66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
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/* $NetBSD: gen_cvtab.c,v 1.1 1996/02/24 20:13:00 chopps Exp $ */
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/*
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* Copyright (c) 1996 Christian E. Hopps
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christian E. Hopps.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <stdio.h>
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/*
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* generate a conversion table to replace the use of the
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* floating point expression below in grf_cv.c
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*/
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int
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main(int argc, char** argv)
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{
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u_long vals[31];
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u_long clock;
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int m = 33;
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int lastm = -1;
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for (clock = 0; clock < 1080 && m > 0; ++clock) {
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m = ((55 * .72 + 16.867) * 89.736 / (clock + 39) - 21.1543);
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m = m / 2 - 1;
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if (m > 31)
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continue;
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if (m != lastm) {
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vals[m] = clock;
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lastm = m;
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}
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}
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printf("/* generated by gen_cvtab */\n");
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printf("static int cv_convtab[31] = {");
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for (m = 0; m < 31; ++m) {
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if (m % 5 == 0)
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printf("\n");
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printf("\t%ld,", vals[m]);
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}
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printf("\n};\n");
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}
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