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program testunitnormmap
implicit none
include 'AST_PAR'
include 'SAE_PAR'
integer status, map, cmpmap, smap, invmap, nin, i
logical good, differ
double precision norm, frompos(3), centre(3), topos(4)
data centre /-1.0D0, 1.0D0, 2.0D0 /,
: frompos /-22.0D0, 3.0D0, 0.5D0/
status = sai__ok
call err_mark( status )
call ast_begin( status )
do nin = 1, 3
map = ast_unitnormmap( nin, centre, ' ', status )
if( .not. ast_isaunitnormmap( map, status ) )
: call stopit( status, 'Error 1' )
if( .not. ast_isamapping( map, status ) )
: call stopit( status, 'Error 2' )
if( ast_geti( map, 'Nin', status ) .ne. nin )
: call stopit( status, 'Error 3' )
if( ast_geti( map, 'Nout', status ) .ne. nin+1 )
: call stopit( status, 'Error 4' )
if( ast_getl( map, 'IsLinear', status ) )
: call stopit( status, 'Error 5' )
call checkdump( map, status )
call checkroundtrip( map, frompos, good, status )
if( .not. good ) call stopit( status, 'Error 6' )
call checkroundtrip( map, centre, good, status )
if( .not. good ) call stopit( status, 'Error 6' )
invmap = ast_copy( map, status )
call ast_invert( invmap, status )
cmpmap = ast_cmpmap( map, invmap, .true., ' ', status )
smap = ast_simplify( cmpmap, status )
if( .not. ast_isaunitmap( smap, status ) )
: call stopit( status, 'Error 7' )
if( ast_geti( smap, 'Nin', status ) .ne. nin )
: call stopit( status, 'Error 8' )
cmpmap = ast_cmpmap( invmap, map, .true., ' ', status )
smap = ast_simplify( cmpmap, status )
if( .not. ast_isaunitmap( smap, status ) )
: call stopit( status, 'Error 9' )
if( ast_geti( smap, 'Nin', status ) .ne. nin+1 )
: call stopit( status, 'Error 10' )
call ast_trann( map, 1, nin, 1, frompos, .true., nin+1,
: 1, topos, status );
norm = 0.0D0
do i = 1, nin
norm = norm + (frompos(i)-centre(i))**2
end do
norm = sqrt( norm )
if( differ( norm, topos(nin+1) ) )
: call stopit( status, 'Error 11' )
do i = 1, nin
if( differ( norm*topos(i), frompos(i)-centre(i) ) )
: call stopit( status, 'Error 12' )
end do
end do
call testsimplify( status )
call ast_end( status )
call err_rlse( status )
c call ast_activememory( 'testunitnormmap' )
call ast_flushmemory( 1 )
if( status .eq. sai__ok ) then
write(*,*) 'All UnitNormMap tests passed'
else
write(*,*) 'UnitNormMap tests failed'
end if
end
subroutine stopit( status, text )
implicit none
include 'SAE_PAR'
integer status
character text*(*)
if( status .ne. sai__ok ) return
status = sai__error
write(*,*) text
end
subroutine checkdump( obj, status )
implicit none
include 'SAE_PAR'
include 'AST_PAR'
integer obj, status, stat, ch, result, nin, i
logical differ
double precision in(3), out1(3), out2(3)
data in /10.0D0, 5.0D0, -12.0D0 /
if( status .ne. sai__ok ) return
ch = ast_channel( AST_NULL, AST_NULL, 'SinkFile=testdmp', status )
if( ast_write( ch, obj, status ) .ne.1 ) then
call stopit( status, 'Cannot write supplied object to '//
: 'channel' )
end if
call ast_clear( ch, 'SinkFile', status )
call ast_setc( ch, 'SourceFile', 'testdmp', status )
result = ast_read( ch, status )
if( result .eq. ast__null ) then
call stopit( status, 'Cannot read object from channel' )
end if
if( .not. ast_isaunitnormmap( result, status ) ) then
call stopit( status, 'Object read from channel is not a '//
: 'UnitNormMap')
else if( ast_geti( result, 'Nin', status ) .ne.
: ast_geti( obj, 'Nin', status ) ) then
call stopit( status, 'UnitNormMap have different Nin values' )
else
nin = ast_geti( result, 'Nin', status )
call ast_trann( result, 1, nin, 1, in, .TRUE., nin+1, 1, out1,
: status );
call ast_trann( obj, 1, nin, 1, in, .TRUE., nin+1, 1, out2,
: status );
do i = 1, nin
if( differ( out2(i), out1(i) ) )
: call stopit( status, 'Error - Recovered UnitNormMap '//
: 'differs from suppled UnitNormMap' )
end do
end if
call ast_annul( result, status )
open( unit=1234, iostat=stat, file='testdmp', status='old')
if (stat == 0) close(1234, status='delete')
end
subroutine checkroundtrip( map, pos, good, status )
implicit none
include 'SAE_PAR'
include 'AST_PAR'
logical good, differ
integer status, map, mapinv, cmp, i, nin, nout
double precision pos(*), rtol, atol, out(7), in(7)
good = .true.
if( status .ne. sai__ok ) return
nin = ast_geti( map, 'Nin', status )
nout = ast_geti( map, 'Nout', status )
call ast_trann( map, 1, nin, 1, pos, .TRUE., nout, 1, out,
: status );
call ast_trann( map, 1, nout, 1, out, .FALSE., nin, 1, in,
: status );
do i = 1, nin
if( differ( in(i), pos(i) ) ) good = .false.
end do
mapinv = ast_copy( map, status )
call ast_invert( mapinv, status )
cmp = ast_cmpmap( map, mapinv, .TRUE., ' ', status )
call ast_trann( cmp, 1, nin, 1, pos, .true., nin, 1, in,
: status );
do i = 1, nin
if( differ( in(i), pos(i) ) ) good = .false.
end do
end
subroutine testsimplify( status )
implicit none
include 'SAE_PAR'
include 'AST_PAR'
integer status, unm1, unm1inv, unm2, unm2inv, shiftmap,
: winmap1, winmap2, i, j, k, nin, nout, cmpmap,
: cmpmap_simp
double precision centre1(3)
double precision centre2(3)
double precision shift(3)
double precision zeros(3)
double precision ones(3)
double precision a(3)
double precision testpoints(3,4)
double precision outpoints(3,4)
double precision outpoints_simp(3,4)
integer map1(7), map2(7)
character class(7)*30
logical differ
data centre1 /2.0D0, -1.0D0, 0.0D0/,
: centre2 /-1.0D0, 6.0D0, 4.0D0/,
: shift /3.0D0, 7.0D0, -9.0D0/,
: zeros /0.0D0, 0.0D0, 0.0D0/,
: ones /1.0D0, 1.0D0, 1.0D0/,
: testpoints / 1.0D0, 3.0D0, -5.0D0, 2.0D0, 3.0D0, 99.0D0,
: -6.0D0, -5.0D0, -7.0D0, 30.0D0, 21.0D0, 37.0D0 /
if( status .ne. sai__ok ) return
unm1 = ast_unitnormmap( 3, centre1, ' ', status )
unm1inv = ast_copy( unm1, status )
call ast_setl( unm1inv, 'Invert', .TRUE., status )
unm2 = ast_unitnormmap( 3, centre2, ' ', status )
unm2inv = ast_copy( unm2, status )
call ast_setl( unm2inv, 'Invert', .TRUE., status )
shiftmap = ast_shiftmap(3, shift, ' ', status )
do i = 1, 3
a(i) = ones(i) + shift(i)
end do
winmap1 = ast_winmap( 3, zeros, shift, ones, a, ' ', status )
do i = 1, 3
a(i) = 2*ones(i) + shift(i)
end do
winmap2 = ast_winmap( 3, zeros, shift, ones, a, ' ', status )
map1(1) = unm1
map2(1) = unm2inv
class(1) = 'WinMap'
map1(2) = shiftmap
map2(2) = unm2
class(2) = 'UnitNormMap'
map1(3) = winmap1
map2(3) = unm1
class(3) = 'UnitNormMap'
map1(4) = winmap2
map2(4) = unm1
class(4) = 'CmpMap'
map1(5) = unm1inv
map2(5) = shiftmap
class(5) = 'UnitNormMap'
map1(6) = unm1inv
map2(6) = winmap1
class(6) = 'UnitNormMap'
map1(7) = unm1inv
map2(7) = winmap2
class(7) = 'CmpMap'
do i = 1, 7
cmpmap = ast_cmpmap( map1(i), map2(i), .true., ' ', status )
cmpmap_simp = ast_simplify( cmpmap, status )
if( ast_getc( cmpmap_simp, 'Class', status ) .ne. class(i) )
: call stopit( status, 'Simplify error 1' )
nin = ast_geti( cmpmap, 'Nin', status )
if( nin .ne. ast_geti( cmpmap_simp, 'Nin', status ) )
: call stopit( status, 'Simplify error 2' )
nout = ast_geti( cmpmap, 'Nout', status )
if( nout .ne. ast_geti( cmpmap_simp, 'Nout', status ) )
: call stopit( status, 'Simplify error 3' )
call ast_trann( cmpmap, 3, nin, 3, testpoints, .true., nout,
: 3, outpoints, status )
call ast_trann( cmpmap_simp, 3, nin, 3, testpoints, .true.,
: nout, 3, outpoints_simp, status )
do j = 1, nout
do k = 1, 3
if( differ( outpoints(k,j), outpoints_simp(k,j) ) )
: call stopit( status, 'Simplify error 4' )
end do
end do
end do
end
logical function differ( aa, bb )
implicit none
double precision aa, bb, diff
differ = abs( (aa) - (bb) ) .gt.
: abs( 0.5D0*( (aa) + (bb) ) )*1.0D-14
end
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