419 lines
8.6 KiB
C
419 lines
8.6 KiB
C
/*
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rua_math.c
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Floating point math api for ruamoko
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Copyright (C) 2003 Robert F Merrill
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Author: Robert F Merrill
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Date: 2003-01-22
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#define _GNU_SOURCE
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#include <stdlib.h>
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#include <math.h>
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#include "QF/cmd.h"
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#include "QF/hash.h"
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#include "QF/progs.h"
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#include "QF/sys.h"
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#include "rua_internal.h"
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static void
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bi_sinf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = sinf (P_FLOAT (pr, 0));
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}
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static void
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bi_sincosf (progs_t *pr, void *data)
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{
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float *vec = &R_var (pr, float);
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float x = P_FLOAT (pr, 0);
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sincosf (x, &vec[0], &vec[1]);
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}
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static void
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bi_cosf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = cosf (P_FLOAT (pr, 0));
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}
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static void
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bi_tanf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = tanf (P_FLOAT (pr, 0));
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}
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static void
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bi_asinf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = asinf (P_FLOAT (pr, 0));
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}
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static void
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bi_acosf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = acosf (P_FLOAT (pr, 0));
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}
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static void
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bi_atanf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = atanf (P_FLOAT (pr, 0));
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}
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static void
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bi_atan2f (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = atan2f (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
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}
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static void
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bi_expf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = expf (P_FLOAT (pr, 0));
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}
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static void
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bi_logf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = logf (P_FLOAT (pr, 0));
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}
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static void
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bi_log2f (progs_t *pr, void *data)
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{
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#ifdef HAVE_LOG2F
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R_FLOAT (pr) = log2f (P_FLOAT (pr, 0));
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#else
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R_FLOAT (pr) = logf (P_FLOAT (pr, 0)) / M_LOG2E;
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#endif
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}
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static void
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bi_log10f (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = log10f (P_FLOAT (pr, 0));
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}
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static void
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bi_powf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = powf (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
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}
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static void
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bi_sqrtf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = sqrtf (P_FLOAT (pr, 0));
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}
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static void
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bi_cbrtf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = cbrtf (P_FLOAT (pr, 0));
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}
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static void
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bi_hypotf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = hypotf (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
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}
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static void
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bi_sinhf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = sinhf (P_FLOAT (pr, 0));
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}
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static void
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bi_sincoshf (progs_t *pr, void *data)
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{
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float *vec = &R_var (pr, float);
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float x = P_FLOAT (pr, 0);
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vec[0] = sinhf (x);
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vec[1] = coshf (x);
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}
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static void
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bi_coshf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = coshf (P_FLOAT (pr, 0));
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}
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static void
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bi_tanhf (progs_t *pr, void *data)
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{
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R_FLOAT (pr) = tanhf (P_FLOAT (pr, 0));
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}
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static void
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bi_asinhf (progs_t *pr, void *data)
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{
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double y = P_FLOAT (pr, 0);
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R_FLOAT (pr) = logf (y + sqrtf (y * y + 1));
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}
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static void
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bi_acoshf (progs_t *pr, void *data)
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{
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double y = P_FLOAT (pr, 0);
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R_FLOAT (pr) = logf (y + sqrtf (y * y - 1));
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}
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static void
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bi_atanhf (progs_t *pr, void *data)
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{
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double y = P_FLOAT (pr, 0);
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R_FLOAT (pr) = logf ((1 + y) / (1 - y)) / 2;
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}
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static void
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bi_floor (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = floor (P_DOUBLE (pr, 0));
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}
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static void
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bi_ceil (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = ceil (P_DOUBLE (pr, 0));
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}
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static void
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bi_fabs (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = fabs (P_DOUBLE (pr, 0));
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}
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static void
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bi_sin (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = sin (P_DOUBLE (pr, 0));
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}
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static void
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bi_sincos (progs_t *pr, void *data)
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{
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double *vec = &R_var (pr, double);
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float x = P_FLOAT (pr, 0);
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sincos (x, &vec[0], &vec[1]);
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}
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static void
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bi_cos (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = cos (P_DOUBLE (pr, 0));
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}
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static void
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bi_tan (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = tan (P_DOUBLE (pr, 0));
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}
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static void
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bi_asin (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = asin (P_DOUBLE (pr, 0));
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}
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static void
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bi_acos (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = acos (P_DOUBLE (pr, 0));
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}
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static void
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bi_atan (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = atan (P_DOUBLE (pr, 0));
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}
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static void
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bi_atan2 (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = atan2 (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
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}
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static void
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bi_exp (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = exp (P_DOUBLE (pr, 0));
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}
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static void
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bi_log (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = log (P_DOUBLE (pr, 0));
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}
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static void
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bi_log2 (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = log (P_DOUBLE (pr, 0)) / M_LOG2E;
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}
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static void
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bi_log10 (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = log10 (P_DOUBLE (pr, 0));
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}
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static void
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bi_pow (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = pow (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
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}
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static void
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bi_sqrt (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = sqrt (P_DOUBLE (pr, 0));
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}
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static void
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bi_cbrt (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = cbrt (P_DOUBLE (pr, 0));
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}
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static void
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bi_hypot (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = hypot (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
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}
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static void
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bi_sinh (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = sinh (P_DOUBLE (pr, 0));
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}
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static void
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bi_sincosh (progs_t *pr, void *data)
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{
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float *vec = &R_var (pr, float);
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float x = P_FLOAT (pr, 0);
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vec[0] = sinh (x);
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vec[1] = cosh (x);
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}
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static void
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bi_cosh (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = cosh (P_DOUBLE (pr, 0));
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}
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static void
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bi_tanh (progs_t *pr, void *data)
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{
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R_DOUBLE (pr) = tanh (P_DOUBLE (pr, 0));
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}
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static void
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bi_asinh (progs_t *pr, void *data)
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{
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double y = P_DOUBLE (pr, 0);
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R_DOUBLE (pr) = log (y + sqrt (y * y + 1));
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}
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static void
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bi_acosh (progs_t *pr, void *data)
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{
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double y = P_DOUBLE (pr, 0);
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R_DOUBLE (pr) = log (y + sqrt (y * y - 1));
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}
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static void
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bi_atanh (progs_t *pr, void *data)
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{
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double y = P_DOUBLE (pr, 0);
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R_DOUBLE (pr) = log ((1 + y) / (1 - y)) / 2;
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}
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#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
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#define p(type) PR_PARAM(type)
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static builtin_t builtins[] = {
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{"sin|f", bi_sinf, -1, 1, {p(float)}},
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{"sincos|f",bi_sincosf, -1, 1, {p(float)}},
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{"cos|f", bi_cosf, -1, 1, {p(float)}},
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{"tan|f", bi_tanf, -1, 1, {p(float)}},
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{"asin|f", bi_asinf, -1, 1, {p(float)}},
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{"acos|f", bi_acosf, -1, 1, {p(float)}},
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{"atan|f", bi_atanf, -1, 1, {p(float)}},
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{"atan2|ff",bi_atan2f, -1, 2, {p(float), p(float)}},
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{"exp|f", bi_expf, -1, 1, {p(float)}},
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{"log|f", bi_logf, -1, 1, {p(float)}},
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{"log2|f", bi_log2f, -1, 1, {p(float)}},
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{"log10|f", bi_log10f, -1, 1, {p(float)}},
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{"pow|ff", bi_powf, -1, 2, {p(float), p(float)}},
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{"sqrt|f", bi_sqrtf, -1, 1, {p(float)}},
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{"cbrt|f", bi_cbrtf, -1, 1, {p(float)}},
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{"hypot|ff",bi_hypotf, -1, 2, {p(float), p(float)}},
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{"sinh|f", bi_sinhf, -1, 1, {p(float)}},
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{"sincosh|f",bi_sincoshf,-1, 1, {p(float)}},
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{"cosh|f", bi_coshf, -1, 1, {p(float)}},
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{"tanh|f", bi_tanhf, -1, 1, {p(float)}},
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{"asinh|f", bi_asinhf, -1, 1, {p(float)}},
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{"acosh|f", bi_acoshf, -1, 1, {p(float)}},
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{"atanh|f", bi_atanhf, -1, 1, {p(float)}},
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{"floor|d", bi_floor, -1, 1, {p(double)}}, // float version in pr_cmds
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{"ceil|d", bi_ceil, -1, 1, {p(double)}}, // float version in pr_cmds
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{"fabs|d", bi_fabs, -1, 1, {p(double)}}, // float version in pr_cmds
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{"sin|d", bi_sin, -1, 1, {p(double)}},
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{"sincos|d",bi_sincos, -1, 1, {p(double)}},
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{"cos|d", bi_cos, -1, 1, {p(double)}},
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{"tan|d", bi_tan, -1, 1, {p(double)}},
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{"asin|d", bi_asin, -1, 1, {p(double)}},
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{"acos|d", bi_acos, -1, 1, {p(double)}},
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{"atan|d", bi_atan, -1, 1, {p(double)}},
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{"atan2|dd",bi_atan2, -1, 2, {p(double), p(double)}},
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{"exp|d", bi_exp, -1, 1, {p(double)}},
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{"log|d", bi_log, -1, 1, {p(double)}},
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{"log2|d", bi_log2, -1, 1, {p(double)}},
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{"log10|d", bi_log10, -1, 1, {p(double)}},
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{"pow|dd", bi_pow, -1, 2, {p(double), p(double)}},
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{"sqrt|d", bi_sqrt, -1, 1, {p(double)}},
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{"cbrt|d", bi_cbrt, -1, 1, {p(double)}},
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{"hypot|dd",bi_hypot, -1, 2, {p(double), p(double)}},
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{"sinh|d", bi_sinh, -1, 1, {p(double)}},
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{"sincosh|d",bi_sincosh,-1, 1, {p(double)}},
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{"cosh|d", bi_cosh, -1, 1, {p(double)}},
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{"tanh|d", bi_tanh, -1, 1, {p(double)}},
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{"asinh|d", bi_asinh, -1, 1, {p(double)}},
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{"acosh|d", bi_acosh, -1, 1, {p(double)}},
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{"atanh|d", bi_atanh, -1, 1, {p(double)}},
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{0}
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};
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void
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RUA_Math_Init (progs_t *pr, int secure)
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{
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PR_RegisterBuiltins (pr, builtins, 0);
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}
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