tryfix: linux

test/test/std_test.pi

@@ -6,31 +6,56 @@ pub fn test_std() void {
     let chars = [1,2,3];
     let subchars = [3];
     let re1 =  chars.index_of(subchars);
+    println!(1);
     panic::assert(re is i64);
+        println!(2);
     panic::assert((re as i64!) == 2);
-
+    println!(3);
     panic::assert(re1 is i64);
+        println!(4);
     panic::assert((re1 as i64!) == 2);
+        println!(5);
     panic::assert("abcde".index_of("dde") is None);
+        println!(6);
     panic::assert("今宵又，折长柳。月娥抛落杯中酒".contains("折长柳"));
+        println!(7);
     panic::assert(!"今宵又，折长柳。月娥抛落杯中酒".contains("折短柳"));
+        println!(8);
     panic::assert("月娥抛落杯中酒".chars().eq(&['月', '娥', '抛', '落', '杯', '中', '酒']));
+        println!(9);
+    let s =    string::from_chars("月娥抛落杯中酒".chars());
+    let byte_len = s.byte_len();
+    println!(byte_len);
+    let l = s.len();
+    println!(l);
+    println!(s);
+
     panic::assert(string::from_chars("月娥抛落杯中酒".chars()).eq(&"月娥抛落杯中酒"));
+        println!(10);
     panic::assert("今宵又，折长柳。月娥抛落杯中酒".slice(8, 7).eq(&"月娥抛落杯中酒"));
+        println!(11);
     panic::assert([1,2,3].slice(2, 1).eq(&[3]));
+        println!(12);
     let arr1 = [1,3,5];
     let arr2 = [3,2,1];
     arr1.copy(arr2, 2);
     panic::assert(arr2.eq(&[1,3,1]));
+        println!(13);
     arr1.slice(2, 1)[0] = 9;
     panic::assert(arr1.eq(&[1,3,9]));
+        println!(14);
     panic::assert( 2.0.powf(2.0)==4.0);
+        println!(15);
     let r = 2.0.powf(2.1);
-    panic::assert(r==4.287093850143365);
+    panic::assert((r-4.287093850143365).abs()<0.0000001);
+        println!(16);
     let m = math::max(1, 2);
     panic::assert(m==2);
+        println!(17);
     let mi = math::min(1.0, 2.0);
     panic::assert(mi==1.0);
+        println!(18);
     panic::assert((math::cos(math::PI) - -1.0).abs() < 0.0000001);
+        println!(19);
     return;
 }