chore: migrate to gitea

vendor/github.com/bytedance/sonic/internal/native/fastfloat_test.tmpl

@@ -0,0 +1,143 @@
+// +build amd64 
+
+
+// Code generated by scripts, DO NOT EDIT.
+
+/*
+ * Copyright 2021 ByteDance Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package {{PACKAGE}}
+
+import (
+    `encoding/json`
+    `math`
+    `math/rand`
+    `strconv`
+    `testing`
+
+    `github.com/stretchr/testify/assert`
+)
+
+func TestFastFloat_Encode(t *testing.T) {
+    var buf [64]byte
+    assert.Equal(t, "0"                         , string(buf[:f64toa(&buf[0], 0)]))
+    assert.Equal(t, "-0"                         , string(buf[:f64toa(&buf[0], math.Float64frombits(0x8000000000000000))]))
+    assert.Equal(t, "12340000000"               , string(buf[:f64toa(&buf[0], 1234e7)]))
+    assert.Equal(t, "12.34"                     , string(buf[:f64toa(&buf[0], 1234e-2)]))
+    assert.Equal(t, "0.001234"                  , string(buf[:f64toa(&buf[0], 1234e-6)]))
+    assert.Equal(t, "1e+30"                      , string(buf[:f64toa(&buf[0], 1e30)]))
+    assert.Equal(t, "1.234e+33"                  , string(buf[:f64toa(&buf[0], 1234e30)]))
+    assert.Equal(t, "1.234e+308"                 , string(buf[:f64toa(&buf[0], 1234e305)]))
+    assert.Equal(t, "1.234e-317"                , string(buf[:f64toa(&buf[0], 1234e-320)]))
+    assert.Equal(t, "1.7976931348623157e+308"    , string(buf[:f64toa(&buf[0], 1.7976931348623157e308)]))
+    assert.Equal(t, "-12340000000"              , string(buf[:f64toa(&buf[0], -1234e7)]))
+    assert.Equal(t, "-12.34"                    , string(buf[:f64toa(&buf[0], -1234e-2)]))
+    assert.Equal(t, "-0.001234"                 , string(buf[:f64toa(&buf[0], -1234e-6)]))
+    assert.Equal(t, "-1e+30"                     , string(buf[:f64toa(&buf[0], -1e30)]))
+    assert.Equal(t, "-1.234e+33"                 , string(buf[:f64toa(&buf[0], -1234e30)]))
+    assert.Equal(t, "-1.234e+308"                , string(buf[:f64toa(&buf[0], -1234e305)]))
+    assert.Equal(t, "-1.234e-317"               , string(buf[:f64toa(&buf[0], -1234e-320)]))
+    assert.Equal(t, "-2.2250738585072014e-308"  , string(buf[:f64toa(&buf[0], -2.2250738585072014e-308)]))
+}
+
+func TestFastFloat_Random(t *testing.T) {
+    var buf [64]byte
+    N := 10000
+    for i := 0; i < N; i++ {
+        b64 := uint64(rand.Uint32())<<32 | uint64(rand.Uint32())
+        f64 := math.Float64frombits(b64)
+
+        jout, jerr := json.Marshal(f64)
+        n := f64toa(&buf[0], f64)
+        if jerr == nil {
+            assert.Equal(t, jout, buf[:n])
+        } else {
+            assert.True(t, n == 0)
+        }
+
+        f32 := math.Float32frombits(rand.Uint32())
+        jout, jerr = json.Marshal(f32)
+        n = f32toa(&buf[0], f32)
+        if jerr == nil {
+            assert.Equal(t, jout, buf[:n])
+        } else {
+            assert.True(t, n == 0)
+        }
+    }
+}
+
+func BenchmarkParseFloat64(b *testing.B) {
+    var f64toaBenches = []struct {
+        name    string
+        float   float64
+    }{
+        {"Zero", 0},
+        {"Decimal", 33909},
+        {"Float", 339.7784},
+        {"Exp", -5.09e75},
+        {"NegExp", -5.11e-95},
+        {"LongExp", 1.234567890123456e-78},
+        {"Big", 123456789123456789123456789},
+    
+    }
+    for _, c := range f64toaBenches {
+        f64bench := []struct {
+            name string
+            test func(*testing.B)
+        }{{
+            name: "StdLib",
+            test: func(b *testing.B) { var buf [64]byte; for i := 0; i < b.N; i++ { strconv.AppendFloat(buf[:0], c.float, 'g', -1, 64) }},
+        }, {
+            name: "FastFloat",
+            test: func(b *testing.B) { var buf [64]byte; for i := 0; i < b.N; i++ { f64toa(&buf[0], c.float) }},
+        }}
+        for _, bm := range f64bench {
+            name := bm.name + "_" + c.name
+            b.Run(name, bm.test)
+        }
+    }
+}
+
+func BenchmarkParseFloat32(b *testing.B) {
+    var f32toaBenches = []struct {
+        name    string
+        float   float32
+    }{
+        {"Zero", 0},
+        {"Integer", 33909},
+        {"ExactFraction", 3.375},
+        {"Point", 339.7784},
+        {"Exp", -5.09e25},
+        {"NegExp", -5.11e-25},
+        {"Shortest", 1.234567e-8},
+    }
+    for _, c := range f32toaBenches {
+        bench := []struct {
+            name string
+            test func(*testing.B)
+        }{{
+            name: "StdLib32",
+            test: func(b *testing.B) { var buf [64]byte; for i := 0; i < b.N; i++ { strconv.AppendFloat(buf[:0], float64(c.float), 'g', -1, 32) }},
+        }, {
+            name: "FastFloat32",
+            test: func(b *testing.B) { var buf [64]byte; for i := 0; i < b.N; i++ { f32toa(&buf[0], c.float) }},
+        }}
+        for _, bm := range bench {
+            name := bm.name + "_" + c.name
+            b.Run(name, bm.test)
+        }
+    }
+}