add missing lor_get_intensity function body

Cryptkeeper · Sep 1, 2024 · df6f1fb · df6f1fb
1 parent 5cce892
commit df6f1fb
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Showing 2 changed files with 12 additions and 0 deletions.
diff --git a/src/tinylor.c b/src/tinylor.c
@@ -155,3 +155,9 @@ size_t lor_write(unsigned char* b, const size_t bs, const lor_req_s* r,
   }
   return h;
 }
+
+lor_intensity lor_get_intensity(const unsigned char b) {
+  // scale b from (0,255) to (240,1) which is the LOR intensity range
+  static const lor_intensity ceiling = 240;
+  return ceiling - (lor_intensity) ((1.0f - ((float) b / 255.0f)) * 239);
+}
diff --git a/tinylor.h b/tinylor.h
@@ -395,6 +395,12 @@ size_t lor_write(unsigned char* b, const size_t bs, const lor_req_s* r,
   return h;
 }
 
+lor_intensity lor_get_intensity(const unsigned char b) {
+  // scale b from (0,255) to (240,1) which is the LOR intensity range
+  static const lor_intensity ceiling = 240;
+  return ceiling - (lor_intensity) ((1.0f - ((float) b / 255.0f)) * 239);
+}
+
 #endif// TINYLOR_IMPL_ONCE
 #endif// TINYLOR_IMPL
 #endif// TINYLOR_SINGLEFILE_H