用C语言表示一个16位的自定义浮点数,符合IEEE 754规范,其中exp占6bits,frac占9bits: 分别包括Compute.c Transfer.c main.c
时间: 2024-05-07 14:21:04 浏览: 94
Compute.c:
```c
#include <stdio.h>
#include <stdint.h>
// 定义浮点数结构体
typedef union {
float f;
struct {
uint32_t mantissa : 23;
uint32_t exponent : 8;
uint32_t sign : 1;
} parts;
} float_cast;
// 定义自定义浮点数结构体
typedef struct {
uint16_t frac : 9;
uint16_t exp : 6;
uint16_t sign : 1;
} custom_float;
// 将自定义浮点数转换成IEEE 754浮点数
float_cast custom_to_ieee(custom_float num) {
float_cast ieee_num;
ieee_num.parts.sign = num.sign;
ieee_num.parts.exponent = num.exp + 121;
ieee_num.parts.mantissa = num.frac << 14;
return ieee_num;
}
// 将IEEE 754浮点数转换成自定义浮点数
custom_float ieee_to_custom(float_cast num) {
custom_float custom_num;
custom_num.sign = num.parts.sign;
custom_num.exp = num.parts.exponent - 121;
custom_num.frac = num.parts.mantissa >> 14;
return custom_num;
}
```
Transfer.c:
```c
#include <stdio.h>
#include <stdint.h>
#include "Compute.h"
int main() {
// 定义自定义浮点数
custom_float custom_num = {0b100111111, 0b010000, 0b0}; // -0.5
// 将自定义浮点数转换成IEEE 754浮点数
float_cast ieee_num = custom_to_ieee(custom_num);
// 输出IEEE 754浮点数
printf("IEEE 754 float: %f\n", ieee_num.f);
// 将IEEE 754浮点数转换成自定义浮点数
custom_float new_custom_num = ieee_to_custom(ieee_num);
// 输出自定义浮点数
printf("Custom float: %d %d %d\n", new_custom_num.sign, new_custom_num.exp, new_custom_num.frac);
return 0;
}
```
main.c:
```c
#include <stdio.h>
#include "Transfer.h"
int main() {
return 0;
}
```
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