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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.
// func Atan2(y, x float64) float64 // =atan(y/x)
TEXT ·Atan2(SB),7,$0
FMOVD y+0(FP), F0 // F0=y
FMOVD x+8(FP), F0 // F0=x, F1=y
FPATAN // F0=atan(F1/F0)
FMOVDP F0, r+16(FP)