mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 04:42:32 +00:00
bce2b7d767
sincos is just a wrapper around the GNU libc sincos. sincosh is the equivalent for sinh and cosh, but there doesn't seem to be any such function, so it's just the two wrapped. They both return their results in a vec2/vec2d as (sih[h], cos[h]).
418 lines
8.6 KiB
C
418 lines
8.6 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
|
|
|
|
#define _GNU_SOURCE
|
|
#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, void *data)
|
|
{
|
|
R_FLOAT (pr) = sinf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_sincosf (progs_t *pr, void *data)
|
|
{
|
|
float *vec = &R_var (pr, float);
|
|
float x = P_FLOAT (pr, 0);
|
|
sincosf (x, &vec[0], &vec[1]);
|
|
}
|
|
|
|
static void
|
|
bi_cosf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = cosf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_tanf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = tanf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_asinf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = asinf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_acosf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = acosf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_atanf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = atanf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_atan2f (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = atan2f (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_expf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = expf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_logf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = logf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_log2f (progs_t *pr, void *data)
|
|
{
|
|
#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, void *data)
|
|
{
|
|
R_FLOAT (pr) = log10f (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_powf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = powf (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_sqrtf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = sqrtf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_cbrtf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = cbrtf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_hypotf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = hypotf (P_FLOAT (pr, 0), P_FLOAT (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_sinhf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = sinhf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_sincoshf (progs_t *pr, void *data)
|
|
{
|
|
float *vec = &R_var (pr, float);
|
|
float x = P_FLOAT (pr, 0);
|
|
vec[0] = sinhf (x);
|
|
vec[1] = coshf (x);
|
|
}
|
|
|
|
static void
|
|
bi_coshf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = coshf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_tanhf (progs_t *pr, void *data)
|
|
{
|
|
R_FLOAT (pr) = tanhf (P_FLOAT (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_asinhf (progs_t *pr, void *data)
|
|
{
|
|
double y = P_FLOAT (pr, 0);
|
|
R_FLOAT (pr) = logf (y + sqrtf (y * y + 1));
|
|
}
|
|
|
|
static void
|
|
bi_acoshf (progs_t *pr, void *data)
|
|
{
|
|
double y = P_FLOAT (pr, 0);
|
|
R_FLOAT (pr) = logf (y + sqrtf (y * y - 1));
|
|
}
|
|
|
|
static void
|
|
bi_atanhf (progs_t *pr, void *data)
|
|
{
|
|
double y = P_FLOAT (pr, 0);
|
|
R_FLOAT (pr) = logf ((1 + y) / (1 - y)) / 2;
|
|
}
|
|
|
|
static void
|
|
bi_floor (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = floor (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_ceil (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = ceil (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_fabs (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = fabs (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_sin (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = sin (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_sincos (progs_t *pr, void *data)
|
|
{
|
|
double *vec = &R_var (pr, double);
|
|
float x = P_FLOAT (pr, 0);
|
|
sincos (x, &vec[0], &vec[1]);
|
|
}
|
|
|
|
static void
|
|
bi_cos (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = cos (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_tan (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = tan (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_asin (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = asin (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_acos (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = acos (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_atan (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = atan (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_atan2 (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = atan2 (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_exp (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = exp (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_log (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = log (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_log2 (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = log (P_DOUBLE (pr, 0)) / M_LOG2E;
|
|
}
|
|
|
|
static void
|
|
bi_log10 (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = log10 (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_pow (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = pow (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_sqrt (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = sqrt (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_cbrt (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = cbrt (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_hypot (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = hypot (P_DOUBLE (pr, 0), P_DOUBLE (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_sinh (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = sinh (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_sincosh (progs_t *pr, void *data)
|
|
{
|
|
float *vec = &R_var (pr, float);
|
|
float x = P_FLOAT (pr, 0);
|
|
vec[0] = sinh (x);
|
|
vec[1] = cosh (x);
|
|
}
|
|
|
|
static void
|
|
bi_cosh (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = cosh (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_tanh (progs_t *pr, void *data)
|
|
{
|
|
R_DOUBLE (pr) = tanh (P_DOUBLE (pr, 0));
|
|
}
|
|
|
|
static void
|
|
bi_asinh (progs_t *pr, void *data)
|
|
{
|
|
double y = P_DOUBLE (pr, 0);
|
|
R_DOUBLE (pr) = log (y + sqrt (y * y + 1));
|
|
}
|
|
|
|
static void
|
|
bi_acosh (progs_t *pr, void *data)
|
|
{
|
|
double y = P_DOUBLE (pr, 0);
|
|
R_DOUBLE (pr) = log (y + sqrt (y * y - 1));
|
|
}
|
|
|
|
static void
|
|
bi_atanh (progs_t *pr, void *data)
|
|
{
|
|
double y = P_DOUBLE (pr, 0);
|
|
R_DOUBLE (pr) = log ((1 + y) / (1 - y)) / 2;
|
|
}
|
|
|
|
#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
|
|
#define p(type) PR_PARAM(type)
|
|
static builtin_t builtins[] = {
|
|
{"sin|f", bi_sinf, -1, 1, {p(float)}},
|
|
{"sincos|f",bi_sincosf, -1, 1, {p(float)}},
|
|
{"cos|f", bi_cosf, -1, 1, {p(float)}},
|
|
{"tan|f", bi_tanf, -1, 1, {p(float)}},
|
|
{"asin|f", bi_asinf, -1, 1, {p(float)}},
|
|
{"acos|f", bi_acosf, -1, 1, {p(float)}},
|
|
{"atan|f", bi_atanf, -1, 1, {p(float)}},
|
|
{"atan2|ff",bi_atan2f, -1, 2, {p(float), p(float)}},
|
|
{"exp|f", bi_expf, -1, 1, {p(float)}},
|
|
{"log|f", bi_logf, -1, 1, {p(float)}},
|
|
{"log2|f", bi_log2f, -1, 1, {p(float)}},
|
|
{"log10|f", bi_log10f, -1, 1, {p(float)}},
|
|
{"pow|ff", bi_powf, -1, 2, {p(float), p(float)}},
|
|
{"sqrt|f", bi_sqrtf, -1, 1, {p(float)}},
|
|
{"cbrt|f", bi_cbrtf, -1, 1, {p(float)}},
|
|
{"hypot|ff",bi_hypotf, -1, 2, {p(float), p(float)}},
|
|
{"sinh|f", bi_sinhf, -1, 1, {p(float)}},
|
|
{"sincosh|f",bi_sincoshf,-1, 1, {p(float)}},
|
|
{"cosh|f", bi_coshf, -1, 1, {p(float)}},
|
|
{"tanh|f", bi_tanhf, -1, 1, {p(float)}},
|
|
{"asinh|f", bi_asinhf, -1, 1, {p(float)}},
|
|
{"acosh|f", bi_acoshf, -1, 1, {p(float)}},
|
|
{"atanh|f", bi_atanhf, -1, 1, {p(float)}},
|
|
{"floor|d", bi_floor, -1, 1, {p(double)}}, // float version in pr_cmds
|
|
{"ceil|d", bi_ceil, -1, 1, {p(double)}}, // float version in pr_cmds
|
|
{"fabs|d", bi_fabs, -1, 1, {p(double)}}, // float version in pr_cmds
|
|
{"sin|d", bi_sin, -1, 1, {p(double)}},
|
|
{"sincos|d",bi_sincos, -1, 1, {p(double)}},
|
|
{"cos|d", bi_cos, -1, 1, {p(double)}},
|
|
{"tan|d", bi_tan, -1, 1, {p(double)}},
|
|
{"asin|d", bi_asin, -1, 1, {p(double)}},
|
|
{"acos|d", bi_acos, -1, 1, {p(double)}},
|
|
{"atan|d", bi_atan, -1, 1, {p(double)}},
|
|
{"atan2|dd",bi_atan2, -1, 2, {p(double), p(double)}},
|
|
{"exp|d", bi_exp, -1, 1, {p(double)}},
|
|
{"log|d", bi_log, -1, 1, {p(double)}},
|
|
{"log2|d", bi_log2, -1, 1, {p(double)}},
|
|
{"log10|d", bi_log10, -1, 1, {p(double)}},
|
|
{"pow|dd", bi_pow, -1, 2, {p(double), p(double)}},
|
|
{"sqrt|d", bi_sqrt, -1, 1, {p(double)}},
|
|
{"cbrt|d", bi_cbrt, -1, 1, {p(double)}},
|
|
{"hypot|dd",bi_hypot, -1, 2, {p(double), p(double)}},
|
|
{"sinh|d", bi_sinh, -1, 1, {p(double)}},
|
|
{"sincosh|d",bi_sincosh,-1, 1, {p(double)}},
|
|
{"cosh|d", bi_cosh, -1, 1, {p(double)}},
|
|
{"tanh|d", bi_tanh, -1, 1, {p(double)}},
|
|
{"asinh|d", bi_asinh, -1, 1, {p(double)}},
|
|
{"acosh|d", bi_acosh, -1, 1, {p(double)}},
|
|
{"atanh|d", bi_atanh, -1, 1, {p(double)}},
|
|
{0}
|
|
};
|
|
|
|
void
|
|
RUA_Math_Init (progs_t *pr, int secure)
|
|
{
|
|
PR_RegisterBuiltins (pr, builtins, 0);
|
|
}
|