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/sinhf.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 lib/libm/sinhf.c (limited to 'lib/libm/sinhf.c') diff --git a/lib/libm/sinhf.c b/lib/libm/sinhf.c new file mode 100644 index 00000000..e5bd1a2a --- /dev/null +++ b/lib/libm/sinhf.c @@ -0,0 +1,34 @@ +#include "libm.h" + +float sinhf(float x) +{ + union { + float f; + uint32_t i; + } u = { .f = x }; + uint32_t w; + float t, h, absx; + + h = 0.5; + if (u.i >> 31) + h = -h; + /* |x| */ + u.i &= 0x7fffffff; + absx = u.f; + w = u.i; + + /* |x| < log(FLT_MAX) */ + if (w < 0x42b17217) { + t = expm1f(absx); + if (w < 0x3f800000) { + if (w < 0x3f800000 - (12 << 23)) + return x; + return h * (2 * t - t * t / (t + 1)); + } + return h * (t + t / (t + 1)); + } + + /* |x| > logf(FLT_MAX) or nan */ + t = __expo2f(absx, 2 * h); + return t; +} -- cgit v1.2.3