[strconv] Add parsing of Inf & NaN

tests/issues/test_issue_829.odin

@@ -3,31 +3,16 @@ package test_issues
 
 import "core:fmt"
 import "core:testing"
-import tc "tests:common"
 
 /* Original issue #829 example */
-
 env : map[string]proc(a, b : int) -> int = {
 	"+" = proc(a, b : int) -> int {
 		return a + b
 	},
 }
 
-test_orig :: proc() {
-	fmt.println(env["+"](1, 2))
-}
-
-main :: proc() {
-	t := testing.T{}
-
-	test_orig()
-
-	test_orig_ret(&t)
-
-	tc.report(&t)
-}
-
+@(test)
 test_orig_ret :: proc(t: ^testing.T) {
 	r := fmt.tprint(env["+"](1, 2))
-	tc.expect(t, r == "3", fmt.tprintf("%s: \"%s\" != \"3\"\n", #procedure, r))
+	testing.expect(t, r == "3", fmt.tprintf("%s: \"%s\" != \"3\"\n", #procedure, r))
 }