chore: add vendor dependencies for kauma build

vendor/ryu/tests/common_test.rs

@@ -0,0 +1,91 @@
+// Translated from C to Rust. The original C code can be found at
+// https://github.com/ulfjack/ryu and carries the following license:
+//
+// Copyright 2018 Ulf Adams
+//
+// The contents of this file may be used under the terms of the Apache License,
+// Version 2.0.
+//
+//    (See accompanying file LICENSE-Apache or copy at
+//     http://www.apache.org/licenses/LICENSE-2.0)
+//
+// Alternatively, the contents of this file may be used under the terms of
+// the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE-Boost or copy at
+//     https://www.boost.org/LICENSE_1_0.txt)
+//
+// Unless required by applicable law or agreed to in writing, this software
+// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.
+
+#![allow(dead_code)]
+#![allow(
+    clippy::approx_constant,
+    clippy::cast_possible_wrap,
+    clippy::cast_sign_loss,
+    clippy::excessive_precision,
+    clippy::unreadable_literal,
+    clippy::wildcard_imports
+)]
+
+#[path = "../src/common.rs"]
+mod common;
+
+use common::{ceil_log2_pow5, decimal_length9, log10_pow2, log10_pow5};
+
+#[test]
+fn test_decimal_length9() {
+    assert_eq!(1, decimal_length9(0));
+    assert_eq!(1, decimal_length9(1));
+    assert_eq!(1, decimal_length9(9));
+    assert_eq!(2, decimal_length9(10));
+    assert_eq!(2, decimal_length9(99));
+    assert_eq!(3, decimal_length9(100));
+    assert_eq!(3, decimal_length9(999));
+    assert_eq!(9, decimal_length9(999999999));
+}
+
+#[test]
+fn test_ceil_log2_pow5() {
+    assert_eq!(1, ceil_log2_pow5(0));
+    assert_eq!(3, ceil_log2_pow5(1));
+    assert_eq!(5, ceil_log2_pow5(2));
+    assert_eq!(7, ceil_log2_pow5(3));
+    assert_eq!(10, ceil_log2_pow5(4));
+    assert_eq!(8192, ceil_log2_pow5(3528));
+}
+
+#[test]
+fn test_log10_pow2() {
+    assert_eq!(0, log10_pow2(0));
+    assert_eq!(0, log10_pow2(1));
+    assert_eq!(0, log10_pow2(2));
+    assert_eq!(0, log10_pow2(3));
+    assert_eq!(1, log10_pow2(4));
+    assert_eq!(496, log10_pow2(1650));
+}
+
+#[test]
+fn test_log10_pow5() {
+    assert_eq!(0, log10_pow5(0));
+    assert_eq!(0, log10_pow5(1));
+    assert_eq!(1, log10_pow5(2));
+    assert_eq!(2, log10_pow5(3));
+    assert_eq!(2, log10_pow5(4));
+    assert_eq!(1831, log10_pow5(2620));
+}
+
+#[test]
+fn test_float_to_bits() {
+    assert_eq!(0, 0.0_f32.to_bits());
+    assert_eq!(0x40490fda, 3.1415926_f32.to_bits());
+}
+
+#[test]
+fn test_double_to_bits() {
+    assert_eq!(0, 0.0_f64.to_bits());
+    assert_eq!(
+        0x400921FB54442D18,
+        3.1415926535897932384626433_f64.to_bits(),
+    );
+}