22 lines
304 B
C
22 lines
304 B
C
#ifndef lint
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static char sccsid[] = "@(#)acospi.c 1.1 92/07/30 SMI";
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#endif
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/*
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* Copyright (c) 1988 by Sun Microsystems, Inc.
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*/
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/* acospi(x)
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*
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* acospi(x) = acos(x)/pi
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*
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*/
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static double invpi = 0.3183098861837906715377675;
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double acospi(x)
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double x;
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{
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double acos(); return acos(x)*invpi;
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}
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