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Restore the longer form of the _Generic. The short form does not work in C++.

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This commit is contained in:
theraven 2013-07-29 12:33:03 +00:00
parent b37d7ced75
commit 613035d60b
1 changed files with 11 additions and 2 deletions
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13
lib/msun/src/math.h
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@ -83,10 +83,19 @@ extern const union __nan_un {
#if (__STDC_VERSION__ >= 201112L && defined(__clang__)) || \
__has_extension(c_generic_selections)
#define __fp_type_select(x, f, d, ld) _Generic((0,(x)), \
#define __fp_type_select(x, f, d, ld) _Generic((x), \
float: f(x), \
double: d(x), \
long double: ld(x))
long double: ld(x), \
volatile float: f(x), \
volatile double: d(x), \
volatile long double: ld(x), \
volatile const float: f(x), \
volatile const double: d(x), \
volatile const long double: ld(x), \
const float: f(x), \
const double: d(x), \
const long double: ld(x))
#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus)
#define __fp_type_select(x, f, d, ld) __builtin_choose_expr( \
__builtin_types_compatible_p(__typeof(x), long double), ld(x), \