blob: f3976b1d35095e5cb12a2d360f061df34566530d [file] [log] [blame]
// 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