fresnel_integral_S

Evaluates the sine Fresnel integral.

Synopsis

#include <imsl.h>

float imsl_f_fresnel_integral_S (float x)

The type double function is imsl_d_fresnel_integral_S.

Required Arguments

float x (Input)
Argument for which the function value is desired.

Return Value

The sine Fresnel integral.

Description

The sine Fresnel integral is defined to be

 

Example

The Fresnel integral S(1.75) is evaluated.

 

#include <imsl.h>

#include <stdio.h>

 

int main()

{

float x = 1.75;

float ans;

 

x = imsl_f_fresnel_integral_S (x);

printf ("S(1.75) = %f\n", x);

}

Output

S(1.75) = 0.499385