| Index: fusl/src/math/nextafter.c
|
| diff --git a/fusl/src/math/nextafter.c b/fusl/src/math/nextafter.c
|
| index ab5795a47a93e36c8c461d8a4be6621b582ae077..8f51f95341327f5822467114957bc592fa98c181 100644
|
| --- a/fusl/src/math/nextafter.c
|
| +++ b/fusl/src/math/nextafter.c
|
| @@ -1,31 +1,33 @@
|
| #include "libm.h"
|
|
|
| -double nextafter(double x, double y)
|
| -{
|
| - union {double f; uint64_t i;} ux={x}, uy={y};
|
| - uint64_t ax, ay;
|
| - int e;
|
| +double nextafter(double x, double y) {
|
| + union {
|
| + double f;
|
| + uint64_t i;
|
| + } ux = {x}, uy = {y};
|
| + uint64_t ax, ay;
|
| + int e;
|
|
|
| - if (isnan(x) || isnan(y))
|
| - return x + y;
|
| - if (ux.i == uy.i)
|
| - return y;
|
| - ax = ux.i & -1ULL/2;
|
| - ay = uy.i & -1ULL/2;
|
| - if (ax == 0) {
|
| - if (ay == 0)
|
| - return y;
|
| - ux.i = (uy.i & 1ULL<<63) | 1;
|
| - } else if (ax > ay || ((ux.i ^ uy.i) & 1ULL<<63))
|
| - ux.i--;
|
| - else
|
| - ux.i++;
|
| - 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.f is subnormal or zero */
|
| - if (e == 0)
|
| - FORCE_EVAL(x*x + ux.f*ux.f);
|
| - return ux.f;
|
| + if (isnan(x) || isnan(y))
|
| + return x + y;
|
| + if (ux.i == uy.i)
|
| + return y;
|
| + ax = ux.i & -1ULL / 2;
|
| + ay = uy.i & -1ULL / 2;
|
| + if (ax == 0) {
|
| + if (ay == 0)
|
| + return y;
|
| + ux.i = (uy.i & 1ULL << 63) | 1;
|
| + } else if (ax > ay || ((ux.i ^ uy.i) & 1ULL << 63))
|
| + ux.i--;
|
| + else
|
| + ux.i++;
|
| + 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.f is subnormal or zero */
|
| + if (e == 0)
|
| + FORCE_EVAL(x * x + ux.f * ux.f);
|
| + return ux.f;
|
| }
|
|
|