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fixed tgmath.h for functions with integral result 

in tgmath.h the return values are casted to the appropriate
floating-point type (if the compiler supports gcc __typeof__),
this is wrong in case of ilogb, lrint, llrint, lround, llround
which do not need such cast
This commit is contained in:
Szabolcs Nagy 2012-12-14 12:49:35 +01:00
parent 0f53c1a426
commit 9346094423
1 changed files with 9 additions and 7 deletions
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16
include/tgmath.h
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@ -59,10 +59,12 @@ sizeof(double) == sizeof(long double)
/* function selection */
#define __tg_real(fun, x) (__RETCAST(x)( \
#define __tg_real_nocast(fun, x) ( \
__FLT(x) ? fun ## f (x) : \
__LDBL(x) ? fun ## l (x) : \
fun(x) ))
fun(x) )
#define __tg_real(fun, x) (__RETCAST(x)__tg_real_nocast(fun, x))
#define __tg_real_2_1(fun, x, y) (__RETCAST(x)( \
__FLT(x) ? fun ## f (x, y) : \
@ -217,18 +219,18 @@ sizeof(double) == sizeof(long double)
#define fmod(x,y) __tg_real_2(fmod, (x), (y))
#define frexp(x,y) __tg_real_2_1(frexp, (x), (y))
#define hypot(x,y) __tg_real_2(hypot, (x), (y))
#define ilogb(x) __tg_real(ilogb, (x))
#define ilogb(x) __tg_real_nocast(ilogb, (x))
#define ldexp(x,y) __tg_real_2_1(ldexp, (x), (y))
#define lgamma(x) __tg_real(lgamma, (x))
#define llrint(x) __tg_real(llrint, (x))
#define llround(x) __tg_real(llround, (x))
#define llrint(x) __tg_real_nocast(llrint, (x))
#define llround(x) __tg_real_nocast(llround, (x))
#define log(x) __tg_real_complex(log, (x))
#define log10(x) __tg_real(log10, (x))
#define log1p(x) __tg_real(log1p, (x))
#define log2(x) __tg_real(log2, (x))
#define logb(x) __tg_real(logb, (x))
#define lrint(x) __tg_real(lrint, (x))
#define lround(x) __tg_real(lround, (x))
#define lrint(x) __tg_real_nocast(lrint, (x))
#define lround(x) __tg_real_nocast(lround, (x))
#define nearbyint(x) __tg_real(nearbyint, (x))
#define nextafter(x,y) __tg_real_2(nextafter, (x), (y))
#define nexttoward(x,y) __tg_real_2(nexttoward, (x), (y))