+2007-09-07 Jeff Johnston <jjohnstn@redhat.com>
+
+ * libc/include/math.h (_M_LOG2E): Replace with..
+ (_M_LOG2_E): New macro.
+ (log2, log2f, M_LOG2_E): Use _M_LOG2_E.
+
2007-09-06 Brian Dessent <brian@dessent.net>
* libc/reent/getreent.c: Allow for case where __getreent is
_LONG_DOUBLE ld;
};
-/* Log2 of e */
-#define _M_LOG2E 1.4426950408889634074
-
+/* Natural log of 2 */
+#define _M_LOG2_E 0.693147180559945309417
#if defined(__GNUC__) && \
( (__GNUC__ >= 4) || \
extern double lgamma _PARAMS((double));
extern double erf _PARAMS((double));
extern double erfc _PARAMS((double));
-#define log2(x) (log (x) / _M_LOG2E)
+#define log2(x) (log (x) / _M_LOG2_E)
#ifndef __math_68881
extern double hypot _PARAMS((double, double));
extern float lgammaf _PARAMS((float));
extern float erff _PARAMS((float));
extern float erfcf _PARAMS((float));
-#define log2f(x) (logf (x) / (float) _M_LOG2E)
+#define log2f(x) (logf (x) / (float) _M_LOG2_E)
extern float hypotf _PARAMS((float, float));
#endif /* ! defined (_REENT_ONLY) */
#define MAXFLOAT 3.40282347e+38F
#define M_E 2.7182818284590452354
-#define M_LOG2E _M_LOG2E
+#define M_LOG2E 1.4426950408889634074
#define M_LOG10E 0.43429448190325182765
#define M_LN2 0.69314718055994530942
#define M_LN10 2.30258509299404568402
#define M_LN2HI 6.9314718036912381649E-1
#define M_SQRT3 1.73205080756887719000
#define M_IVLN10 0.43429448190325182765 /* 1 / log(10) */
-#define M_LOG2_E 0.693147180559945309417
+#define M_LOG2_E _M_LOG2_E
#define M_INVLN2 1.4426950408889633870E0 /* 1 / log(2) */
/* Global control over fdlibm error handling. */