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authorSzabolcs Nagy <nsz@port70.net>2012-12-14 12:49:35 +0100
committerSzabolcs Nagy <nsz@port70.net>2012-12-14 12:49:35 +0100
commit934609442339edb21a33532ccefac8b78e6305f2 (patch)
tree7e11b8280e7edbe789f9149936406d2a8596c6f0 /include
parent0f53c1a4266ad4cca28115e2c3bcfdc86337d8ca (diff)
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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
Diffstat (limited to 'include')
-rw-r--r--include/tgmath.h16
1 files changed, 9 insertions, 7 deletions
diff --git a/include/tgmath.h b/include/tgmath.h
index 5b65e21f..832b052b 100644
--- a/include/tgmath.h
+++ b/include/tgmath.h
@@ -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))