What is the motivation for defining PI as
PI=4.D0*DATAN(1.D0)
within Fortran 77 code? I understand how it works, but, what is the reasoning?
What is the motivation for defining PI as PI=4.D0*DATAN(1.D0) within Fortran 77 code? I
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What is the motivation for defining PI as
PI=4.D0*DATAN(1.D0)
within Fortran 77 code? I understand how it works, but, what is the reasoning?
This style ensures that the maximum precision available on ANY architecture is used when assigning a value to PI.