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[libc][complex] fix compiler support matrix for cfloat128 #122593

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merged 7 commits into from
Jan 13, 2025
+12 −10
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[libc][complex] fix compiler support matrix for cfloat128 #122593

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582e8ae
fix: compiler support matrix for cfloat128
Sh0g0-1758 Jan 11, 2025
a2bfc3f
clang-fmt
Sh0g0-1758 Jan 11, 2025
5872397
nit
Sh0g0-1758 Jan 11, 2025
a7728e3
fmt
Sh0g0-1758 Jan 11, 2025
1bb3bd6
nit
Sh0g0-1758 Jan 11, 2025
d3f0ee5
nit
Sh0g0-1758 Jan 11, 2025
aec03f1
nit
Sh0g0-1758 Jan 11, 2025
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22 changes: 12 additions & 10 deletions libc/include/llvm-libc-types/cfloat128.h
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Original file line number Diff line number Diff line change
Expand Up @@ -18,22 +18,24 @@
//
// TODO: Update the complex variant of C23 `_Float128` type detection again when
// clang supports it.
#if defined(__STDC_IEC_60559_COMPLEX__) && !defined(__clang__)
#if !defined(__cplusplus)
#define LIBC_TYPES_HAS_CFLOAT128
typedef _Complex _Float128 cfloat128;
#elif defined(__GNUC__) && __GNUC__ >= 13
#define LIBC_TYPES_HAS_CFLOAT128
typedef _Complex _Float128 cfloat128;
#endif
#elif __clang_major__ >= 11 && \
#ifdef __clang__
#if (__clang_major__ >= 11) && \
(defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__))
// Use _Complex __float128 type. clang uses __SIZEOF_FLOAT128__ or __FLOAT128__
// macro to notify the availability of __float128 type:
// https://reviews.llvm.org/D15120
#define LIBC_TYPES_HAS_CFLOAT128
typedef _Complex __float128 cfloat128;
#elif (LDBL_MANT_DIG == 113)
#endif
#elif defined(__GNUC__)
#if (defined(__STDC_IEC_60559_COMPLEX__) || defined(__SIZEOF_FLOAT128__)) && \
(__GNUC__ >= 13 || (!defined(__cplusplus)))
#define LIBC_TYPES_HAS_CFLOAT128
typedef _Complex _Float128 cfloat128;
#endif
#endif

#if !defined(LIBC_TYPES_HAS_CFLOAT128) && (LDBL_MANT_DIG == 113)
#define LIBC_TYPES_HAS_CFLOAT128
#define LIBC_TYPES_CFLOAT128_IS_COMPLEX_LONG_DOUBLE
typedef _Complex long double cfloat128;
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