From 86134ccf82dcafe338e68c14e483ec98cfc94925 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Tue, 28 Apr 2020 21:31:01 -0700
Subject: struct: preparing for prototype of math library

---
 include/libmath.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 include/libmath.h

(limited to 'include')

diff --git a/include/libmath.h b/include/libmath.h
new file mode 100644
index 0000000..03e8e1a
--- /dev/null
+++ b/include/libmath.h
@@ -0,0 +1,20 @@
+#pragma once
+
+// -----------------------------------------------------------------------
+// Linear algebra
+
+/* 
+ * Vector (double precision)
+ * len : dimension of space
+ * inc : stride to access in buffer
+ * buf : pointer to start of data
+ * NOTE: minimum buffer size MUST be len*inc
+ */
+typedef struct math·Vecd
+{
+    int     len;
+    int     inc;
+    double *buf;
+} math·Vecd;
+
+double linalg·dotd(math·Vecd a, math·Vecd b);
-- 
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