14 lines
205 B
FortranFixed
14 lines
205 B
FortranFixed
function csin(z1)
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complex csin, z1, z2
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dimension dummy(2)
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equivalence (a,z2,dummy(1)), (b,dummy(2))
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z2 = z1
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c = exp(b)
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d = 1.0/c
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b = cos(a)*(c-d)/2.0
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a = sin(a)*(c+d)/2.0
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csin = z2
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return
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end
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