main.c

来自「realview22.rar」· C语言 代码 · 共 33 行

#include <stdio.h>

double VFPtest(double x, double y)
{    return x + y;
}

int main(void)
{   double val1 = 1.0;
    double val2 = 2.0;
    double val3 = 2.22524e-308; //Small, just normalized number
    double val4 = 3.1234e-322; // denormalized number
    double res1;
    double res2;
    double res3;
    printf("VFP Support Code Test\n");
    printf("=====================\n\n");
    printf("Non-bouncing calculation of %f + %f\n",val1,val2);
    printf("The result should be : 3.000000\n");
    res1=VFPtest(val1,val2);
    printf("The result is        : %f\n\n", res1);
    printf("Non-bouncing calculation of %e + %e\n",val3,val3);
    printf("The result should be : 4.45048e-308\n");
    res2=VFPtest(val3,val3);
    printf("The result is        : %e\n\n", res2);
    printf("Bouncing calculation of %e + %e\n", val4, val4);
    res3=VFPtest(val4,val4);
    printf("The result should be : 6.225227e-322\n");
    printf("The result is        : %e\n\n", res3);
    return 0;
}