double precision patches to loop~ class and lrshift~ class

pd/extra/loop~/loop~.c

@@ -14,7 +14,8 @@ This file is downloadable from http://www.crca.ucsd.edu/~msp .
 #ifdef PD
 #include "m_pd.h"
 #else
-#define t_sample float
+typedef float t_float;
+typedef float t_sample;
 #endif
 
 
@@ -96,7 +97,7 @@ static void loopctl_init(t_loopctl *x)
     x->l_phase = 0;
 }
 
-static void loopctl_set(t_loopctl *x, float val)
+static void loopctl_set(t_loopctl *x, t_float val)
 {
     if (val < 0 || val > 1)
         val = 0;

pd/extra/lrshift~/lrshift~.c

@@ -8,7 +8,7 @@ typedef struct _lrshift_tilde
 {
     t_object x_obj;
     int x_n;
-    float x_f;
+    t_float x_f;
 } t_lrshift_tilde;
 
 static t_int *leftshift_perform(t_int *w)