* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
/**
*/
#include "avcodec.h"
-#include "mpegvideo.h"
#include "eval.h"
#include <stdio.h>
double (**func2)(void *, double a, double b); // NULL terminated
char **func2_name; // NULL terminated
void *opaque;
- char **error;
+ const char **error;
#define VARS 10
double var[VARS];
} Parser;
}
}
-AVEvalExpr * ff_parse(char *s, const char **const_name,
+AVEvalExpr * ff_parse(const char *s, const char **const_name,
double (**func1)(void *, double), const char **func1_name,
double (**func2)(void *, double, double), char **func2_name,
- char **error){
+ const char **error){
Parser p;
AVEvalExpr * e;
char w[strlen(s) + 1], * wp = w;
return eval_expr(&p, e);
}
-double ff_eval2(char *s, double *const_value, const char **const_name,
+double ff_eval2(const char *s, double *const_value, const char **const_name,
double (**func1)(void *, double), const char **func1_name,
double (**func2)(void *, double, double), char **func2_name,
- void *opaque, char **error){
+ void *opaque, const char **error){
AVEvalExpr * e = ff_parse(s, const_name, func1, func1_name, func2, func2_name, error);
double d;
if (!e) return NAN;
double (**func1)(void *, double), const char **func1_name,
double (**func2)(void *, double, double), char **func2_name,
void *opaque){
- char *error=NULL;
+ const char *error=NULL;
double ret;
ret = ff_eval2(s, const_value, const_name, func1, func1_name, func2, func2_name, opaque, &error);
if (error)
"E",
0
};
-main(){
+int main(void){
int i;
printf("%f == 12.7\n", ff_eval("1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)", const_values, const_names, NULL, NULL, NULL, NULL, NULL));
printf("%f == 0.931322575\n", ff_eval("80G/80Gi", const_values, const_names, NULL, NULL, NULL, NULL, NULL));
ff_eval("1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)", const_values, const_names, NULL, NULL, NULL, NULL, NULL);
STOP_TIMER("ff_eval")
}
+ return 0;
}
#endif