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1.1 ! root 1: /* ! 2: * Copyright (c) 1980 Regents of the University of California. ! 3: * All rights reserved. The Berkeley software License Agreement ! 4: * specifies the terms and conditions for redistribution. ! 5: * ! 6: * @(#)c_sin.c 5.1 6/7/85 ! 7: */ ! 8: ! 9: #include "complex" ! 10: ! 11: c_sin(r, z) ! 12: complex *r, *z; ! 13: { ! 14: double sin(), cos(), sinh(), cosh(); ! 15: ! 16: r->real = sin(z->real) * cosh(z->imag); ! 17: r->imag = cos(z->real) * sinh(z->imag); ! 18: }
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