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Diffstat (limited to 'pd/extra/expr~/vexp_fun.c')
| -rw-r--r-- | pd/extra/expr~/vexp_fun.c | 828 |
1 files changed, 828 insertions, 0 deletions
diff --git a/pd/extra/expr~/vexp_fun.c b/pd/extra/expr~/vexp_fun.c new file mode 100644 index 00000000..2879d96b --- /dev/null +++ b/pd/extra/expr~/vexp_fun.c @@ -0,0 +1,828 @@ +/* + * jMax + * Copyright (C) 1994, 1995, 1998, 1999 by IRCAM-Centre Georges Pompidou, Paris, France. + * + * 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. + * + * See file LICENSE for further informations on licensing terms. + * + * 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 the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Based on Max/ISPW by Miller Puckette. + * + * Authors: Maurizio De Cecco, Francois Dechelle, Enzo Maggi, Norbert Schnell. + * + */ + +/* "expr" was written by Shahrokh Yadegari c. 1989. -msp */ +/* Nov. 2001 - conversion for expr~ --sdy */ + +/* + * vexp_func.c -- this file include all the functions for vexp. + * the first two arguments to the function are the number + * of argument and an array of arguments (argc, argv) + * the last argument is a pointer to a struct ex_ex for + * the result. Up do this point, the content of the + * struct ex_ex that these functions receive are either + * ET_INT (long), ET_FLT (float), or ET_SYM (char **, it is + * char ** and not char * since NewHandle of Mac returns + * a char ** for relocatability.) The common practice in + * these functions is that they figure out the type of their + * result according to the type of the arguments. In general + * the ET_SYM is used an ET_INT when we expect a value. + * It is the users responsibility not to pass strings to the + * function. + */ + +#include <stdlib.h> + +#define __STRICT_BSD__ +#include <math.h> +#undef __STRICT_BSD__ + + +#include "vexp.h" + +/* forward declarations */ + +static void ex_min(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_max(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_toint(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_rint(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_tofloat(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_pow(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_exp(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_log(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_ln(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_sin(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_cos(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_asin(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_acos(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_tan(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_atan(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_sinh(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_cosh(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_asinh(t_expr *expr, long argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_acosh(t_expr *expr, long argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_tanh(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_atanh(t_expr *expr, long argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_atan2(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_sqrt(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_fact(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_random(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); +static void ex_abs(t_expr *expr, long int argc, struct ex_ex *argv, struct ex_ex *optr); + +t_ex_func ex_funcs[] = { + {"min", ex_min, 2}, + {"max", ex_max, 2}, + {"int", ex_toint, 1}, + {"rint", ex_rint, 1}, + {"float", ex_tofloat, 1}, + {"pow", ex_pow, 2}, + {"sqrt", ex_sqrt, 1}, + {"exp", ex_exp, 1}, + {"log10", ex_log, 1}, + {"ln", ex_ln, 1}, + {"log", ex_ln, 1}, + {"sin", ex_sin, 1}, + {"cos", ex_cos, 1}, + {"tan", ex_tan, 1}, + {"asin", ex_asin, 1}, + {"acos", ex_acos, 1}, + {"atan", ex_atan, 1}, + {"atan2", ex_atan2, 2}, + {"sinh", ex_sinh, 1}, + {"cosh", ex_cosh, 1}, + {"tanh", ex_tanh, 1}, + {"fact", ex_fact, 1}, + {"random", ex_random, 2}, /* random number */ + {"abs", ex_abs, 1}, +#ifndef NT + {"asinh", ex_asinh, 1}, + {"acosh", ex_acosh, 1}, + {"atanh", ex_atanh, 1}, /* hyperbolic atan */ +#endif +#ifdef PD + {"size", ex_size, 1}, + {"sum", ex_sum, 1}, + {"Sum", ex_Sum, 3}, + {"avg", ex_avg, 1}, + {"Avg", ex_Avg, 3}, + {"store", ex_store, 3}, +#endif + {0, 0, 0} +}; + +/* + * FUN_EVAL -- + */ +#define FUNC_EVAL(left, right, func, leftfuncast, rightfuncast, optr) \ +switch (left->ex_type) { \ +case ET_INT: \ + switch(right->ex_type) { \ + case ET_INT: \ + if (optr->ex_type == ET_VEC) { \ + op = optr->ex_vec; \ + scalar = (float)func(leftfuncast left->ex_int, \ + rightfuncast right->ex_int); \ + j = e->exp_vsize; \ + while (j--) \ + *op++ = scalar; \ + } else { \ + optr->ex_type = ET_INT; \ + optr->ex_int = (int)func(leftfuncast left->ex_int, \ + rightfuncast right->ex_int); \ + } \ + break; \ + case ET_FLT: \ + if (optr->ex_type == ET_VEC) { \ + op = optr->ex_vec; \ + scalar = (float)func(leftfuncast left->ex_int, \ + rightfuncast right->ex_flt); \ + j = e->exp_vsize; \ + while (j--) \ + *op++ = scalar; \ + } else { \ + optr->ex_type = ET_FLT; \ + optr->ex_flt = (float)func(leftfuncast left->ex_int, \ + rightfuncast right->ex_flt); \ + } \ + break; \ + case ET_VEC: \ + case ET_VI: \ + if (optr->ex_type != ET_VEC) { \ + if (optr->ex_type == ET_VI) { \ + post("expr~: Int. error %d", __LINE__); \ + abort(); \ + } \ + optr->ex_type = ET_VEC; \ + optr->ex_vec = (t_float *) \ + fts_malloc(sizeof (t_float)*e->exp_vsize); \ + } \ + scalar = left->ex_int; \ + rp = right->ex_vec; \ + op = optr->ex_vec; \ + j = e->exp_vsize; \ + while (j--) { \ + *op++ = (float)func(leftfuncast scalar, \ + rightfuncast *rp); \ + rp++; \ + } \ + break; \ + case ET_SYM: \ + default: \ + post_error((fts_object_t *) e, \ + "expr: FUNC_EVAL(%d): bad right type %ld\n", \ + __LINE__, right->ex_type);\ + } \ + break; \ +case ET_FLT: \ + switch(right->ex_type) { \ + case ET_INT: \ + if (optr->ex_type == ET_VEC) { \ + op = optr->ex_vec; \ + scalar = (float)func(leftfuncast left->ex_flt, \ + rightfuncast right->ex_int); \ + j = e->exp_vsize; \ + while (j--) \ + *op++ = scalar; \ + } else { \ + optr->ex_type = ET_INT; \ + optr->ex_int = (int)func(leftfuncast left->ex_flt, \ + rightfuncast right->ex_int); \ + } \ + break; \ + case ET_FLT: \ + if (optr->ex_type == ET_VEC) { \ + op = optr->ex_vec; \ + scalar = (float)func(leftfuncast left->ex_flt, \ + rightfuncast right->ex_flt); \ + j = e->exp_vsize; \ + while (j--) \ + *op++ = scalar; \ + } else { \ + optr->ex_type = ET_FLT; \ + optr->ex_flt = (float)func(leftfuncast left->ex_flt, \ + rightfuncast right->ex_flt); \ + } \ + break; \ + case ET_VEC: \ + case ET_VI: \ + if (optr->ex_type != ET_VEC) { \ + if (optr->ex_type == ET_VI) { \ + post("expr~: Int. error %d", __LINE__); \ + abort(); \ + } \ + optr->ex_type = ET_VEC; \ + optr->ex_vec = (t_float *) \ + fts_malloc(sizeof (t_float) * e->exp_vsize);\ + } \ + scalar = left->ex_flt; \ + rp = right->ex_vec; \ + op = optr->ex_vec; \ + j = e->exp_vsize; \ + while (j--) { \ + *op++ = (float)func(leftfuncast scalar, \ + rightfuncast *rp); \ + rp++; \ + } \ + break; \ + case ET_SYM: \ + default: \ + post_error((fts_object_t *) e, \ + "expr: FUNC_EVAL(%d): bad right type %ld\n", \ + __LINE__, right->ex_type);\ + } \ + break; \ +case ET_VEC: \ +case ET_VI: \ + if (optr->ex_type != ET_VEC) { \ + if (optr->ex_type == ET_VI) { \ + post("expr~: Int. error %d", __LINE__); \ + abort(); \ + } \ + optr->ex_type = ET_VEC; \ + optr->ex_vec = (t_float *) \ + fts_malloc(sizeof (t_float) * e->exp_vsize); \ + } \ + op = optr->ex_vec; \ + lp = left->ex_vec; \ + switch(right->ex_type) { \ + case ET_INT: \ + scalar = right->ex_int; \ + j = e->exp_vsize; \ + while (j--) { \ + *op++ = (float)func(leftfuncast *lp, \ + rightfuncast scalar); \ + lp++; \ + } \ + break; \ + case ET_FLT: \ + scalar = right->ex_flt; \ + j = e->exp_vsize; \ + while (j--) { \ + *op++ = (float)func(leftfuncast *lp, \ + rightfuncast scalar); \ + lp++; \ + } \ + break; \ + case ET_VEC: \ + case ET_VI: \ + rp = right->ex_vec; \ + j = e->exp_vsize; \ + while (j--) { \ + /* \ + * on a RISC processor one could copy \ + * 8 times in each round to get a considerable \ + * improvement \ + */ \ + *op++ = (float)func(leftfuncast *lp, \ + rightfuncast *rp); \ + rp++; lp++; \ + } \ + break; \ + case ET_SYM: \ + default: \ + post_error((fts_object_t *) e, \ + "expr: FUNC_EVAL(%d): bad right type %ld\n", \ + __LINE__, right->ex_type);\ + } \ + break; \ +case ET_SYM: \ +default: \ + post_error((fts_object_t *) e, \ + "expr: FUNC_EVAL(%d): bad left type %ld\n", \ + __LINE__, left->ex_type); \ +} + +/* + * evaluate a unary operator, TYPE is applied to float operands + */ +#define FUNC_EVAL_UNARY(left, func, leftcast, optr) \ +switch(left->ex_type) { \ +case ET_INT: \ + if (optr->ex_type == ET_VEC) { \ + ex_mkvector(optr->ex_vec, \ + (float)(func (leftcast left->ex_int)), e->exp_vsize);\ + break; \ + } \ + optr->ex_type = ET_INT; \ + optr->ex_int = (int) func(leftcast left->ex_int); \ + break; \ +case ET_FLT: \ + if (optr->ex_type == ET_VEC) { \ + ex_mkvector(optr->ex_vec, \ + (float)(func (leftcast left->ex_flt)), e->exp_vsize);\ + break; \ + } \ + optr->ex_type = ET_FLT; \ + optr->ex_flt = (float) func(leftcast left->ex_flt); \ + break; \ +case ET_VI: \ +case ET_VEC: \ + if (optr->ex_type != ET_VEC) { \ + optr->ex_type = ET_VEC; \ + optr->ex_vec = (t_float *) \ + fts_malloc(sizeof (t_float)*e->exp_vsize); \ + } \ + op = optr->ex_vec; \ + lp = left->ex_vec; \ + j = e->exp_vsize; \ + while (j--) \ + *op++ = (float)(func (leftcast *lp++)); \ + break; \ +default: \ + post_error((fts_object_t *) e, \ + "expr: FUNV_EVAL_UNARY(%d): bad left type %ld\n",\ + __LINE__, left->ex_type); \ +} + +#undef min +#undef max +#define min(x,y) (x > y ? y : x) +#define max(x,y) (x > y ? x : y) + +/* + * ex_min -- if any of the arfuments are or the output are vectors, a vector + * of floats is generated otherwise the type of the result is the + * type of the smaller value + */ +static void +ex_min(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left, *right; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + right = argv; + + /* minimum needs no cast, as it is not a real function */ + FUNC_EVAL(left, right, min, (double), (double), optr); +} + +/* + * ex_max -- if any of the arfuments are or the output are vectors, a vector + * of floats is generated otherwise the type of the result is the + * type of the larger value + */ +static void +ex_max(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left, *right; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + right = argv; + + /* minimum needs no cast, as it is not a real function */ + FUNC_EVAL(left, right, max, (double), (double), optr); +} + +/* SDY changed to new form up to here */ + +/* + * ex_toint -- convert to integer + */ +static void +ex_toint(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + +#define toint(x) ((int)(x)) + FUNC_EVAL_UNARY(left, toint, (int), optr); +} + +#ifdef NT +/* No rint in NT land ??? */ +double rint(double x); + +double +rint(double x) +{ + return (floor(x + 0.5)); +} +#endif + +/* + * ex_rint -- rint() round to the nearest int according to the common + * rounding mechanism + */ +static void +ex_rint(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + + FUNC_EVAL_UNARY(left, rint, (double), optr); + +#ifdef old + + if (argv->ex_type == ET_INT) + *optr = *argv; + else if (argv->ex_type == ET_FLT) { + optr->ex_type = ET_FLT; +#ifdef NT /* no rint() in NT??? */ + optr->ex_flt = floor(argv->ex_flt + 0.5); +#else + optr->ex_flt = rint(argv->ex_flt); +#endif + } else { +/* SDY what does this mean? this is wrong!!???? */ + optr->ex_type = ET_INT; + optr->ex_int = (int)argv->ex_ptr; + } +#endif +} + +/* + * ex_tofloat -- convert to float + */ +static void +ex_tofloat(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + +#define tofloat(x) ((float)(x)) + FUNC_EVAL_UNARY(left, toint, (int), optr); +} + + +/* + * ex_pow -- the power of + */ +static void +ex_pow(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left, *right; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + right = argv; + FUNC_EVAL(left, right, pow, (double), (double), optr); +} + +/* + * ex_sqrt -- square root + */ +static void +ex_sqrt(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, sqrt, (double), optr); +} + +/* + * ex_exp -- e to the power of + */ +static void +ex_exp(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, exp, (double), optr); +} + +/* + * ex_log -- 10 based logarithm + */ +static void +ex_log(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, log10, (double), optr); +} + +/* + * ex_ln -- natural log + */ +static void +ex_ln(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, log, (double), optr); +} + +static void +ex_sin(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, sin, (double), optr); +} + +static void +ex_cos(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, cos, (double), optr); +} + + +static void +ex_tan(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, tan, (double), optr); +} + +static void +ex_asin(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, asin, (double), optr); +} + +static void +ex_acos(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, acos, (double), optr); +} + + +static void +ex_atan(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, atan, (double), optr); +} + +/* + *ex_atan2 -- + */ +static void +ex_atan2(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left, *right; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + right = argv; + FUNC_EVAL(left, right, atan2, (double), (double), optr); +} + + +static void +ex_sinh(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, sinh, (double), optr); +} + +static void +ex_cosh(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, cosh, (double), optr); +} + + +static void +ex_tanh(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, tanh, (double), optr); +} + + +#ifndef NT +static void +ex_asinh(t_expr *e, long argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, asinh, (double), optr); +} + +static void +ex_acosh(t_expr *e, long argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, acosh, (double), optr); +} + +static void +ex_atanh(t_expr *e, long argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, atanh, (double), optr); +} +#endif + +static int +ex_dofact(int i) +{ + int ret = 0; + + if (i) + ret = 1; + else + return (0); + + do { + ret *= i; + } while (--i); + + return(ret); +} + +static void +ex_fact(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, ex_dofact, (int), optr); +} + +static int +ex_dorandom(int i1, int i2) +{ + return(i1 + (((i2 - i1) * (rand() & 0x7fffL)) >> 15)); +} +/* + * ex_random -- return a random number + */ +static void +ex_random(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left, *right; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + right = argv; + FUNC_EVAL(left, right, ex_dorandom, (int), (int), optr); +} + + +static void +ex_abs(t_expr *e, long int argc, struct ex_ex *argv, struct ex_ex *optr) +{ + struct ex_ex *left; + float *op; /* output pointer */ + float *lp, *rp; /* left and right vector pointers */ + float scalar; + int j; + + left = argv++; + + FUNC_EVAL_UNARY(left, fabs, (double), optr); +} + |