From fbf131b5c043b27e0b1543374bb144e3e426f723 Mon Sep 17 00:00:00 2001
From: Tyler Murphy <=>
Date: Sun, 16 Jul 2023 02:54:32 -0400
Subject: initial

---
 libk/src/math/abs.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 libk/src/math/abs.c

(limited to 'libk/src/math/abs.c')

diff --git a/libk/src/math/abs.c b/libk/src/math/abs.c
new file mode 100644
index 0000000..1757272
--- /dev/null
+++ b/libk/src/math/abs.c
@@ -0,0 +1,14 @@
+#include <math.h>
+#include <stdint.h>
+
+float fabsf(float num) {
+	union {float f; uint32_t i;} u = {num};
+	u.i &= 0x7fffffff;
+	return u.f;
+}
+
+double fabs(double num) {
+	union {double f; uint64_t i;} u = {num};
+	u.i &= -1ULL/2;
+	return u.f;
+}
-- 
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