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  /src/lib/libm/complex/
cacosh.c 1 /* $NetBSD: cacosh.c,v 1.2 2009/08/03 19:41:32 drochner Exp $ */
35 cacosh(double complex z) function in typeref:typename:double complex
catrig.c 93 * The code for casinh, casin, cacos, and cacosh comes first. The code is
103 * | casinh, casin, cacos, cacosh |
449 * cacosh(z) = I*cacos(z) or -I*cacos(z)
450 * where the sign is chosen so Re(cacosh(z)) >= 0.
453 cacosh(double complex z) function in typeref:typename:double complex
461 /* cacosh(NaN + I*NaN) = NaN + I*NaN */
464 /* cacosh(NaN + I*+-Inf) = +Inf + I*NaN */
465 /* cacosh(+-Inf + I*NaN) = +Inf + I*NaN */
468 /* cacosh(0 + I*NaN) = NaN + I*NaN */

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