Ejemplo033.c File Reference

#include <stdio.h>
#include <stdlib.h>

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Macros
#define	N   1000

Functions
float	validar2 (float a, float min, float max, char *str)
float	validar (float min, float max, char *str)
float	asen (float x, int n)
int	main (int argc, char *argv[])

Macro Definition Documentation

N

#define N   1000

Definition at line 4 of file Ejemplo033.c.

Function Documentation

asen()

float asen	(	float	x,
		int	n )

Definition at line 29 of file Ejemplo033.c.

{
    int i;
    float asx, fct;
    for(i=0, asx=0, fct=x; i<n; i++)
    {
        asx+=fct;
        fct*=((2*i+1)*x*x/(2*i+3));
        fct*=((2*i+1.0)/(2*(i+1)));
    }
    return asx;
}

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main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 42 of file Ejemplo033.c.

{
    int n=0;
    float x=-1, asx;
    if(argc==3)
        x = atof(argv[2]);
    if(argc&2)
        n = atoi(argv[1]);
    n = (int)validar2(n, 1, N, "n");
    x = validar2(x, -1, 1, "x");
    asx = asen(x, n);
    printf("asen(%f) = %f\n", x, asx);
    return 0;
}

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validar()

float validar	(	float	min,
		float	max,
		char *	str )

Definition at line 18 of file Ejemplo033.c.

{
    float a;
    printf("Ingrese el valor de %s: ", str);
    scanf("%f", &a);
    if(a>min&&a<max)
        return a;
    else
        return validar(min, max, str);
}

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validar2()

float validar2	(	float	a,
		float	min,
		float	max,
		char *	str )

Definition at line 6 of file Ejemplo033.c.

{
    if(a>min&&a<max)
        return a;
    printf("Ingrese el valor de %s: ", str);
    scanf("%f", &a);
    if(a>min&&a<max)
        return a;
    else
        return validar2(a, min, max, str);
}

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