1c f90-intrinsic-numeric.f 2c 3c Test Fortran 90 intrinsic numeric functions - Section 13.10.2 and 13.13 4c David Billinghurst <David.Billinghurst@riotinto.com> 5c 6c Notes: 7c * g77 does not fully comply with F90. Noncompliances noted in comments. 8c * Section 13.12: Specific names for intrinsic functions tested in 9c intrinsic77.f 10 11 logical fail 12 integer*2 j, j2, ja 13 integer*1 k, k2, ka 14 15 common /flags/ fail 16 fail = .false. 17 18c ABS - Section 13.13.1 19 j = -9 20 ja = 9 21 k = j 22 ka = ja 23 call c_i(ABS(-7),7,'ABS(integer)') 24 call c_i2(ABS(j),ja,'ABS(integer*2)') 25 call c_i1(ABS(k),ka,'ABS(integer*1)') 26 call c_r(ABS(-7.),7.,'ABS(real)') 27 call c_d(ABS(-7.d0),7.d0,'ABS(double)') 28 call c_r(ABS((3.,-4.)),5.0,'ABS(complex)') 29 call c_d(ABS((3.d0,-4.d0)),5.0d0,'ABS(double complex)') 30 31c AIMAG - Section 13.13.6 32 call c_r(AIMAG((2.,-7.)),-7.,'AIMAG(complex)') 33c g77: AIMAG(double complex) does not comply with F90 34c call c_d(AIMAG((2.d0,-7.d0)),-7.d0,'AIMAG(double complex)') 35 36c AINT - Section 13.13.7 37 call c_r(AINT(2.783),2.0,'AINT(real) 1') 38 call c_r(AINT(-2.783),-2.0,'AINT(real) 2') 39 call c_d(AINT(2.783d0),2.0d0,'AINT(double precision) 1') 40 call c_d(AINT(-2.783d0),-2.0d0,'AINT(double precision) 2') 41c Note: g77 does not support optional argument KIND 42 43c ANINT - Section 13.13.10 44 call c_r(ANINT(2.783),3.0,'ANINT(real) 1') 45 call c_r(ANINT(-2.783),-3.0,'ANINT(real) 2') 46 call c_d(ANINT(2.783d0),3.0d0,'ANINT(double precision) 1') 47 call c_d(ANINT(-2.783d0),-3.0d0,'ANINT(double precision) 2') 48c Note: g77 does not support optional argument KIND 49 50c CEILING - Section 13.13.18 51c Not implemented 52 53c CMPLX - Section 13.13.20 54 j = 1 55 ja = 2 56 k = 1 57 ka = 2 58 call c_c(CMPLX(1),(1.,0.),'CMPLX(integer)') 59 call c_c(CMPLX(1,2),(1.,2.),'CMPLX(integer, integer)') 60 call c_c(CMPLX(j),(1.,0.),'CMPLX(integer*2)') 61 call c_c(CMPLX(j,ja),(1.,2.),'CMPLX(integer*2, integer*2)') 62 call c_c(CMPLX(k),(1.,0.),'CMPLX(integer*1)') 63 call c_c(CMPLX(k,ka),(1.,2.),'CMPLX(integer*1, integer*1)') 64 call c_c(CMPLX(1.),(1.,0.),'CMPLX(real)') 65 call c_c(CMPLX(1.d0),(1.,0.),'CMPLX(double)') 66 call c_c(CMPLX(1.d0,2.d0),(1.,2.),'CMPLX(double,double)') 67 call c_c(CMPLX(1.,2.),(1.,2.),'CMPLX(complex)') 68 call c_c(CMPLX(1.d0,2.d0),(1.,2.),'CMPLX(double complex)') 69c NOTE: g77 does not support optional argument KIND 70 71c CONJG - Section 13.13.21 72 call c_c(CONJG((2.,-7.)),(2.,7.),'CONJG(complex)') 73 call c_z(CONJG((2.d0,-7.d0)),(2.d0,7.d0),'CONJG(double complex)') 74 75c DBLE - Section 13.13.27 76 j = 5 77 k = 5 78 call c_d(DBLE(5),5.0d0,'DBLE(integer)') 79 call c_d(DBLE(j),5.0d0,'DBLE(integer*2)') 80 call c_d(DBLE(k),5.0d0,'DBLE(integer*1)') 81 call c_d(DBLE(5.),5.0d0,'DBLE(real)') 82 call c_d(DBLE(5.0d0),5.0d0,'DBLE(double)') 83 call c_d(DBLE((5.0,0.5)),5.0d0,'DBLE(complex)') 84 call c_d(DBLE((5.0d0,0.5d0)),5.0d0,'DBLE(double complex)') 85 86c DIM - Section 13.13.29 87 j = -8 88 j2 = -3 89 ja = 0 90 k = -8 91 k2 = -3 92 ka = 0 93 call c_i(DIM(-8,-3),0,'DIM(integer)') 94 call c_i2(DIM(j,j2),ja,'DIM(integer*2)') 95 call c_i1(DIM(k,k2),ka,'DIM(integer*1)') 96 call c_r(DIM(-8.,-3.),0.,'DIM(real,real)') 97 call c_d(DIM(-8.d0,-3.d0),0.d0,'DIM(double,double)') 98 99c DPROD - Section 13.13.31 100 call c_d(DPROD(-8.,-3.),24.d0,'DPROD(real,real)') 101 102c FLOOR - Section 13.13.36 103c Not implemented 104 105c INT - Section 13.13.47 106 j = 5 107 k = 5 108 call c_i(INT(5),5,'INT(integer)') 109 call c_i(INT(j),5,'INT(integer*2)') 110 call c_i(INT(k),5,'INT(integer*1)') 111 call c_i(INT(5.01),5,'INT(real)') 112 call c_i(INT(5.01d0),5,'INT(double)') 113c Note: Does not accept optional second argument KIND 114 115c MAX - Section 13.13.63 116 j = 1 117 j2 = 2 118 ja = 2 119 k = 1 120 k2 = 2 121 ka = 2 122 call c_i(MAX(1,2,3),3,'MAX(integer,integer,integer)') 123 call c_i2(MAX(j,j2),ja,'MAX(integer*2,integer*2)') 124 call c_i1(MAX(k,k2),ka,'MAX(integer*1,integer*1)') 125 call c_r(MAX(1.,2.,3.),3.,'MAX(real,real,real)') 126 call c_d(MAX(1.d0,2.d0,3.d0),3.d0,'MAX(double,double,double)') 127 128c MIN - Section 13.13.68 129 j = 1 130 j2 = 2 131 ja = 1 132 k = 1 133 k2 = 2 134 ka = 1 135 call c_i(MIN(1,2,3),1,'MIN(integer,integer,integer)') 136 call c_i2(MIN(j,j2),ja,'MIN(integer*2,integer*2)') 137 call c_i1(MIN(k,k2),ka,'MIN(integer*1,integer*1)') 138 call c_r(MIN(1.,2.,3.),1.,'MIN(real,real,real)') 139 call c_d(MIN(1.d0,2.d0,3.d0),1.d0,'MIN(double,double,double)') 140 141c MOD - Section 13.13.72 142 call c_i(MOD(8,5),3,'MOD(integer,integer) 1') 143 call c_i(MOD(-8,5),-3,'MOD(integer,integer) 2') 144 call c_i(MOD(8,-5),3,'MOD(integer,integer) 3') 145 call c_i(MOD(-8,-5),-3,'MOD(integer,integer) 4') 146 j = 8 147 j2 = 5 148 ja = 3 149 call c_i2(MOD(j,j2),ja,'MOD(integer*2,integer*2) 1') 150 call c_i2(MOD(-j,j2),-ja,'MOD(integer*2,integer*2) 2') 151 call c_i2(MOD(j,-j2),ja,'MOD(integer*2,integer*2) 3') 152 call c_i2(MOD(-j,-j2),-ja,'MOD(integer*2,integer*2) 4') 153 k = 8 154 k2 = 5 155 ka = 3 156 call c_i1(MOD(k,k2),ka,'MOD(integer*1,integer*1) 1') 157 call c_i1(MOD(-k,k2),-ka,'MOD(integer*1,integer*1) 2') 158 call c_i1(MOD(k,-k2),ka,'MOD(integer*1,integer*1) 3') 159 call c_i1(MOD(-k,-k2),-ka,'MOD(integer*1,integer*1) 4') 160 call c_r(MOD(8.,5.),3.,'MOD(real,real) 1') 161 call c_r(MOD(-8.,5.),-3.,'MOD(real,real) 2') 162 call c_r(MOD(8.,-5.),3.,'MOD(real,real) 3') 163 call c_r(MOD(-8.,-5.),-3.,'MOD(real,real) 4') 164 call c_d(MOD(8.d0,5.d0),3.d0,'MOD(double,double) 1') 165 call c_d(MOD(-8.d0,5.d0),-3.d0,'MOD(double,double) 2') 166 call c_d(MOD(8.d0,-5.d0),3.d0,'MOD(double,double) 3') 167 call c_d(MOD(-8.d0,-5.d0),-3.d0,'MOD(double,double) 4') 168 169c MODULO - Section 13.13.73 170c Not implemented 171 172c NINT - Section 13.13.76 173 call c_i(NINT(2.783),3,'NINT(real)') 174 call c_i(NINT(2.783d0),3,'NINT(double)') 175c Optional second argument KIND not implemented 176 177c REAL - Section 13.13.86 178 j = -2 179 k = -2 180 call c_r(REAL(-2),-2.0,'REAL(integer)') 181 call c_r(REAL(j),-2.0,'REAL(integer*2)') 182 call c_r(REAL(k),-2.0,'REAL(integer*1)') 183 call c_r(REAL(-2.0),-2.0,'REAL(real)') 184 call c_r(REAL(-2.0d0),-2.0,'REAL(double)') 185 call c_r(REAL((-2.,9.)),-2.0,'REAL(complex)') 186c REAL(double complex) not implemented 187c call c_r(REAL((-2.d0,9.d0)),-2.0,'REAL(double complex)') 188 189c SIGN - Section 13.13.96 190 j = -3 191 j2 = 2 192 ja = 3 193 k = -3 194 k2 = 2 195 ka = 3 196 call c_i(SIGN(-3,2),3,'SIGN(integer)') 197 call c_i2(SIGN(j,j2),ja,'SIGN(integer*2)') 198 call c_i1(SIGN(k,k2),ka,'SIGN(integer*1)') 199 call c_r(SIGN(-3.0,2.),3.,'SIGN(real,real)') 200 call c_d(SIGN(-3.d0,2.d0),3.d0,'SIGN(double,double)') 201 202 if ( fail ) call abort() 203 end 204 205 subroutine failure(label) 206c Report failure and set flag 207 character*(*) label 208 logical fail 209 common /flags/ fail 210 write(6,'(a,a,a)') 'Test ',label,' FAILED' 211 fail = .true. 212 end 213 214 subroutine c_i(i,j,label) 215c Check if INTEGER i equals j, and fail otherwise 216 integer i,j 217 character*(*) label 218 if ( i .ne. j ) then 219 call failure(label) 220 write(6,*) 'Got ',i,' expected ', j 221 end if 222 end 223 224 subroutine c_i2(i,j,label) 225c Check if INTEGER*2 i equals j, and fail otherwise 226 integer*2 i,j 227 character*(*) label 228 if ( i .ne. j ) then 229 call failure(label) 230 write(6,*) 'Got ',i,' expected ', j 231 end if 232 end 233 234 subroutine c_i1(i,j,label) 235c Check if INTEGER*1 i equals j, and fail otherwise 236 integer*1 i,j 237 character*(*) label 238 if ( i .ne. j ) then 239 call failure(label) 240 write(6,*) 'Got ',i,' expected ', j 241 end if 242 end 243 244 subroutine c_r(a,b,label) 245c Check if REAL a equals b, and fail otherwise 246 real a, b 247 character*(*) label 248 if ( abs(a-b) .gt. 1.0e-5 ) then 249 call failure(label) 250 write(6,*) 'Got ',a,' expected ', b 251 end if 252 end 253 254 subroutine c_d(a,b,label) 255c Check if DOUBLE PRECISION a equals b, and fail otherwise 256 double precision a, b 257 character*(*) label 258 if ( abs(a-b) .gt. 1.0d-5 ) then 259 call failure(label) 260 write(6,*) 'Got ',a,' expected ', b 261 end if 262 end 263 264 subroutine c_c(a,b,label) 265c Check if COMPLEX a equals b, and fail otherwise 266 complex a, b 267 character*(*) label 268 if ( abs(a-b) .gt. 1.0e-5 ) then 269 call failure(label) 270 write(6,*) 'Got ',a,' expected ', b 271 end if 272 end 273 274 subroutine c_z(a,b,label) 275c Check if COMPLEX a equals b, and fail otherwise 276 double complex a, b 277 character*(*) label 278 if ( abs(a-b) .gt. 1.0d-5 ) then 279 call failure(label) 280 write(6,*) 'Got ',a,' expected ', b 281 end if 282 end 283