diff options
Diffstat (limited to 'chickadee/math.scm')
-rw-r--r-- | chickadee/math.scm | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/chickadee/math.scm b/chickadee/math.scm index c61b862..9286fe4 100644 --- a/chickadee/math.scm +++ b/chickadee/math.scm @@ -18,7 +18,7 @@ (define-module (chickadee math) #:export (pi pi/2 - 2pi + tau cotan clamp min @@ -30,7 +30,7 @@ (define pi 3.14159265358979323846) (define pi/2 (/ pi 2.0)) -(define 2pi (* pi 2.0)) +(define tau 6.283185307179586) ;; AKA 2pi (define-inlinable (cotan z) "Return the cotangent of Z." |