shallow zip-file copy from codec2 e9d726bf20

1 files changed, 19 insertions, 0 deletions

diff --git a/src/tollr.c b/src/tollr.c
new file mode 100644
index 0000000..3edce9b
--- /dev/null
+++ b/src/tollr.c
@@ -0,0 +1,19 @@
+/* 
+  FILE...: tollr.c
+  AUTHOR.: David Rowe
+  CREATED: July 2020
+
+  Converts oneBitPerByte hard decisions to LLRs for LDPC testing.
+*/
+
+#include <stdio.h>
+#include <stdint.h>
+
+int main(void) {
+    uint8_t bit;
+    while(fread(&bit,sizeof(uint8_t), 1, stdin)) {
+        float llr = 10.0*(1-2*bit);
+        fwrite(&llr,sizeof(float),1,stdout);
+    }
+    return 0;
+}