PY_BUILTINS_FLOAT && MICROPY_PY_MATH
@@ -41,7 +41,7 @@
/// working with floating-point numbers.
STATIC NORETURN void math_error(void) {
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "math domain error"));
+ mp_raise_ValueError("math domain error");
}
#define MATH_FUN_1(py_name, c_name) \
@@ -168,6 +168,8 @@ STATIC mp_obj_t mp_math_log(size_t n_args, const mp_obj_t *args) {
mp_float_t base = mp_obj_get_float(args[1]);
if (base <= (mp_float_t)0.0) {
math_error();
+ } else if (base == (mp_float_t)1.0) {
+ mp_raise_msg(&mp_type_ZeroDivisionError, "division by zero");
}
return mp_obj_new_float(l / MICROPY_FLOAT_C_FUN(log)(base));
}