fix wide printf forms ignoring width for %lc format specifier

[musl] / src / math / nexttoward.c

diff --git a/src/math/nexttoward.c b/src/math/nexttoward.c
index 6f32eca..827ee5c 100644 (file)
--- a/src/math/nexttoward.c
+++ b/src/math/nexttoward.c
@@ -6,40 +6,37 @@ double nexttoward(double x, long double y)
        return nextafter(x, y);
 }
 #else
-#define SIGN ((uint64_t)1<<63)
-
 double nexttoward(double x, long double y)
 {
-       union dshape ux;
+       union {double f; uint64_t i;} ux = {x};
        int e;
 
        if (isnan(x) || isnan(y))
                return x + y;
        if (x == y)
                return y;
-       ux.value = x;
        if (x == 0) {
-               ux.bits = 1;
+               ux.i = 1;
                if (signbit(y))
-                       ux.bits |= SIGN;
+                       ux.i |= 1ULL<<63;
        } else if (x < y) {
                if (signbit(x))
-                       ux.bits--;
+                       ux.i--;
                else
-                       ux.bits++;
+                       ux.i++;
        } else {
                if (signbit(x))
-                       ux.bits++;
+                       ux.i++;
                else
-                       ux.bits--;
+                       ux.i--;
        }
-       e = ux.bits>>52 & 0x7ff;
-       /* raise overflow if ux.value is infinite and x is finite */
+       e = ux.i>>52 & 0x7ff;
+       /* raise overflow if ux.f is infinite and x is finite */
        if (e == 0x7ff)
                FORCE_EVAL(x+x);
-       /* raise underflow if ux.value is subnormal or zero */
+       /* raise underflow if ux.f is subnormal or zero */
        if (e == 0)
-               FORCE_EVAL(x*x + ux.value*ux.value);
-       return ux.value;
+               FORCE_EVAL(x*x + ux.f*ux.f);
+       return ux.f;
 }
 #endif