1 files changed, 55 insertions, 0 deletions
diff --git a/unit.c b/unit.c
new file mode 100644
index 0000000..702f56c
--- /dev/null
+++ b/unit.c
@@ -0,0 +1,55 @@
+#include <math.h>
+
+#include "unit.h"
+
+
+AngularSpeed
+rad_per_sec(double x) {
+	return x;
+}
+
+AngularSpeed
+deg_per_sec(double x) {
+	return x * M_PI / 180.0;
+}
+
+AngularSpeed rpm(double x) {
+	return x * 2.0 * M_PI / 60.0;
+}
+
+double as_rad_per_sec(AngularSpeed x) {
+	return x;
+}
+
+double as_deg_per_sec(AngularSpeed x) {
+	return x * 180.0 / M_PI;
+}
+
+double as_rpm(AngularSpeed x) {
+	return x * 60.0 / (2.0 * M_PI);
+}
+
+Fraction percent(double x);
+double as_percent(Fraction x);
+
+
+Pressure pascal(double x);
+Pressure millibar(double x);
+Pressure kilopascal(double x);
+Pressure bar(double x);
+Pressure psi(double x);
+double as_pascal(Pressure x);
+double as_millibar(Pressure x);
+double as_kilopascal(Pressure x);
+double as_bar(Pressure x);
+double as_psi(Pressure x);
+
+
+Volume cubic_centimetre(double x);
+Volume litre(double x);
+Volume cubic_metre(double x);
+Volume cubic_inch(double x);
+double as_cubic_centimetre(Volume x);
+double as_litre(Volume x);
+double as_cubic_metre(double x);
+double as_cubic_inch(double x);