shithub: femtolisp

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double the stack size right away instead of trying to play smart

--- a/cvalues.c

+++ b/cvalues.c

@@ -1208,12 +1208,12 @@

 		*pt = T_FIXNUM;

 		return 1;

 	}else if(iscprim(a)){

-		cp = (cprim_t*)ptr(a);

+		cp = ptr(a);

 		*pp = cp_data(cp);

 		*pt = cp_numtype(cp);

 		return 1;

 	}else if(iscvalue(a)){

-		cv = (cvalue_t*)ptr(a);

+		cv = ptr(a);

 		*pp = cv_data(cv);

 		*pt = cv_class(cv)->numtype;

 		return valid_numtype(*pt);

--- a/flisp.c

+++ b/flisp.c

@@ -591,7 +591,7 @@

 static void

 grow_stack(void)

 {

-	size_t newsz = N_STACK + (N_STACK>>1);

+	size_t newsz = N_STACK * 2;

 	value_t *ns = realloc(Stack, newsz*sizeof(value_t));

 	if(ns == nil)

 		lerrorf(MemoryError, "stack overflow");