Added C functions for linear algebra, to be converted to kraken and used as benchmark

ChrisTest/TrigTest.krak

@@ -0,0 +1,39 @@
+import io:*;
+import math:*;
+
+|int| main()
+{
+  |double| ans;
+  |double| STD_PI = 4.0*atan(1.0);
+  
+  /*
+  ans = 4.0*atan(1.0);
+  print("atan = ");
+  println(ans);
+
+  ans = atan2(0.0,1.0);
+  print("atan2 = ");
+  println(ans);
+
+  ans = acos(1.0);
+  print("acos = ");
+  println(ans);
+  
+  ans = 2.0 * asin(1.0);
+  print("asin = ");
+  println(ans);
+  
+  ans = tan(STD_PI / 4.0);
+  print("tan = ");
+  println(ans);
+
+  ans = cos(0.0);
+  print("cos = ");
+  println(ans);
+
+  ans = sin(0.0);
+  print("sin = ");
+  println(ans);
+  */
+  return 0;
+}