delete TODO now that compiler is better at %

adjust an inconsistency in reflect/type.go's package comment

R=rsc
http://go/go-review/1026029

src/pkg/reflect/type.go

@@ -5,7 +5,7 @@
 // The reflect package implements run-time reflection, allowing a program to
 // manipulate objects with arbitrary types.  The typical use is to take a
 // value with static type interface{} and extract its dynamic type
-// information by calling Typeof(), which returns an object with interface
+// information by calling Typeof, which returns an object with interface
 // type Type.  That contains a pointer to a struct of type *StructType,
 // *IntType, etc. representing the details of the underlying type.  A type
 // switch or type assertion can reveal which.

test/bench/fasta.go

@@ -66,7 +66,7 @@ type AminoAcid struct {
 var	lastrandom uint32 = 42
 
 // Random number between 0.0 and 1.0
-func Zmyrandom() float {
+func myrandom() float {
 	const (
 		IM = 139968;
 		IA = 3877;
@@ -77,24 +77,6 @@ func Zmyrandom() float {
 	return float(int32(lastrandom)) / IM;
 }
 
-// TODO: delete this when compiler does the reduction for us
-func
-myrandom() float
-{
-	const (
-		IM = 139968;
-		IA = 3877;
-		IC = 29573;
-		S = 46;
-		IM1 = ((1<<S) + IM) / IM;
-	)
-
-	n := (lastrandom * IA + IC);
-	q := uint32((uint64(n) * IM1) >> S);
-	lastrandom = n - q*IM;
-	return float(int32(lastrandom)) / IM;
-}
-
 func AccumulateProbabilities(genelist []AminoAcid) {
 	for i := 1; i < len(genelist); i++ {
 		genelist[i].p += genelist[i-1].p;