From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/math/i386/atan2.s | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 src/math/i386/atan2.s

(limited to 'src/math/i386/atan2.s')

diff --git a/src/math/i386/atan2.s b/src/math/i386/atan2.s
new file mode 100644
index 0000000..8bc441b
--- /dev/null
+++ b/src/math/i386/atan2.s
@@ -0,0 +1,15 @@
+.global atan2
+.type atan2,@function
+atan2:
+	fldl 4(%esp)
+	fldl 12(%esp)
+	fpatan
+	fstpl 4(%esp)
+	fldl 4(%esp)
+	mov 8(%esp),%eax
+	add %eax,%eax
+	cmp $0x00200000,%eax
+	jae 1f
+		# subnormal x, return x with underflow
+	fsts 4(%esp)
+1:	ret
-- 
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