Rename ASSERT* to DCHECK*.

src/diy-fp.h

Index: src/diy-fp.h
diff --git a/src/diy-fp.h b/src/diy-fp.h
index f8f2673c4107010f617a304f3dc6321af28373eb..31f787265eab8d818cc926d09f4f4f7d4900fd11 100644
--- a/src/diy-fp.h
+++ b/src/diy-fp.h
@@ -25,8 +25,8 @@ class DiyFp {
   // must be bigger than the significand of other.
   // The result will not be normalized.
   void Subtract(const DiyFp& other) {
-    ASSERT(e_ == other.e_);
-    ASSERT(f_ >= other.f_);
+    DCHECK(e_ == other.e_);
+    DCHECK(f_ >= other.f_);
     f_ -= other.f_;
   }
 
@@ -51,7 +51,7 @@ class DiyFp {
   }
 
   void Normalize() {
-    ASSERT(f_ != 0);
+    DCHECK(f_ != 0);
     uint64_t f = f_;
     int e = e_;