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1! RUN: %S/test_folding.sh %s %t %f18
2
3! Test intrinsic operation folding
4
5module m
6! Check logical intrinsic operation folding
7  logical, parameter :: test_not1 = .NOT..false.
8  logical, parameter :: test_not2 = .NOT..NOT..true.
9
10  logical, parameter :: test_parentheses1 = .NOT.(.false.)
11  logical, parameter :: test_parentheses2 = .NOT..NOT.(.true.)
12
13  logical, parameter :: test_and1 = .true..AND..true.
14  logical, parameter :: test_and2 = .NOT.(.false..AND..true.)
15  logical, parameter :: test_and3 = .NOT.(.false..AND..false.)
16  logical, parameter :: test_and4 = .NOT.(.true..AND..false.)
17
18  logical, parameter :: test_or1 = .true..OR..true.
19  logical, parameter :: test_or2 = .false..OR..true.
20  logical, parameter :: test_or3 = .NOT.(.false..OR..false.)
21  logical, parameter :: test_or4 = .true..OR..false.
22
23  logical, parameter :: test_eqv1 = .false..EQV..false.
24  logical, parameter :: test_eqv2 = .true..EQV..true.
25  logical, parameter :: test_eqv3 = .NOT.(.false..EQV..true.)
26  logical, parameter :: test_eqv4 = .NOT.(.true..EQV..false.)
27
28  logical, parameter :: test_neqv1 = .true..NEQV..false.
29  logical, parameter :: test_neqv2 = .false..NEQV..true.
30  logical, parameter :: test_neqv3 = .NOT.(.false..NEQV..false.)
31  logical, parameter :: test_neqv4 = .NOT.(.true..NEQV..true.)
32
33! Check integer intrinsic operator folding
34
35! Check integer relational intrinsic operation folding
36  logical, parameter :: test_le_i1 = 1.LE.2
37  logical, parameter :: test_le_i2 = .NOT.(2.LE.1)
38  logical, parameter :: test_le_i3 = 2.LE.2
39  logical, parameter :: test_le_i4 = -1.LE.2
40  logical, parameter :: test_le_i5 = .NOT.(-2.LE.-3)
41
42  logical, parameter :: test_lt_i1 = 1.LT.2
43  logical, parameter :: test_lt_i2 = .NOT.(2.LT.1)
44  logical, parameter :: test_lt_i3 = .NOT.(2.LT.2)
45  logical, parameter :: test_lt_i4 = -1.LT.2
46  logical, parameter :: test_lt_i5 = .NOT.(-2.LT.-3)
47
48  logical, parameter :: test_ge_i1 = .NOT.(1.GE.2)
49  logical, parameter :: test_ge_i2 =  2.GE.1
50  logical, parameter :: test_ge_i3 = 2.GE.2
51  logical, parameter :: test_ge_i4 = .NOT.(-1.GE.2)
52  logical, parameter :: test_ge_i5 = -2.GE.-3
53
54  logical, parameter :: test_gt_i1 = .NOT.(1.GT.2)
55  logical, parameter :: test_gt_i2 =  2.GT.1
56  logical, parameter :: test_gt_i3 = .NOT.(2.GT.2)
57  logical, parameter :: test_gt_i4 = .NOT.(-1.GT.2)
58  logical, parameter :: test_gt_i5 = -2.GT.-3
59
60  logical, parameter :: test_eq_i1 = 2.EQ.2
61  logical, parameter :: test_eq_i2 = .NOT.(-2.EQ.2)
62
63  logical, parameter :: test_ne_i1 =.NOT.(2.NE.2)
64  logical, parameter :: test_ne_i2 = -2.NE.2
65
66! Check conversions
67  logical, parameter :: test_cmplx1 = cmplx((1._4, -1._4)).EQ.((1._4, -1._4))
68  logical, parameter :: test_cmplx2 = cmplx((1._4, -1._4), 8).EQ.((1._8, -1._8))
69  logical, parameter :: test_cmplx3 = cmplx(1._4, -1._4).EQ.((1._4, -1._4))
70  logical, parameter :: test_cmplx4 = cmplx(1._4, -1._4, 8).EQ.((1._8, -1._8))
71  logical, parameter :: test_cmplx5 = cmplx(1._4).EQ.((1._4, 0._4))
72  logical, parameter :: test_cmplx6 = cmplx(1._4, kind=8).EQ.((1._8, 0._8))
73
74! Check integer intrinsic operation folding
75  logical, parameter :: test_unaryminus_i = (-(-1)).EQ.1
76  logical, parameter :: test_unaryplus_i = (+1).EQ.1
77
78  logical, parameter :: test_plus_i1 = (1+1).EQ.2
79  logical, parameter :: test_plus_i2 = ((-3)+1).EQ.-2
80
81  logical, parameter :: test_minus_i1 = (1-1).EQ.0
82  logical, parameter :: test_minus_i2 = (1-(-1)).EQ.2
83
84  logical, parameter :: test_multiply_i1 = (2*2).EQ.4
85  logical, parameter :: test_multiply_i2 = (0*1).EQ.0
86  logical, parameter :: test_multiply_i3= ((-3)*2).EQ.(-6)
87
88  logical, parameter :: test_divide_i1 = (5/3).EQ.(1)
89  logical, parameter :: test_divide_i2 = (6/3).EQ.(2)
90  logical, parameter :: test_divide_i3 = ((-7)/2).EQ.(-3)
91  logical, parameter :: test_divide_i4 = (0/127).EQ.(0)
92
93  logical, parameter :: test_pow1 = (2**0).EQ.(1)
94  logical, parameter :: test_pow2 = (1**100).EQ.(1)
95  logical, parameter :: test_pow3 = (2**4).EQ.(16)
96  logical, parameter :: test_pow4 = (7**5).EQ.(16807)
97  logical, parameter :: test_pow5 = kind(real(1., kind=8)**cmplx(1., kind=4)).EQ.(8)
98  logical, parameter :: test_pow6 = kind(cmplx(1., kind=4)**real(1., kind=8)).EQ.(8)
99
100  ! test MIN and MAX
101  real, parameter :: x1 = -35., x2= -35.05, x3=0., x4=35.05, x5=35.
102  real, parameter :: res_max_r = max(x1, x2, x3, x4, x5)
103  real, parameter :: res_min_r = min(x1, x2, x3, x4, x5)
104  logical, parameter :: test_max_r = res_max_r.EQ.x4
105  logical, parameter :: test_min_r = res_min_r.EQ.x2
106
107  logical, parameter :: test_min_i = min(-3, 3).EQ.-3
108  logical, parameter :: test_max_i = max(-3, 3).EQ.3
109  integer, parameter :: i1 = 35, i2= 36, i3=0, i4=-35, i5=-36
110  integer, parameter :: res_max_i = max(i1, i2, i3, i4, i5)
111  integer, parameter :: res_min_i = min(i1, i2, i3, i4, i5)
112  logical, parameter :: test_max_i2 = res_max_i.EQ.i2
113  logical, parameter :: test_min_i2 = res_min_i.EQ.i5
114
115  character(*), parameter :: c1 = "elephant", c2="elevator"
116  character(*), parameter :: c3 = "excalibur", c4="z", c5="epsilon"
117  character(*), parameter :: res_max_c = max(c1, c2, c3, c4, c5)
118  character(*), parameter :: res_min_c = min(c1, c2, c3, c4, c5)
119  ! length of result is length of longest arguments!
120  character(len(c3)), parameter :: exp_min = c1
121  character(len(c3)), parameter :: exp_max = c4
122  logical, parameter :: test_max_c_1 = res_max_c.EQ.exp_max
123  logical, parameter :: test_max_c_2 = res_max_c.NE.c4
124  logical, parameter :: test_max_c_3 = len(res_max_c).EQ.len(c3)
125  logical, parameter :: test_min_c_1 = res_min_c.NE.c1
126  logical, parameter :: test_min_c_2 = res_min_c.EQ.exp_min
127  logical, parameter :: test_min_c_3 = len(res_min_c).EQ.len(c3)
128
129  integer, parameter :: x1a(*) = [1, 12, 3, 14]
130  integer, parameter :: x2a(*) = [11, 2, 13, 4]
131  logical, parameter :: test_max_a1 = all(max(x1a, x2a).EQ.[11, 12, 13, 14])
132  logical, parameter :: test_min_a1 = all(min(x1a, x2a).EQ.[1, 2, 3, 4])
133
134end module
135