path: root/src/internal
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authorSzabolcs Nagy <>2013-09-06 18:35:55 +0000
committerSzabolcs Nagy <>2013-09-06 18:35:55 +0000
commit9b0fcb441a44456c7b071c7cdaf90403f81ec05a (patch)
treeebb08b777b53c318dc8ba55cd2979a17689843d6 /src/internal
parentf657fe4b9f734d7fdea515af8dffbf7c28ce4fbc (diff)
math: remove STRICT_ASSIGN macro
gcc did not always drop excess precision according to c99 at assignments before version 4.5 even if -std=c99 was requested which caused badly broken mathematical functions on i386 when FLT_EVAL_METHOD!=0 but STRICT_ASSIGN was not used consistently and it is worked around for old compilers with -ffloat-store so it is no longer needed the new convention is to get the compiler respect c99 semantics and when excess precision is not harmful use float_t or double_t or to specialize code using FLT_EVAL_METHOD
Diffstat (limited to 'src/internal')
1 files changed, 0 insertions, 11 deletions
diff --git a/src/internal/libm.h b/src/internal/libm.h
index 9f0d3bc8..ebcd7849 100644
--- a/src/internal/libm.h
+++ b/src/internal/libm.h
@@ -155,15 +155,4 @@ long double __tanl(long double, long double, int);
long double __polevll(long double, const long double *, int);
long double __p1evll(long double, const long double *, int);
-#if 0
-/* Attempt to get strict C99 semantics for assignment with non-C99 compilers. */
-#define STRICT_ASSIGN(type, lval, rval) do { \
- volatile type __v = (rval); \
- (lval) = __v; \
-} while (0)
-/* Should work with -fexcess-precision=standard (>=gcc-4.5) or -ffloat-store */
-#define STRICT_ASSIGN(type, lval, rval) ((lval) = (type)(rval))