A update

include/math/software_float.h

@@ -0,0 +1,18 @@
+#ifndef _SOFTWARE_FLOAT_H
+#define _SOFTWARE_FLOAT_H
+
+#include <stdint.h>
+
+typedef struct {
+  uint8_t sign;        /* 0 = positive, 1 = negative */
+  uint8_t exponent;    /* 8-bit biased exponent (bias = 127) */
+  uint32_t mantissa;   /* 23 bits stored (MSB implicit for normalized numbers) */
+} soft_float32_t;
+
+typedef struct {
+  uint8_t sign;        /* 0 = positive, 1 = negative */
+  uint16_t exponent;    /* 11-bit biased exponent (bias = 1023) */
+  uint64_t mantissa;   /* 52 bits stored (MSB implicit for normalized numbers) */
+} soft_float64_t;
+
+#endif