1 files changed, 27 insertions, 0 deletions
diff --git a/src/pack2b.h b/src/pack2b.h
new file mode 100644
index 0000000..b63807a
--- /dev/null
+++ b/src/pack2b.h
@@ -0,0 +1,27 @@
+#ifndef PACK2B_H
+#define PACK2B_H
+
+#include <stdint.h>
+
+// various bits for floating point types--varies for different architectures
+typedef float float32_t;
+typedef double float64_t;
+
+// macros for packing floats and doubles:
+#define pack754_32(f) (pack754((f), 32, 8))
+#define pack754_64(f) (pack754((f), 64, 11))
+#define unpack754_32(i) (unpack754((i), 32, 8))
+#define unpack754_64(i) (unpack754((i), 64, 11))
+
+uint64_t pack754(long double f, unsigned bits, unsigned expbits);
+long double unpack754(uint64_t i, unsigned bits, unsigned expbits);
+void packi16(uint8_t *buf, int16_t i);
+void packi32(uint8_t *buf, int32_t i);
+void packi64(uint8_t *buf, int64_t i);
+int16_t unpacki16(uint8_t *buf);
+int32_t unpacki32(uint8_t *buf);
+int64_t unpacki64(uint8_t *buf);
+int32_t pack(uint8_t *buf, char *format, ...);
+void unpack(uint8_t *buf, char *format, ...);
+
+#endif