Added code and test for functions

bwarfson · bwarfson · commit 87cc91aaeb1a · 2014-12-18T20:11:08.000-07:00
diff --git a/cachematrix.R b/cachematrix.R
@@ -4,12 +4,38 @@
 ## Write a short comment describing this function
 
 makeCacheMatrix <- function(x = matrix()) {
-
+  s <- NULL
+  set <- function(y) {
+    x <<- y
+    s <<- NULL
+  }
+  get <- function() x
+  setsolve <- function(solve) s <<- solve
+  getsolve <- function() s
+  list(set = set, get = get,
+       setsolve = setsolve,
+       getsolve = getsolve)
 }
 
 
 ## Write a short comment describing this function
 
 cacheSolve <- function(x, ...) {
         ## Return a matrix that is the inverse of 'x'
+  s <- x$getsolve()
+  if(!is.null(s)) {
+    message("getting cached data")
+    return(s)
+  }
+  data <- x$get()
+  s <- solve(data, ...)
+  x$setsolve(s)
+  s
 }
+
+#m <- matrix(sample.int(100,size=9,replace=TRUE), nrow=3)
+#m
+#d <- makeCacheMatrix(m)
+#cacheSolve(d)
+#d$set(m)
+#cacheSolve(d)
