lxsd / fvn

Blame view

fvn_test/test_specfunc.f90 2.28 KB
edit raw normal view history
27d3b84d6   daniau   git-svn-id: https... 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
 
  program test_specfunc
  use fvn_fnlib
  implicit none
  integer,parameter :: npoints=200
  integer :: i
  real(8), dimension(npoints) :: j0
  real(8) :: xmin,xmax,xstep,x,y
  
  ! bsj0
  xmin=-20.
  xmax=20.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='bsj0.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=bsj0(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  ! bsj1
  xmin=-20.
  xmax=20.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='bsj1.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=bsj1(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  !bsi0
  xmin=-4.
  xmax=4.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='bsi0.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=bsi0(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  !bsi1
  xmin=-4.
  xmax=4.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='bsi1.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=bsi1(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  !bsy0
  xmin=0.
  xmax=20.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='bsy0.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=bsy0(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  !bsy1
  xmin=0.
  xmax=20.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='bsy1.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=bsy1(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  !bsk0
  xmin=0.
  xmax=4.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='bsk0.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=bsk0(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  !bsk1
  xmin=0.
  xmax=4.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='bsk1.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=bsk1(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  !erf
  xmin=-4.
  xmax=4.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='erf.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=erf(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  ! gamma
  xmin=-3.
  xmax=7.
  xstep=(xmax-xmin)/2000.
  open(2,file='gamma.dat')
  do i=1,2000
  x=xmin+i*xstep
  if ((abs(x-nint(x)) >= 1d-6) .or. x>0. )then
      y=gamma(x)
      write(2,'(2e22.14)') x,y
  end if
  end do
  close(2)
  
  ! 1/gamma
  xmin=-3.
  xmax=7.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='gamr.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=gamr(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  ! ei
  xmin=0.
  xmax=1.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='ei.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=ei(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  ! e1
  xmin=0.
  xmax=1.
  xstep=(xmax-xmin)/dble(npoints)
  open(2,file='e1.dat')
  do i=1,npoints
  x=xmin+i*xstep
  y=e1(x)
  write(2,'(2e22.14)') x,y
  end do
  close(2)
  
  
  
  end program test_specfunc