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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "textflag.h"
// func Atan(x float64) float64
TEXT ·Atan(SB),NOSPLIT,$0
FMOVD x+0(FP), F0 // F0=x
FLD1 // F0=1, F1=x
FPATAN // F0=atan(F1/F0)
FMOVDP F0, ret+8(FP)
RET
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