Update `MRB_FLO_TO_STR_FMT` to "%.16g"; fix #4016

mrbgems/mruby-compiler/core/codegen.c

@@ -3049,8 +3049,8 @@ loop_pop(codegen_scope *s, int val)
   if (val) push();
 }
 
-MRB_API struct RProc*
-mrb_generate_code(mrb_state *mrb, parser_state *p)
+static struct RProc*
+generate_code(mrb_state *mrb, parser_state *p, int val)
 {
   codegen_scope *scope = scope_new(mrb, 0, 0);
   struct RProc *proc;
@@ -3067,7 +3067,7 @@ mrb_generate_code(mrb_state *mrb, parser_state *p)
   MRB_TRY(&scope->jmp) {
     mrb->jmp = &scope->jmp; 
     /* prepare irep */
-    codegen(scope, p->tree, NOVAL);
+    codegen(scope, p->tree, val);
     proc = mrb_proc_new(mrb, scope->irep);
     mrb_irep_decref(mrb, scope->irep);
     mrb_pool_close(scope->mpool);
@@ -3086,3 +3086,9 @@ mrb_generate_code(mrb_state *mrb, parser_state *p)
   }
   MRB_END_EXC(&scope->jmp);
 }
+
+MRB_API struct RProc*
+mrb_generate_code(mrb_state *mrb, parser_state *p)
+{
+  return generate_code(mrb, p, VAL);
+}

src/numeric.c

@@ -23,9 +23,9 @@
 #define floor(f) floorf(f)
 #define ceil(f) ceilf(f)
 #define fmod(x,y) fmodf(x,y)
-#define MRB_FLO_TO_STR_FMT "%.7g"
+#define MRB_FLO_TO_STR_FMT "%.8g"
 #else
-#define MRB_FLO_TO_STR_FMT "%.14g"
+#define MRB_FLO_TO_STR_FMT "%.16g"
 #endif
 #endif