Merge pull request #3315 from ziglang/mv-std-lib

Move std/ to lib/std/

1 files changed, 28 insertions, 0 deletions

diff --git a/lib/std/special/compiler_rt/floatunsitf_test.zig b/lib/std/special/compiler_rt/floatunsitf_test.zig
new file mode 100644
index 0000000000..52e4786903
--- /dev/null
+++ b/lib/std/special/compiler_rt/floatunsitf_test.zig
@@ -0,0 +1,28 @@
+const __floatunsitf = @import("floatunsitf.zig").__floatunsitf;
+
+fn test__floatunsitf(a: u64, expected_hi: u64, expected_lo: u64) void {
+    const x = __floatunsitf(a);
+
+    const x_repr = @bitCast(u128, x);
+    const x_hi = @intCast(u64, x_repr >> 64);
+    const x_lo = @truncate(u64, x_repr);
+
+    if (x_hi == expected_hi and x_lo == expected_lo) {
+        return;
+    }
+    // nan repr
+    else if (expected_hi == 0x7fff800000000000 and expected_lo == 0x0) {
+        if ((x_hi & 0x7fff000000000000) == 0x7fff000000000000 and ((x_hi & 0xffffffffffff) > 0 or x_lo > 0)) {
+            return;
+        }
+    }
+
+    @panic("__floatunsitf test failure");
+}
+
+test "floatunsitf" {
+    test__floatunsitf(0x7fffffff, 0x401dfffffffc0000, 0x0);
+    test__floatunsitf(0, 0x0, 0x0);
+    test__floatunsitf(0xffffffff, 0x401efffffffe0000, 0x0);
+    test__floatunsitf(0x12345678, 0x401b234567800000, 0x0);
+}