error recv. draft; add trig/math funcs

1 files changed, 18 insertions, 0 deletions

diff --git a/source/cordic.hpp b/source/cordic.hpp
new file mode 100644
index 0000000..755fddb
--- /dev/null
+++ b/source/cordic.hpp
@@ -0,0 +1,18 @@
+#ifndef CORDIC_HPP_
+#define CORDIC_HPP_
+
+namespace math {
+    constexpr double PI = 3.1415926535L;
+
+    void init();
+
+    double mod(double n, double d);
+
+    double cos(double x);
+    double sin(double x);
+    double tan(double x);
+    double sqrt(double x);
+}
+
+#endif // CORDIC_HPP_
+