From 9e2973717806ee28d592b57069a68a14c6a8c077 Mon Sep 17 00:00:00 2001
From: Michael Fellinger <m.fellinger@gmail.com>
Date: Tue, 4 Jan 2011 20:57:00 +0900
Subject: [PATCH] add sin proc for math

---
 lib/pure/math.nim | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/pure/math.nim b/lib/pure/math.nim
index 8e3dd4bdb..a55f4495d 100755
--- a/lib/pure/math.nim
+++ b/lib/pure/math.nim
@@ -159,6 +159,7 @@ when not defined(ECMAScript):
     ## same as ``sqrt(x*x + y*y)``.
   
   proc sinh*(x: float): float {.importc: "sinh", header: "<math.h>".}
+  proc sin*(x: float): float {.importc: "sin", header: "<math.h>".}
   proc tan*(x: float): float {.importc: "tan", header: "<math.h>".}
   proc tanh*(x: float): float {.importc: "tanh", header: "<math.h>".}
   proc pow*(x, y: float): float {.importc: "pow", header: "<math.h>".}
@@ -209,6 +210,7 @@ else:
   proc cosh*(x: float): float = return (exp(x)+exp(-x))*0.5
   proc hypot*(x, y: float): float = return sqrt(x*x + y*y)
   proc sinh*(x: float): float = return (exp(x)-exp(-x))*0.5
+  proc sin*(x: float): float {.importc: "Math.sin", nodecl.}
   proc tan*(x: float): float {.importc: "Math.tan", nodecl.}
   proc tanh*(x: float): float =
     var y = exp(2.0*x)