arch/aarch64-all/include/aros/fenv.h

   1 #ifndef AROS_AARCH64_FENV_H
   2 #define AROS_AARCH64_FENV_H
   3 /*
   4     Copyright © 2016, The AROS Development Team. All rights reserved.
   5     $Id$
   6  */
   7
   8 #include <aros/system.h>
   9 #include <aros/types/int_t.h>
  10
  11 typedef uint32_t        fenv_t;
  12 typedef uint32_t        fexcept_t;
  13
  14 /* Exception flags */
  15 #define FE_INVALID      0x0001
  16 #define FE_DIVBYZERO    0x0002
  17 #define FE_OVERFLOW     0x0004
  18 #define FE_UNDERFLOW    0x0008
  19 #define FE_INEXACT      0x0010
  20 #define FE_DENORMAL     0x0080
  21 #define FE_ALL_EXCEPT   (FE_DIVBYZERO | FE_INEXACT | FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW | FE_DENORMAL)
  22
  23 /* Rounding modes */
  24 #define FE_TONEAREST    0x00000000
  25 #define FE_TOWARDZERO   0x00c00000
  26 #define FE_UPWARD       0x00400000
  27 #define FE_DOWNWARD     0x00800000
  28 #define _ROUND_MASK     (FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO)
  29
  30 __BEGIN_DECLS
  31
  32 /* Default floating-point environment */
  33 extern const fenv_t     __fe_dfl_env;
  34 #define FE_DFL_ENV      (&__fe_dfl_env)
  35
  36 #ifndef STDC_NOINLINE
  37 static __inline int feclearexcept(int __excepts)
  38 {
  39     return 0;
  40 }
  41
  42 static __inline int fegetexceptflag(fexcept_t *__flagp, int __excepts)
  43 {
  44     *__flagp = 0;
  45     return 0;
  46 }
  47
  48 static __inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts)
  49 {
  50     return 0;
  51 }
  52
  53 static __inline int feraiseexcept(int __excepts)
  54 {
  55     return 0;
  56 }
  57
  58 static __inline int fetestexcept(int __excepts)
  59 {
  60     return 0;
  61 }
  62
  63 static __inline int fegetround(void)
  64 {
  65     return -1;
  66 }
  67
  68 static __inline int fesetround(int __round)
  69 {
  70     return -1;
  71 }
  72
  73 static __inline int fegetenv(fenv_t *__envp)
  74 {
  75     return 0;
  76 }
  77
  78 static __inline int feholdexcept(fenv_t *__envp)
  79 {
  80     *__envp = 0;
  81     return 0;
  82 }
  83
  84 static __inline int fesetenv(const fenv_t *__envp)
  85 {
  86     return 0;
  87 }
  88
  89 static __inline int feupdateenv(const fenv_t *__envp)
  90 {
  91     return 0;
  92 }
  93 #endif /* !STDC_NOINLINE */
  94
  95 #if __BSD_VISIBLE
  96 #ifndef STDC_NOINLINE
  97 static __inline int feenableexcept(int __mask)
  98 {
  99     return 0;
 100 }
 101
 102 static __inline int fedisableexcept(int __mask)
 103 {
 104     return 0;
 105 }
 106
 107 static __inline int fegetexcept(void)
 108 {
 109     return 0;
 110 }
 111 #endif /* !STDC_NOINLINE */
 112
 113 #endif /* __BSD_VISIBLE */
 114
 115 __END_DECLS
 116
 117 #endif  /* AROS_AARCH64_FENV_H */