| Index: fusl/src/math/nexttoward.c
|
| diff --git a/fusl/src/math/nexttoward.c b/fusl/src/math/nexttoward.c
|
| index 827ee5c3c23ab0d9c33ff4205835bf068f0320e8..7cdee83332e28b11e89731022c0d2db115ebbb93 100644
|
| --- a/fusl/src/math/nexttoward.c
|
| +++ b/fusl/src/math/nexttoward.c
|
| @@ -1,42 +1,43 @@
|
| #include "libm.h"
|
|
|
| #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
|
| -double nexttoward(double x, long double y)
|
| -{
|
| - return nextafter(x, y);
|
| +double nexttoward(double x, long double y) {
|
| + return nextafter(x, y);
|
| }
|
| #else
|
| -double nexttoward(double x, long double y)
|
| -{
|
| - union {double f; uint64_t i;} ux = {x};
|
| - int e;
|
| +double nexttoward(double x, long double y) {
|
| + union {
|
| + double f;
|
| + uint64_t i;
|
| + } ux = {x};
|
| + int e;
|
|
|
| - if (isnan(x) || isnan(y))
|
| - return x + y;
|
| - if (x == y)
|
| - return y;
|
| - if (x == 0) {
|
| - ux.i = 1;
|
| - if (signbit(y))
|
| - ux.i |= 1ULL<<63;
|
| - } else if (x < y) {
|
| - if (signbit(x))
|
| - ux.i--;
|
| - else
|
| - ux.i++;
|
| - } else {
|
| - if (signbit(x))
|
| - 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 (x == y)
|
| + return y;
|
| + if (x == 0) {
|
| + ux.i = 1;
|
| + if (signbit(y))
|
| + ux.i |= 1ULL << 63;
|
| + } else if (x < y) {
|
| + if (signbit(x))
|
| + ux.i--;
|
| + else
|
| + ux.i++;
|
| + } else {
|
| + if (signbit(x))
|
| + 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;
|
| }
|
| #endif
|
|
|