| Index: fusl/src/math/round.c
|
| diff --git a/fusl/src/math/round.c b/fusl/src/math/round.c
|
| index 130d58d2571e77cc15a67b355010e11c5ebebe91..ad1baa8240a0bd8b1c33cf5003d02d141458b28e 100644
|
| --- a/fusl/src/math/round.c
|
| +++ b/fusl/src/math/round.c
|
| @@ -1,35 +1,37 @@
|
| #include "libm.h"
|
|
|
| -#if FLT_EVAL_METHOD==0 || FLT_EVAL_METHOD==1
|
| +#if FLT_EVAL_METHOD == 0 || FLT_EVAL_METHOD == 1
|
| #define EPS DBL_EPSILON
|
| -#elif FLT_EVAL_METHOD==2
|
| +#elif FLT_EVAL_METHOD == 2
|
| #define EPS LDBL_EPSILON
|
| #endif
|
| -static const double_t toint = 1/EPS;
|
| +static const double_t toint = 1 / EPS;
|
|
|
| -double round(double x)
|
| -{
|
| - union {double f; uint64_t i;} u = {x};
|
| - int e = u.i >> 52 & 0x7ff;
|
| - double_t y;
|
| +double round(double x) {
|
| + union {
|
| + double f;
|
| + uint64_t i;
|
| + } u = {x};
|
| + int e = u.i >> 52 & 0x7ff;
|
| + double_t y;
|
|
|
| - if (e >= 0x3ff+52)
|
| - return x;
|
| - if (u.i >> 63)
|
| - x = -x;
|
| - if (e < 0x3ff-1) {
|
| - /* raise inexact if x!=0 */
|
| - FORCE_EVAL(x + toint);
|
| - return 0*u.f;
|
| - }
|
| - y = x + toint - toint - x;
|
| - if (y > 0.5)
|
| - y = y + x - 1;
|
| - else if (y <= -0.5)
|
| - y = y + x + 1;
|
| - else
|
| - y = y + x;
|
| - if (u.i >> 63)
|
| - y = -y;
|
| - return y;
|
| + if (e >= 0x3ff + 52)
|
| + return x;
|
| + if (u.i >> 63)
|
| + x = -x;
|
| + if (e < 0x3ff - 1) {
|
| + /* raise inexact if x!=0 */
|
| + FORCE_EVAL(x + toint);
|
| + return 0 * u.f;
|
| + }
|
| + y = x + toint - toint - x;
|
| + if (y > 0.5)
|
| + y = y + x - 1;
|
| + else if (y <= -0.5)
|
| + y = y + x + 1;
|
| + else
|
| + y = y + x;
|
| + if (u.i >> 63)
|
| + y = -y;
|
| + return y;
|
| }
|
|
|