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; |
} |