mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2025-03-03 07:43:58 +00:00
df7c08a010
Only as scalars, I still need to think about what to do for vectors and quaternions due to param size issues. Also, doubles are not yet guaranteed to be correctly aligned.
342 lines
5.8 KiB
C
342 lines
5.8 KiB
C
/*
|
|
rua_math.c
|
|
|
|
Floating point math api for ruamoko
|
|
|
|
Copyright (C) 2003 Robert F Merrill
|
|
|
|
Author: Robert F Merrill
|
|
Date: 2003-01-22
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
|
|
#include "QF/cmd.h"
|
|
#include "QF/hash.h"
|
|
#include "QF/progs.h"
|
|
#include "QF/sys.h"
|
|
|
|
#include "rua_internal.h"
|
|
|
|
static void
|
|
bi_sinf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = sinf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_cosf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = cosf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_tanf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = tanf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_asinf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = asinf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_acosf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = acosf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_atanf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = atanf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_atan2f (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = atan2f (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_logf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = logf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_log2f (progs_t *pr)
|
|
{
|
|
#ifdef HAVE_LOG2F
|
|
R_FLOAT (pr) = log2f (P_FLOAT (pr, 0));
|
|
#else
|
|
R_FLOAT (pr) = logf (P_FLOAT (pr, 0)) / M_LOG2E;
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
bi_log10f (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = log10f (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_powf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = powf (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_sqrtf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = sqrtf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_cbrtf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = cbrtf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_hypotf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = hypotf (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_sinhf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = sinhf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_coshf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = coshf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_tanhf (progs_t *pr)
|
|
{
|
|
R_FLOAT (pr) = tanhf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_asinhf (progs_t *pr)
|
|
{
|
|
double y = P_FLOAT (pr, 0);
|
|
R_FLOAT (pr) = logf (y + sqrtf (y * y + 1));
|
|
}
|
|
|
|
static void
|
|
bi_acoshf (progs_t *pr)
|
|
{
|
|
double y = P_FLOAT (pr, 0);
|
|
R_FLOAT (pr) = logf (y + sqrtf (y * y - 1));
|
|
}
|
|
|
|
static void
|
|
bi_atanhf (progs_t *pr)
|
|
{
|
|
double y = P_FLOAT (pr, 0);
|
|
R_FLOAT (pr) = logf ((1 + y) / (1 - y)) / 2;
|
|
}
|
|
|
|
static void
|
|
bi_sin (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = sin (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_cos (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = cos (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_tan (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = tan (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_asin (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = asin (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_acos (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = acos (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_atan (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = atan (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_atan2 (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = atan2 (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_log (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = log (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_log2 (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = log (P_DOUBLE (pr, 0)) / M_LOG2E;
|
|
}
|
|
|
|
static void
|
|
bi_log10 (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = log10 (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_pow (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = pow (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_sqrt (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = sqrt (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_cbrt (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = cbrt (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_hypot (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = hypot (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_sinh (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = sinh (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_cosh (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = cosh (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_tanh (progs_t *pr)
|
|
{
|
|
R_DOUBLE (pr) = tanh (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_asinh (progs_t *pr)
|
|
{
|
|
double y = P_DOUBLE (pr, 0);
|
|
R_DOUBLE (pr) = log (y + sqrt (y * y + 1));
|
|
}
|
|
|
|
static void
|
|
bi_acosh (progs_t *pr)
|
|
{
|
|
double y = P_DOUBLE (pr, 0);
|
|
R_DOUBLE (pr) = log (y + sqrt (y * y - 1));
|
|
}
|
|
|
|
static void
|
|
bi_atanh (progs_t *pr)
|
|
{
|
|
double y = P_DOUBLE (pr, 0);
|
|
R_DOUBLE (pr) = log ((1 + y) / (1 - y)) / 2;
|
|
}
|
|
|
|
static builtin_t builtins[] = {
|
|
{"sin|f", bi_sinf, -1},
|
|
{"cos|f", bi_cosf, -1},
|
|
{"tan|f", bi_tanf, -1},
|
|
{"asin|f", bi_asinf, -1},
|
|
{"acos|f", bi_acosf, -1},
|
|
{"atan|f", bi_atanf, -1},
|
|
{"atan2|f", bi_atan2f, -1},
|
|
{"log|f", bi_logf, -1},
|
|
{"log2|f", bi_log2f, -1},
|
|
{"log10|f", bi_log10f, -1},
|
|
{"pow|f", bi_powf, -1},
|
|
{"sqrt|f", bi_sqrtf, -1},
|
|
{"cbrt|f", bi_cbrtf, -1},
|
|
{"hypot|f", bi_hypotf, -1},
|
|
{"sinh|f", bi_sinhf, -1},
|
|
{"cosh|f", bi_coshf, -1},
|
|
{"tanh|f", bi_tanhf, -1},
|
|
{"asinh|f", bi_asinhf, -1},
|
|
{"acosh|f", bi_acoshf, -1},
|
|
{"atanh|f", bi_atanhf, -1},
|
|
{"sin|d", bi_sin, -1},
|
|
{"cos|d", bi_cos, -1},
|
|
{"tan|d", bi_tan, -1},
|
|
{"asin|d", bi_asin, -1},
|
|
{"acos|d", bi_acos, -1},
|
|
{"atan|d", bi_atan, -1},
|
|
{"atan2|d", bi_atan2, -1},
|
|
{"log|d", bi_log, -1},
|
|
{"log2|d", bi_log2, -1},
|
|
{"log10|d", bi_log10, -1},
|
|
{"pow|d", bi_pow, -1},
|
|
{"sqrt|d", bi_sqrt, -1},
|
|
{"cbrt|d", bi_cbrt, -1},
|
|
{"hypot|d", bi_hypot, -1},
|
|
{"sinh|d", bi_sinh, -1},
|
|
{"cosh|d", bi_cosh, -1},
|
|
{"tanh|d", bi_tanh, -1},
|
|
{"asinh|d", bi_asinh, -1},
|
|
{"acosh|d", bi_acosh, -1},
|
|
{"atanh|d", bi_atanh, -1},
|
|
{0}
|
|
};
|
|
|
|
void
|
|
RUA_Math_Init (progs_t *pr, int secure)
|
|
{
|
|
PR_RegisterBuiltins (pr, builtins);
|
|
}
|