py: Detect ZeroDivisionError properly for floats.
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@ -118,15 +118,18 @@ mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs_in) {
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// TODO: verify that C floor matches Python semantics
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case MP_BINARY_OP_FLOOR_DIVIDE:
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case MP_BINARY_OP_INPLACE_FLOOR_DIVIDE:
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lhs_val = MICROPY_FLOAT_C_FUN(floor)(lhs_val / rhs_val);
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goto check_zero_division;
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case MP_BINARY_OP_TRUE_DIVIDE:
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case MP_BINARY_OP_INPLACE_TRUE_DIVIDE:
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lhs_val /= rhs_val;
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check_zero_division:
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if (isinf(lhs_val)){ // check for division by zero
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if (rhs_val == 0) {
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zero_division_error:
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nlr_raise(mp_obj_new_exception_msg(&mp_type_ZeroDivisionError, "float division by zero"));
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}
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lhs_val = MICROPY_FLOAT_C_FUN(floor)(lhs_val / rhs_val);
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break;
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case MP_BINARY_OP_TRUE_DIVIDE:
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case MP_BINARY_OP_INPLACE_TRUE_DIVIDE:
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if (rhs_val == 0) {
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goto zero_division_error;
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}
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lhs_val /= rhs_val;
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break;
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case MP_BINARY_OP_POWER:
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case MP_BINARY_OP_INPLACE_POWER: lhs_val = MICROPY_FLOAT_C_FUN(pow)(lhs_val, rhs_val); break;
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