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authorKacper <kacper@mail.openlinux.dev>2025-12-09 19:20:15 +0100
committerKacper <kacper@mail.openlinux.dev>2025-12-09 19:20:15 +0100
commit885f5974cdf65b59415837ae97f5a14ef1350670 (patch)
tree66ac13de29c7f4932c5fcae11773df574e4e256a /lib/libm/truncf.c
parent8f9e448b2ef6db7cd905540c21f3c5b190e7a1e7 (diff)
feat: add gzip and new headers
Diffstat (limited to 'lib/libm/truncf.c')
-rw-r--r--lib/libm/truncf.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/libm/truncf.c b/lib/libm/truncf.c
new file mode 100644
index 00000000..4cdf082e
--- /dev/null
+++ b/lib/libm/truncf.c
@@ -0,0 +1,22 @@
+#include "libm.h"
+
+float truncf(float x)
+{
+ union {
+ float f;
+ uint32_t i;
+ } u = { x };
+ int e = (int)(u.i >> 23 & 0xff) - 0x7f + 9;
+ uint32_t m;
+
+ if (e >= 23 + 9)
+ return x;
+ if (e < 9)
+ e = 1;
+ m = -1U >> e;
+ if ((u.i & m) == 0)
+ return x;
+ FORCE_EVAL(x + 0x1p120f);
+ u.i &= ~m;
+ return u.f;
+}