fix error detection in int_pow (#2161)
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@@ -348,7 +348,7 @@ pub(crate) fn int_pow(n1: Number, n2: Number, arena: &mut Arena) -> Result<Numbe
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(Number::Fixnum(n1), Number::Integer(n2)) => {
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let n1_i = n1.get_num();
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if !(n1_i == 1 || n1_i == 0 || n1_i == -1) && n2.is_zero() {
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if !(n1_i == 1 || n1_i == 0 || n1_i == -1) && n2.is_negative() {
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let n = Number::Fixnum(n1);
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Err(numerical_type_error(ValidType::Float, n, stub_gen))
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} else {
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@@ -359,7 +359,7 @@ pub(crate) fn int_pow(n1: Number, n2: Number, arena: &mut Arena) -> Result<Numbe
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(Number::Integer(n1), Number::Fixnum(n2)) => {
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let n2_i = n2.get_num();
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if !(*n1 == Integer::from(1) || n1.is_zero() || *n1 == Integer::from(-1)) && n2_i < 0 {
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if !(n1.is_one() || n1.is_zero() || n1.num_eq(&-1)) && n2_i < 0 {
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let n = Number::Integer(n1);
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Err(numerical_type_error(ValidType::Float, n, stub_gen))
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} else {
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@@ -368,9 +368,7 @@ pub(crate) fn int_pow(n1: Number, n2: Number, arena: &mut Arena) -> Result<Numbe
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}
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}
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(Number::Integer(n1), Number::Integer(n2)) => {
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if !(*n1 == Integer::from(1) || n1.is_zero() || *n1 == Integer::from(-1))
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&& n2.is_zero()
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{
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if !(n1.is_one() || n1.is_zero() || n1.num_eq(&-1)) && n2.is_negative() {
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let n = Number::Integer(n1);
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Err(numerical_type_error(ValidType::Float, n, stub_gen))
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} else {
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