#define MATH_ERREXCEPT 2
#define math_errhandling 2
-#define FP_ILOGBNAN (((unsigned)-1)>>1)
-#define FP_ILOGB0 (~FP_ILOGBNAN)
+#define FP_ILOGBNAN (-1-(int)(((unsigned)-1)>>1))
+#define FP_ILOGB0 FP_ILOGBNAN
#define FP_NAN 0
#define FP_INFINITE 1
float truncf(float);
long double truncl(long double);
-#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
-#define MAXFLOAT 3.40282347e+38F
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
#define M_E 2.7182818284590452354 /* e */
#define M_LOG2E 1.4426950408889634074 /* log_2 e */
#define M_LOG10E 0.43429448190325182765 /* log_10 e */
#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
+#endif
+#if defined(_XOPEN_SOURCE)
+#define MAXFLOAT 3.40282347e+38F
+#endif
+
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
extern int signgam;
double j0(double);
#endif
#ifdef _GNU_SOURCE
+#define HUGE 3.40282347e+38F
double scalb(double, double);
float scalbf(float, float);
long double scalbl(long double, long double);
double exp10(double);
float exp10f(float);
long double exp10l(long double);
+double pow10(double);
+float pow10f(float);
+long double pow10l(long double);
#endif
#ifdef __cplusplus