diff options
Diffstat (limited to 'lib/builtins/int_math.h')
| -rw-r--r-- | lib/builtins/int_math.h | 66 |
1 files changed, 31 insertions, 35 deletions
diff --git a/lib/builtins/int_math.h b/lib/builtins/int_math.h index aa3d0721a..58d8990f3 100644 --- a/lib/builtins/int_math.h +++ b/lib/builtins/int_math.h @@ -1,34 +1,31 @@ -/* ===-- int_math.h - internal math inlines ---------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===-----------------------------------------------------------------------=== - * - * This file is not part of the interface of this library. - * - * This file defines substitutes for the libm functions used in some of the - * compiler-rt implementations, defined in such a way that there is not a direct - * dependency on libm or math.h. Instead, we use the compiler builtin versions - * where available. This reduces our dependencies on the system SDK by foisting - * the responsibility onto the compiler. - * - * ===-----------------------------------------------------------------------=== - */ +//===-- int_math.h - internal math inlines --------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file is not part of the interface of this library. +// +// This file defines substitutes for the libm functions used in some of the +// compiler-rt implementations, defined in such a way that there is not a direct +// dependency on libm or math.h. Instead, we use the compiler builtin versions +// where available. This reduces our dependencies on the system SDK by foisting +// the responsibility onto the compiler. +// +//===----------------------------------------------------------------------===// #ifndef INT_MATH_H #define INT_MATH_H #ifndef __has_builtin -# define __has_builtin(x) 0 +#define __has_builtin(x) 0 #endif #if defined(_MSC_VER) && !defined(__clang__) #include <math.h> #include <stdlib.h> -#include <ymath.h> #endif #if defined(_MSC_VER) && !defined(__clang__) @@ -42,24 +39,23 @@ #define crt_isinf(x) !_finite((x)) #define crt_isnan(x) _isnan((x)) #else -/* Define crt_isfinite in terms of the builtin if available, otherwise provide - * an alternate version in terms of our other functions. This supports some - * versions of GCC which didn't have __builtin_isfinite. - */ +// Define crt_isfinite in terms of the builtin if available, otherwise provide +// an alternate version in terms of our other functions. This supports some +// versions of GCC which didn't have __builtin_isfinite. #if __has_builtin(__builtin_isfinite) -# define crt_isfinite(x) __builtin_isfinite((x)) +#define crt_isfinite(x) __builtin_isfinite((x)) #elif defined(__GNUC__) -# define crt_isfinite(x) \ - __extension__(({ \ - __typeof((x)) x_ = (x); \ - !crt_isinf(x_) && !crt_isnan(x_); \ - })) +#define crt_isfinite(x) \ + __extension__(({ \ + __typeof((x)) x_ = (x); \ + !crt_isinf(x_) && !crt_isnan(x_); \ + })) #else -# error "Do not know how to check for infinity" -#endif /* __has_builtin(__builtin_isfinite) */ +#error "Do not know how to check for infinity" +#endif // __has_builtin(__builtin_isfinite) #define crt_isinf(x) __builtin_isinf((x)) #define crt_isnan(x) __builtin_isnan((x)) -#endif /* _MSC_VER */ +#endif // _MSC_VER #if defined(_MSC_VER) && !defined(__clang__) #define crt_copysign(x, y) copysign((x), (y)) @@ -107,4 +103,4 @@ #define crt_scalbnl(x, y) __builtin_scalbnl((x), (y)) #endif -#endif /* INT_MATH_H */ +#endif // INT_MATH_H |