ansi-c-balagurusamy-exercise/solutions/sadman/7/7.c at main · SharafatKarim/ansi-c-balagurusamy-exercise · GitHub

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#include <stdio.h>
#include <math.h>
int main()
{
    int i;
    float a, x, y1, y2;
    a = 0.4;
    printf("             y -------->             \n");
    printf("-------------------------------------\n");
    for (x = 0; x < 5; x = x + 0.25)
    {
        y1 = (int)(50 * exp(-a * x) + 0.5);
        y2 = (int)(50 * exp(-a * x + x / 2) + 0.5);
        if (y1 == y2)
        {
            if (x == 2.5)
                printf(" X |");
            else
                printf("|");
            for (i = 1; i <= y1 - 1; ++i)
                printf(" ");
            printf("#\n");
            continue;
        }
        if (y1 > y2)
        {
            if (x == 2.5)
                printf(" X |");
            else
                printf("   |");
            for (i = 1; i <= y2 - 1; ++i)
                printf(" ");
            printf("*");
            for (i = 1; i <= (y1 - y2 - 1); ++i)
                printf("-");
            continue;
        }
        if (x == 2.5)
            printf(" X |");
        else
            printf("   |");
        for (i = 1; i <= (y1 - 1); ++i)
            printf(" ");
        printf("0");
        for (i = 1; i <= (y2 - y1 - 1); ++i)
            printf("-");
        printf("*\n");
    }
    printf("  |n");

    float j, s;
    for (j = 1.1; j >= 0; j -= 0.1)
    {
        for (i = 0; i <= 5; i += 0.5)
        {
            s = exp(-a * x);
            if (fabsf(s - j) <= 0.1)
            {
                printf("*");
            }
            else
            {
                printf(" ");
            }
        }
        printf("\n");
    }
}