extern "C" {
#endif
+#include <features.h>
+
#define __NEED_float_t
#define __NEED_double_t
#define __NEED___uint16_t
int __fpclassifyf(float);
int __fpclassifyl(long double);
-union __float_repr { float __f; __uint32_t __i; };
-union __double_repr { double __f; __uint64_t __i; };
-
-#define __FLOAT_BITS(f) (((union __float_repr){ (float)(f) }).__i)
-#define __DOUBLE_BITS(f) (((union __double_repr){ (double)(f) }).__i)
+static __inline __uint32_t __FLOAT_BITS(float __f)
+{
+ union {float __f; __uint32_t __i;} __u = {__f};
+ return __u.__i;
+}
+static __inline __uint64_t __DOUBLE_BITS(double __f)
+{
+ union {double __f; __uint64_t __i;} __u = {__f};
+ return __u.__i;
+}
#define fpclassify(x) ( \
sizeof(x) == sizeof(float) ? __fpclassifyf(x) : \
#define isunordered(x,y) (isnan((x)) ? ((void)(y),1) : isnan((y)))
-#if __STDC_VERSION__ >= 199901L
-inline
-#endif
-static int __isrel(long double __x, long double __y, int __rel)
-{
- if (isunordered(__x, __y)) return 0;
- if (__rel==-2) return __x < __y;
- if (__rel==2) return __x > __y;
- if (__rel==-1) return __x <= __y;
- if (__rel==1) return __x >= __y;
- return __x != __y;
-}
-
-#define isless(x,y) __isrel((x), (y), -2)
-#define islessequal(x,y) __isrel((x), (y), -1)
-#define islessgreater(x,y) __isrel((x), (y), 0)
-#define isgreaterequal(x,y) __isrel((x), (y), 1)
-#define isgreater(x,y) __isrel((x), (y), 2)
+#define __ISREL_DEF(rel, op, type) \
+static __inline int __is##rel(type __x, type __y) \
+{ return !isunordered(__x,__y) && __x op __y; }
+
+__ISREL_DEF(lessf, <, float)
+__ISREL_DEF(less, <, double)
+__ISREL_DEF(lessl, <, long double)
+__ISREL_DEF(lessequalf, <=, float)
+__ISREL_DEF(lessequal, <=, double)
+__ISREL_DEF(lessequall, <=, long double)
+__ISREL_DEF(lessgreaterf, !=, float)
+__ISREL_DEF(lessgreater, !=, double)
+__ISREL_DEF(lessgreaterl, !=, long double)
+__ISREL_DEF(greaterf, >, float)
+__ISREL_DEF(greater, >, double)
+__ISREL_DEF(greaterl, >, long double)
+__ISREL_DEF(greaterequalf, >=, float)
+__ISREL_DEF(greaterequal, >=, double)
+__ISREL_DEF(greaterequall, >=, long double)
+
+#define __tg_pred_2(x, y, p) ( \
+ sizeof((x)+(y)) == sizeof(float) ? p##f(x, y) : \
+ sizeof((x)+(y)) == sizeof(double) ? p(x, y) : \
+ p##l(x, y) )
+
+#define isless(x, y) __tg_pred_2(x, y, __isless)
+#define islessequal(x, y) __tg_pred_2(x, y, __islessequal)
+#define islessgreater(x, y) __tg_pred_2(x, y, __islessgreater)
+#define isgreater(x, y) __tg_pred_2(x, y, __isgreater)
+#define isgreaterequal(x, y) __tg_pred_2(x, y, __isgreaterequal)
double acos(double);
float acosf(float);
#if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE)
+#undef MAXFLOAT
#define MAXFLOAT 3.40282347e+38F
#endif
#ifdef _GNU_SOURCE
long double lgammal_r(long double, int*);
-long double j0l(long double);
-long double j1l(long double);
-long double jnl(int, long double);
-
-long double y0l(long double);
-long double y1l(long double);
-long double ynl(int, long double);
-
void sincos(double, double*, double*);
void sincosf(float, float*, float*);
void sincosl(long double, long double*, long double*);