blob: 90d211bf5b31b8ca9aeddeb14c127ff82b0dfd26 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
|
// 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 Atan2(y, x float64) float64 // =atan(y/x)
TEXT ·Atan2(SB),NOSPLIT,$0
FMOVD y+0(FP), F0 // F0=y
FMOVD x+8(FP), F0 // F0=x, F1=y
FPATAN // F0=atan(F1/F0)
FMOVDP F0, ret+16(FP)
RET
|
