Use double instead of float

I thought that a float has more precision than a double.  Silly me.

1 files changed, 13 insertions, 11 deletions

diff --git a/util.h b/util.h
index 700a8bf..3665ee1 100644
--- a/util.h
+++ b/util.h
@@ -29,10 +29,11 @@
   }
 
 /* An empty node. */
-#define EMPTY_NODE (Node_t) { (Node_v) { .f=0 }, NULL }
+#define EMPTY_NODE (Node_t) { (Node_v) { .n=0 }, NULL }
 
 typedef union {
-  float f;
+  /* the typedef for NUMT is below, so I cannot use that alias. */
+  double n;
   void *v;                      /* very evil */
 } Node_v;
 
@@ -88,16 +89,17 @@ typedef struct Node {
 
 /* types */
 
-typedef float Volume;
-typedef float Samples;
-typedef float Hertz;
-typedef float Seconds;
-typedef float Pulse;
-typedef float Beats;
-typedef float Semitones;
-typedef Pulse *Wave;
-
 typedef unsigned long LENT;
+typedef double NUMT;
+
+typedef NUMT Volume;
+typedef NUMT Samples;
+typedef NUMT Hertz;
+typedef NUMT Seconds;
+typedef NUMT Pulse;
+typedef NUMT Beats;
+typedef NUMT Semitones;
+typedef Pulse *Wave;
 
 typedef struct {
   Wave w;