|
|
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: * @(#)z_log.c 5.2 11/3/86 ! 7: */ ! 8: ! 9: #include "complex" ! 10: #ifdef tahoe ! 11: #define cabs zabs ! 12: #endif tahoe ! 13: ! 14: z_log(r, z) ! 15: dcomplex *r, *z; ! 16: { ! 17: double log(), cabs(), atan2(); ! 18: ! 19: r->dimag = atan2(z->dimag, z->dreal); ! 20: r->dreal = log( cabs( z->dreal, z->dimag ) ); ! 21: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.