From 885f5974cdf65b59415837ae97f5a14ef1350670 Mon Sep 17 00:00:00 2001 From: Kacper Date: Tue, 9 Dec 2025 19:20:15 +0100 Subject: feat: add gzip and new headers --- lib/libm/rint.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 lib/libm/rint.c (limited to 'lib/libm/rint.c') diff --git a/lib/libm/rint.c b/lib/libm/rint.c new file mode 100644 index 00000000..f1159643 --- /dev/null +++ b/lib/libm/rint.c @@ -0,0 +1,31 @@ +#include +#include +#include + +#if FLT_EVAL_METHOD == 0 || FLT_EVAL_METHOD == 1 +#define EPS DBL_EPSILON +#elif FLT_EVAL_METHOD == 2 +#define EPS LDBL_EPSILON +#endif +static const double_t toint = 1 / EPS; + +double rint(double x) +{ + union { + double f; + uint64_t i; + } u = { x }; + int e = u.i >> 52 & 0x7ff; + int s = u.i >> 63; + double_t y; + + if (e >= 0x3ff + 52) + return x; + if (s) + y = x - toint + toint; + else + y = x + toint - toint; + if (y == 0) + return s ? -0.0 : 0; + return y; +} -- cgit v1.2.3