Upload files to "lib/math"

lib/math/software_float.c

@@ -0,0 +1,26 @@
+
+#include <math/software_float.h>
+
+
+/* A float = FLOAT_SIGN * FLOAT_MANTISSA * (2 ^ FLOAT_EXPONENT) */
+
+
+
+
+soft_float32_t decode_float(uint32_t raw)
+{
+  soft_float32_t f;
+  f.sign = (raw >> 31) & 1;
+  f.exponent = (raw >> 23) & 0xFF;
+  f.mantissa = raw & 0x7FFFFF;
+  return f;
+}
+
+soft_float64_t decode_double(uint64_t raw)
+{
+    soft_float64_t d;
+    d.sign = (raw >> 63) & 1;
+    d.exponent = (raw >> 52) & 0x7FF;
+    d.mantissa = raw & 0xFFFFFFFFFFFFF;
+    return d;
+}