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[tinyexpr] Remove #ifdefs

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We don't use them, so we don't need them.
This commit is contained in:
Fabian Homborg 2018-02-11 22:23:28 +01:00
parent ce28891c76
commit 2ab1466c8f
1 changed files with 0 additions and 67 deletions
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67
src/tinyexpr.c
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@ -22,18 +22,6 @@
* 3. This notice may not be removed or altered from any source distribution.
*/
/* COMPILE TIME OPTIONS */
/* Exponentiation associativity:
For a^b^c = (a^b)^c and -a^b = (-a)^b do nothing.
For a^b^c = a^(b^c) and -a^b = -(a^b) uncomment the next line.*/
/* #define TE_POW_FROM_RIGHT */
/* Logarithms
For log = base 10 log do nothing
For log = natural log uncomment the next line. */
/* #define TE_NAT_LOG */
#include "tinyexpr.h"
#include <stdlib.h>
#include <math.h>
@ -41,15 +29,6 @@ For log = natural log uncomment the next line. */
#include <stdio.h>
#include <limits.h>
#ifndef NAN
#define NAN (0.0/0.0)
#endif
#ifndef INFINITY
#define INFINITY (1.0/0.0)
#endif
typedef double (*te_fun2)(double, double);
enum {
@ -164,11 +143,7 @@ static const te_variable functions[] = {
{"fac", fac, TE_FUNCTION1 | TE_FLAG_PURE, 0},
{"floor", floor, TE_FUNCTION1 | TE_FLAG_PURE, 0},
{"ln", log, TE_FUNCTION1 | TE_FLAG_PURE, 0},
#ifdef TE_NAT_LOG
{"log", log, TE_FUNCTION1 | TE_FLAG_PURE, 0},
#else
{"log", log10, TE_FUNCTION1 | TE_FLAG_PURE, 0},
#endif
{"log10", log10, TE_FUNCTION1 | TE_FLAG_PURE, 0},
{"ncr", ncr, TE_FUNCTION2 | TE_FLAG_PURE, 0},
{"npr", npr, TE_FUNCTION2 | TE_FLAG_PURE, 0},
@ -412,46 +387,6 @@ static te_expr *power(state *s) {
return ret;
}
#ifdef TE_POW_FROM_RIGHT
static te_expr *factor(state *s) {
/* <factor> = <power> {"^" <power>} */
te_expr *ret = power(s);
int neg = 0;
te_expr *insertion = 0;
if (ret->type == (TE_FUNCTION1 | TE_FLAG_PURE) && ret->function == negate) {
te_expr *se = ret->parameters[0];
free(ret);
ret = se;
neg = 1;
}
while (s->type == TOK_INFIX && (s->function == pow)) {
te_fun2 t = s->function;
next_token(s);
if (insertion) {
/* Make exponentiation go right-to-left. */
te_expr *insert = NEW_EXPR(TE_FUNCTION2 | TE_FLAG_PURE, insertion->parameters[1], power(s));
insert->function = t;
insertion->parameters[1] = insert;
insertion = insert;
} else {
ret = NEW_EXPR(TE_FUNCTION2 | TE_FLAG_PURE, ret, power(s));
ret->function = t;
insertion = ret;
}
}
if (neg) {
ret = NEW_EXPR(TE_FUNCTION1 | TE_FLAG_PURE, ret);
ret->function = negate;
}
return ret;
}
#else
static te_expr *factor(state *s) {
/* <factor> = <power> {"^" <power>} */
te_expr *ret = power(s);
@ -465,8 +400,6 @@ static te_expr *factor(state *s) {
return ret;
}
#endif
static te_expr *term(state *s) {