code review 311041: gc: simplify complex typecheck

src/cmd/gc/const.c

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 #include        "go.h"
 #define TUP(x,y)        (((x)<<16)|(y))
 
 static  Val     tocplx(Val);
 static  Val     toflt(Val);
 static  Val     tostr(Val);
@@ skipping 870 matching lines @@
         }
         return n;
 }
 
 Node*
 nodcplxlit(Val r, Val i)
 {
         Node *n;
         Mpcplx *c;
 
+        r = toflt(r);
+        i = toflt(i);
+
         c = mal(sizeof(*c));
         n = nod(OLITERAL, N, N);
         n->type = types[TIDEAL];
         n->val.u.cval = c;
         n->val.ctype = CTCPLX;
 
         if(r.ctype != CTFLT || i.ctype != CTFLT)
                 fatal("nodcplxlit ctype %d/%d", r.ctype, i.ctype);
 
         mpmovefltflt(&c->real, r.u.fval);
@@ skipping 353 matching lines @@
         mpmulfltflt(&ad, &rv->imag);            // ad
 
         mpmovefltflt(&v->real, &ac);
         mpaddfltflt(&v->real, &bd);             // ac+bd
         mpdivfltflt(&v->real, &cc_plus_dd);     // (ac+bd)/(cc+dd)
 
         mpmovefltflt(&v->imag, &bc);
         mpsubfltflt(&v->imag, &ad);             // bc-ad
         mpdivfltflt(&v->imag, &cc_plus_dd);     // (bc+ad)/(cc+dd)
 }