mittikb.f90

数值计算和数值分析在Fortran下的特殊函数库,是数值计算的必备

MODULE ittikb_func
 
! From the book "Computation of Special Functions"
!      by Shanjie Zhang and Jianming Jin
!   Copyright 1996 by John Wiley & Sons, Inc.
! The authors state:
!   "However, we give permission to the reader who purchases this book
!    to incorporate any of these programs into his or her programs
!    provided that the copyright is acknowledged."
 
IMPLICIT NONE
INTEGER, PARAMETER  :: dp = SELECTED_REAL_KIND(12, 60)
 
CONTAINS


SUBROUTINE ittikb(x,tti,ttk)

!    =========================================================
!    Purpose: Integrate [I0(t)-1]/t with respect to t from 0
!             to x, and K0(t)/t with respect to t from x to