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Suppress warnings caused by use of -Wswitch_default on GCC #651

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Jan 20, 2025
Merged

Suppress warnings caused by use of -Wswitch_default on GCC #651

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44 changes: 44 additions & 0 deletions include/boost/multiprecision/cpp_bin_float.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -416,6 +416,8 @@ class cpp_bin_float
m_sign = (f < 0);
m_exponent = exponent_infinity;
return *this;
default:
break;
}
if (f < 0)
{
Expand Down Expand Up @@ -494,6 +496,8 @@ class cpp_bin_float
m_sign = eval_get_sign(f) < 0;
m_exponent = exponent_infinity;
return *this;
default:
break;
}
if (eval_get_sign(f) < 0)
{
Expand Down Expand Up @@ -805,6 +809,8 @@ inline void do_eval_add(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Mi
case cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_nan:
res = a;
return; // result is still a NaN.
default:
break;
}
switch (b.exponent())
{
Expand All @@ -819,6 +825,8 @@ inline void do_eval_add(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Mi
case BinFloat3::exponent_nan:
res = b;
return; // result is a NaN.
default:
break;
}

static_assert((std::numeric_limits<exponent_type>::max)() - cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::bit_count > cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::max_exponent, "Exponent range check failed");
Expand Down Expand Up @@ -878,6 +886,8 @@ inline void do_eval_subtract(BinFloat1& res, const BinFloat2& a, const BinFloat3
case BinFloat2::exponent_nan:
res = a;
return; // result is still a NaN.
default:
break;
}
switch (b.exponent())
{
Expand All @@ -892,6 +902,8 @@ inline void do_eval_subtract(BinFloat1& res, const BinFloat2& a, const BinFloat3
case BinFloat3::exponent_nan:
res = b;
return; // result is still a NaN.
default:
break;
}

bool s = a.sign();
Expand Down Expand Up @@ -1043,6 +1055,8 @@ inline void eval_multiply(cpp_bin_float<Digits, DigitBase, Allocator, Exponent,
case cpp_bin_float<Digits, DigitBase, Allocator2, Exponent2, MinE2, MaxE2>::exponent_nan:
res = a;
return;
default:
break;
}
if (b.exponent() > cpp_bin_float<Digits, DigitBase, Allocator3, Exponent3, MinE3, MaxE3>::max_exponent)
{
Expand Down Expand Up @@ -1119,6 +1133,8 @@ inline typename std::enable_if<boost::multiprecision::detail::is_unsigned<U>::va
case cpp_bin_float<Digits, DigitBase, Allocator2, Exponent2, MinE2, MaxE2>::exponent_nan:
res = a;
return;
default:
break;
}

typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::double_rep_type dt;
Expand Down Expand Up @@ -1183,6 +1199,8 @@ inline void eval_divide(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Mi
case cpp_bin_float<Digits, DigitBase, Allocator3, Exponent3, MinE3, MaxE3>::exponent_nan:
res = std::numeric_limits<number<cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE> > >::quiet_NaN().backend();
return;
default:
break;
}
bool s = u.sign() != v.sign();
res = u;
Expand All @@ -1197,6 +1215,8 @@ inline void eval_divide(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Mi
case cpp_bin_float<Digits, DigitBase, Allocator3, Exponent3, MinE3, MaxE3>::exponent_nan:
res = std::numeric_limits<number<cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE> > >::quiet_NaN().backend();
return;
default:
break;
}
bool s = u.sign() != v.sign();
res = u;
Expand All @@ -1206,6 +1226,8 @@ inline void eval_divide(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Mi
case cpp_bin_float<Digits, DigitBase, Allocator2, Exponent2, MinE2, MaxE2>::exponent_nan:
res = std::numeric_limits<number<cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE> > >::quiet_NaN().backend();
return;
default:
break;
}
switch (v.exponent())
{
Expand All @@ -1224,6 +1246,8 @@ inline void eval_divide(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Mi
case cpp_bin_float<Digits, DigitBase, Allocator3, Exponent3, MinE3, MaxE3>::exponent_nan:
res = std::numeric_limits<number<cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE> > >::quiet_NaN().backend();
return;
default:
break;
}

// We can scale u and v so that both are integers, then perform integer
Expand Down Expand Up @@ -1368,6 +1392,8 @@ inline typename std::enable_if<boost::multiprecision::detail::is_unsigned<U>::va
case cpp_bin_float<Digits, DigitBase, Allocator2, Exponent2, MinE2, MaxE2>::exponent_nan:
res = std::numeric_limits<number<cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE> > >::quiet_NaN().backend();
return;
default:
break;
}
if (v == 0)
{
Expand Down Expand Up @@ -1514,6 +1540,8 @@ inline void convert_to_signed_int(I* res, const cpp_bin_float<Digits, DigitBase,
if (arg.sign())
*res = -*res;
return;
default:
break;
}
using shift_type = typename std::conditional<sizeof(typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_type) < sizeof(int), int, typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_type>::type;
typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::rep_type man(arg.bits());
Expand Down Expand Up @@ -1589,6 +1617,8 @@ inline void convert_to_unsigned_int(I* res, const cpp_bin_float<Digits, DigitBas
case cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_infinity:
*res = max_val;
return;
default:
break;
}
typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::rep_type man(arg.bits());
using shift_type = typename std::conditional<sizeof(typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_type) < sizeof(int), int, typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_type>::type;
Expand Down Expand Up @@ -1669,6 +1699,8 @@ inline typename std::enable_if<std::is_floating_point<Float>::value>::type eval_
if (original_arg.sign())
*res = -*res;
return;
default:
break;
}
//
// Check for super large exponent that must be converted to infinity:
Expand Down Expand Up @@ -1740,6 +1772,8 @@ inline void eval_frexp(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Min
*e = 0;
res = arg;
return;
default:
break;
}
res = arg;
*e = arg.exponent() + 1;
Expand Down Expand Up @@ -1768,6 +1802,8 @@ inline void eval_ldexp(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Min
case cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_infinity:
res = arg;
return;
default:
break;
}
if ((e > 0) && (cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::max_exponent - e < arg.exponent()))
{
Expand Down Expand Up @@ -1853,6 +1889,8 @@ inline int eval_fpclassify(const cpp_bin_float<Digits, DigitBase, Allocator, Exp
return FP_INFINITE;
case cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_nan:
return FP_NAN;
default:
break;
}
return FP_NORMAL;
}
Expand Down Expand Up @@ -1880,6 +1918,8 @@ inline void eval_sqrt(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE
else
res = arg;
return;
default:
break;
}
if (arg.sign())
{
Expand Down Expand Up @@ -1921,6 +1961,8 @@ inline void eval_floor(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, Min
case cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_infinity:
res = arg;
return;
default:
break;
}
using shift_type = typename std::conditional<sizeof(typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_type) < sizeof(int), int, typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_type>::type;
shift_type shift =
Expand Down Expand Up @@ -1969,6 +2011,8 @@ inline void eval_ceil(cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE
case cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_nan:
res = arg;
return;
default:
break;
}
using shift_type = typename std::conditional<sizeof(typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_type) < sizeof(int), int, typename cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::exponent_type>::type;
shift_type shift = (shift_type)cpp_bin_float<Digits, DigitBase, Allocator, Exponent, MinE, MaxE>::bit_count - arg.exponent() - 1;
Expand Down
2 changes: 2 additions & 0 deletions include/boost/multiprecision/cpp_bin_float/io.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -687,6 +687,8 @@
case exponent_infinity:
s = sign() ? "-inf" : f & std::ios_base::showpos ? "+inf" : "inf";
break;
default:
break;

Check warning on line 691 in include/boost/multiprecision/cpp_bin_float/io.hpp

View check run for this annotation

Codecov / codecov/patch

include/boost/multiprecision/cpp_bin_float/io.hpp#L690-L691 

Added lines #L690 - L691 were not covered by tests
}
}
return s;
Expand Down
22 changes: 22 additions & 0 deletions include/boost/multiprecision/detail/default_ops.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1278,6 +1278,8 @@ inline BOOST_MP_CXX14_CONSTEXPR void eval_fmod(T& result, const T& a, const T& b
result = std::numeric_limits<number<T> >::quiet_NaN().backend();
errno = EDOM;
return;
default:
break;
}
switch (eval_fpclassify(b))
{
Expand All @@ -1286,6 +1288,8 @@ inline BOOST_MP_CXX14_CONSTEXPR void eval_fmod(T& result, const T& a, const T& b
result = std::numeric_limits<number<T> >::quiet_NaN().backend();
errno = EDOM;
return;
default:
break;
}
T n;
eval_divide(result, a, b);
Expand Down Expand Up @@ -1411,6 +1415,8 @@ inline BOOST_MP_CXX14_CONSTEXPR void eval_fdim(T& result, const T& a, const T& b
case FP_INFINITE:
result = zero;
return;
default:
break;
}
switch (eval_fpclassify(a))
{
Expand All @@ -1420,6 +1426,8 @@ inline BOOST_MP_CXX14_CONSTEXPR void eval_fdim(T& result, const T& a, const T& b
case FP_INFINITE:
result = a;
return;
default:
break;
}
if (eval_gt(a, b))
{
Expand All @@ -1442,6 +1450,8 @@ inline BOOST_MP_CXX14_CONSTEXPR typename std::enable_if<boost::multiprecision::d
case FP_INFINITE:
result = zero;
return;
default:
break;
}
switch (eval_fpclassify(a))
{
Expand All @@ -1451,6 +1461,8 @@ inline BOOST_MP_CXX14_CONSTEXPR typename std::enable_if<boost::multiprecision::d
case FP_INFINITE:
result = a;
return;
default:
break;
}
if (eval_gt(a, canonical_b))
{
Expand All @@ -1473,6 +1485,8 @@ inline BOOST_MP_CXX14_CONSTEXPR typename std::enable_if<boost::multiprecision::d
case FP_INFINITE:
result = zero;
return;
default:
break;
}
switch (BOOST_MP_FPCLASSIFY(a))
{
Expand All @@ -1482,6 +1496,8 @@ inline BOOST_MP_CXX14_CONSTEXPR typename std::enable_if<boost::multiprecision::d
case FP_INFINITE:
result = std::numeric_limits<number<T> >::infinity().backend();
return;
default:
break;
}
if (eval_gt(canonical_a, b))
{
Expand All @@ -1504,6 +1520,8 @@ inline BOOST_MP_CXX14_CONSTEXPR void eval_trunc(T& result, const T& a)
case FP_INFINITE:
result = a;
return;
default:
break;
}
if (eval_get_sign(a) < 0)
eval_ceil(result, a);
Expand Down Expand Up @@ -1920,6 +1938,8 @@ inline BOOST_MP_CXX14_CONSTEXPR typename B::exponent_type eval_ilogb(const B& va
return (std::numeric_limits<typename B::exponent_type>::max)();
case FP_ZERO:
return (std::numeric_limits<typename B::exponent_type>::min)();
default:
break;
}
B result;
eval_frexp(result, val, &e);
Expand All @@ -1945,6 +1965,8 @@ inline BOOST_MP_CXX14_CONSTEXPR void eval_logb(B& result, const B& val)
if (eval_signbit(val))
result.negate();
return;
default:
break;
}
using max_t = typename std::conditional<std::is_same<std::intmax_t, long>::value, long long, std::intmax_t>::type;
result = static_cast<max_t>(eval_ilogb(val));
Expand Down
4 changes: 4 additions & 0 deletions include/boost/multiprecision/detail/functions/pow.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,8 @@ inline void pow_imp(T& result, const T& t, const U& p, const std::integral_const
eval_multiply(result, t, t);
eval_multiply(result, result);
return;
default:
break;
}

// This will store the result.
Expand Down Expand Up @@ -392,6 +394,8 @@ void eval_log(T& result, const T& arg)
result.negate();
errno = ERANGE;
return;
default:
break;
}
if (s)
{
Expand Down
6 changes: 6 additions & 0 deletions include/boost/multiprecision/detail/functions/trig.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -716,6 +716,8 @@ inline void eval_acos(T& result, const T& x)
result = get_constant_pi<T>();
eval_ldexp(result, result, -1); // divide by two.
return;
default:
break;
}

T xx;
Expand Down Expand Up @@ -986,6 +988,8 @@ void eval_atan2(T& result, const T& y, const T& x)
}
return;
}
default:
break;
}

switch (eval_fpclassify(x))
Expand All @@ -1009,6 +1013,8 @@ void eval_atan2(T& result, const T& y, const T& x)
if (eval_get_sign(y) < 0)
result.negate();
return;
default:
break;
}

T xx;
Expand Down