humidity: wip

1 files changed, 17 insertions, 0 deletions

diff --git a/humidity.c b/humidity.c
new file mode 100644
index 0000000..527492b
--- /dev/null
+++ b/humidity.c
@@ -0,0 +1,17 @@
+#include "humidity.h"
+
+double maximale_luftfeuchte(double t)
+{
+  for (int i=1; i<DAMPF_ANZ; i++)
+    if (dampf_temperaturen[i]>=t)
+      return (t-dampf_temperaturen[i-1])*(dampf_feuchten[i]-dampf_feuchten[i-1])/(dampf_temperaturen[i]-dampf_temperaturen[i-1]);
+  return -1;
+}
+
+double taupunkt(double af)
+{
+  for (int i=1; i<DAMPF_ANZ; i++)
+    if (dampf_feuchten[i]>=af)
+      return (af-dampf_feuchten[i-1])*(dampf_temperaturen[i]-dampf_temperaturen[i-1])/(dampf_feuchten[i]-dampf_feuchten[i-1]);
+  return -1;
+}