FRESNEL_COSINE Function
Evaluates the cosine Fresnel integral.
Usage
result = FRESNEL_COSINE(x)
Input Parameters
x—Argument for which the function value is desired.
Returned Value
result—The value of the cosine Fresnel integral evaluated at x.
Input Keywords
Double—If present and nonzero, double precision is used.
Discussion
The cosine Fresnel integral is defined to be:
Example
The Fresnel integral C(1.75) is evaluated.
PRINT, FRESNEL_COSINE(1.75)
; PV-WAVE prints: 0.321935