expression: generate big real numbers when testing (#13338)

pingcap · Nov 11, 2019 · 6f50566 · 6f50566
1 parent 2b5f81a
commit 6f50566
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/expression/bench_test.go b/expression/bench_test.go
@@ -221,9 +221,9 @@ func (g *defaultGener) gen() interface{} {
 		return rand.Int63()
 	case types.ETReal:
 		if rand.Float64() < 0.5 {
-			return -rand.Float64()
+			return -rand.Float64() * 1000000
 		}
-		return rand.Float64()
+		return rand.Float64() * 1000000
 	case types.ETDecimal:
 		d := new(types.MyDecimal)
 		var f float64

diff --git a/expression/builtin_math_vec_test.go b/expression/builtin_math_vec_test.go
@@ -55,7 +55,7 @@ var vecBuiltinMathCases = map[string][]vecExprBenchCase{
 		{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal}},
 	},
 	ast.Exp: {
-		{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal}},
+		{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal}, geners: []dataGenerator{&rangeRealGener{-1, 1, 0.2}}},
 	},
 	ast.Degrees: {
 		{retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal}},