adding cs142 code

cs142/smcquay/go/lab02/temperature/Makefile

@@ -0,0 +1,7 @@
+include $(GOROOT)/src/Make.inc
+
+TARG=temp
+GOFILES=\
+        temp.go
+
+include $(GOROOT)/src/Make.cmd

cs142/smcquay/go/lab02/temperature/temp.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+    "fmt"
+)
+
+func f2c(temp_F float32) float32 {
+    return 5.0/9.0 * (temp_F-32);
+}
+
+func main() {
+    var temp_F float32
+    fmt.Print("please enter a temperature: ")
+    fmt.Scan(&temp_F)
+    temp_C := f2c(temp_F)
+
+    fmt.Printf("%0.4fF as:\n", temp_F)
+    fmt.Printf("an int: %dF\n", int(temp_F))
+    fmt.Printf("a celsius float32: %0.4fC\n", temp_C)
+    fmt.Printf("a celcius int:     %dC\n", int(temp_C))
+}