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py/modmath: Allow trunc/ceil/floor to return a big int if necessary.

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Previous to this patch, if the result of the trunc/ceil/floor functions
overflowed a small int, or was inf or nan, then a garbage value was
returned.  With this patch the correct big-int is returned if necessary,
and exceptions are raised for inf or nan.
This commit is contained in:
Damien George 2017-03-23 22:57:08 +11:00
parent f64a3e296e
commit febeff4af4
1 changed files with 1 additions and 1 deletions
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2
py/modmath.c
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@ -57,7 +57,7 @@ STATIC NORETURN void math_error(void) {
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) \
STATIC mp_obj_t mp_math_ ## py_name(mp_obj_t x_obj) { mp_int_t x = MICROPY_FLOAT_C_FUN(c_name)(mp_obj_get_float(x_obj)); return mp_obj_new_int(x); } \
STATIC mp_obj_t mp_math_ ## py_name(mp_obj_t x_obj) { return mp_obj_new_int_from_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_1_ERRCOND(py_name, c_name, error_condition) \