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16 lines
209 B
16 lines
209 B
1 year ago
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program main
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use m1, only : pi
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use m4, only : halfpi
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implicit none
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real :: rpi, rhalfpi
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rpi = pi() / 2
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rhalfpi = halfpi()
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print '(a,ES15.8)', 'floating point precision loss: ', rpi - rhalfpi
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end program
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