1 // Copyright 2010 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package cmplx 6 7 import "math" 8 9 // Rect returns the complex number x with polar coordinates r, . 10 func Rect(r, float64) complex128 { 11 s, c := math.Sincos() 12 return complex(r*c, r*s) 13 } 14
