1 files changed, 13 insertions, 4 deletions
diff --git a/include/libmath.h b/include/libmath.h
index 40ae4ee..c605d24 100644
--- a/include/libmath.h
+++ b/include/libmath.h
@@ -134,17 +134,26 @@ float       math·truncf(float);
 
 typedef struct math·Vector
 {
-    double *data;
+    double *d;
     int     len;
+    int     inc;
 } math·Vector;
 
-#define math·slicev(vec, lo, hi) (struct math·Vector){.len=((hi)-(lo)), .data=((vec).data + (lo))}
+#define iota(x) 1 << (x)
+enum
+{
+    mat·trans  = iota(1),
+    mat·symm   = iota(2),
+    mat·posdef = iota(3),
+    mat·negdef = iota(4),
+};
 
 typedef struct math·Matrix
 {
-    double   *data;
-    uint32    kind;
+    double   *d;
+    uint      state;
     int       dim[2];
+    int       inc;
 } math·Matrix;
 
 // TODO: tensor ala numpy