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newlib-cygwin
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2007-09-06 Jeff Johnston <jjohnstn@redhat.com> 

* libc/include/math.h (_M_LOG2E): New log2 of e macro.
        (log2): Use _M_LOG2E instead of M_LOG2E.
        (log2f): Ditto.
        (M_LOG2E): Define to be _M_LOG2E.
This commit is contained in:
Jeff Johnston 2007-09-06 19:51:46 +00:00
parent 1eb76b8f84
commit 6494ee837c
2 changed files with 14 additions and 3 deletions
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7
newlib/ChangeLog
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@ -1,3 +1,10 @@
2007-09-06 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/math.h (_M_LOG2E): New log2 of e macro.
(log2): Use _M_LOG2E instead of M_LOG2E.
(log2f): Ditto.
(M_LOG2E): Define to be _M_LOG2E.
2007-09-04 Kazunori Asayama <asayama@sm.sony.co.jp>
* libm/math/wf_tgamma.c: Add missing include.

10
newlib/libc/include/math.h
View File

@ -26,6 +26,10 @@ union __ldmath
_LONG_DOUBLE ld;
};
/* Log2 of e */
#define _M_LOG2E 1.4426950408889634074
#if defined(__GNUC__) && \
( (__GNUC__ >= 4) || \
( (__GNUC__ >= 3) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 3) ) )
@ -246,7 +250,7 @@ extern double gamma _PARAMS((double));
extern double lgamma _PARAMS((double));
extern double erf _PARAMS((double));
extern double erfc _PARAMS((double));
#define log2(x) (log (x) / M_LOG2_E)
#define log2(x) (log (x) / _M_LOG2_E)
#ifndef __math_68881
extern double hypot _PARAMS((double, double));
@ -323,7 +327,7 @@ extern float gammaf _PARAMS((float));
extern float lgammaf _PARAMS((float));
extern float erff _PARAMS((float));
extern float erfcf _PARAMS((float));
#define log2f(x) (logf (x) / (float) M_LOG2_E)
#define log2f(x) (logf (x) / (float) _M_LOG2_E)
extern float hypotf _PARAMS((float, float));
#endif /* ! defined (_REENT_ONLY) */
@ -420,7 +424,7 @@ extern int matherr _PARAMS((struct exception *e));
#define MAXFLOAT 3.40282347e+38F
#define M_E 2.7182818284590452354
#define M_LOG2E 1.4426950408889634074
#define M_LOG2E _M_LOG2E
#define M_LOG10E 0.43429448190325182765
#define M_LN2 0.69314718055994530942
#define M_LN10 2.30258509299404568402