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Bell 32V development
[unix-history]
/
usr
/
src
/
libF77
/
c_cos.c
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#include "complex"
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c_cos(r, z)
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complex *r, *z;
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{
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double sin(), cos(), sinh(), cosh();
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r->real = cos(z->real) * cosh(z->imag);
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r->imag = - sin(z->real) * sinh(z->imag);
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}