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| author | Charles L. Dorian <cldorian@gmail.com> | 2010-04-09 14:37:26 -0700 |
|---|---|---|
| committer | Charles L. Dorian <cldorian@gmail.com> | 2010-04-09 14:37:26 -0700 |
| commit | 0f1ff9ddf3f4b68c000775c8c66604c643d3f9a5 (patch) | |
| tree | 64c845f66a994b4c8238cab8bc131d061f95d224 | |
| parent | db29cd3d807e01e17add6dd664c408d8977eaa1b (diff) | |
| download | golang-0f1ff9ddf3f4b68c000775c8c66604c643d3f9a5.tar.gz | |
cmath: use ** for exponentiation in comments
R=rsc
CC=golang-dev
http://codereview.appspot.com/831045
Committer: Russ Cox <rsc@golang.org>
| -rw-r--r-- | src/pkg/cmath/exp.go | 2 | ||||
| -rw-r--r-- | src/pkg/cmath/polar.go | 2 | ||||
| -rw-r--r-- | src/pkg/cmath/pow.go | 2 | ||||
| -rw-r--r-- | src/pkg/cmath/sqrt.go | 4 |
4 files changed, 5 insertions, 5 deletions
diff --git a/src/pkg/cmath/exp.go b/src/pkg/cmath/exp.go index 7f7e53a64..1a639c596 100644 --- a/src/pkg/cmath/exp.go +++ b/src/pkg/cmath/exp.go @@ -47,7 +47,7 @@ import "math" // DEC -10,+10 8700 3.7e-17 1.1e-17 // IEEE -10,+10 30000 3.0e-16 8.7e-17 -// Exp returns e^x, the base-e exponential of x. +// Exp returns e**x, the base-e exponential of x. func Exp(x complex128) complex128 { r := math.Exp(real(x)) s, c := math.Sincos(imag(x)) diff --git a/src/pkg/cmath/polar.go b/src/pkg/cmath/polar.go index 0573a99c5..f55aef42b 100644 --- a/src/pkg/cmath/polar.go +++ b/src/pkg/cmath/polar.go @@ -5,7 +5,7 @@ package cmath // Polar returns the absolute value r and phase θ of x, -// such that x = r * e^θi. +// such that x = r * e**θi. // The phase is in the range (-Pi, Pi]. func Polar(x complex128) (r, θ float64) { return Abs(x), Phase(x) diff --git a/src/pkg/cmath/pow.go b/src/pkg/cmath/pow.go index bb8698433..de2c4db56 100644 --- a/src/pkg/cmath/pow.go +++ b/src/pkg/cmath/pow.go @@ -42,7 +42,7 @@ import "math" // arithmetic domain # trials peak rms // IEEE -10,+10 30000 9.4e-15 1.5e-15 -// Pow returns x^y, the base-x exponential of y. +// Pow returns x**y, the base-x exponential of y. func Pow(x, y complex128) complex128 { modulus := Abs(x) if modulus == 0 { diff --git a/src/pkg/cmath/sqrt.go b/src/pkg/cmath/sqrt.go index d4023184d..58bc4b691 100644 --- a/src/pkg/cmath/sqrt.go +++ b/src/pkg/cmath/sqrt.go @@ -81,9 +81,9 @@ func Sqrt(x complex128) complex128 { b *= 0.25 scale = 2 } else { - a *= 1.8014398509481984e16 // 2^54 + a *= 1.8014398509481984e16 // 2**54 b *= 1.8014398509481984e16 - scale = 7.450580596923828125e-9 // 2^-27 + scale = 7.450580596923828125e-9 // 2**-27 } r := math.Hypot(a, b) var t float64 |