FRESNEL_SINE Function

Evaluates the sine Fresnel integral.

Usage

result = FRESNEL_SINE(x)

Input Parameters

x—Argument for which the function value is desired.

Returned Value

result—The value of the sine Fresnel integral evaluated at x.

Input Keywords

Double—If present and nonzero, double precision is used.

Discussion

The sine Fresnel integral is defined to be:

 

Example

The Fresnel integral S(1.75) is evaluated.

PRINT, FRESNEL_SINE(1.75)

; PV-WAVE prints: 0.499385