diff options
Diffstat (limited to 'libavutil/eval.c')
-rw-r--r-- | libavutil/eval.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/libavutil/eval.c b/libavutil/eval.c index 31e9ebbc9c..b5d71c6000 100644 --- a/libavutil/eval.c +++ b/libavutil/eval.c @@ -565,127 +565,3 @@ int av_expr_parse_and_eval(double *d, const char *s, av_expr_free(e); return isnan(*d) ? AVERROR(EINVAL) : 0; } - -#ifdef TEST -#include <string.h> - -static const double const_values[] = { - M_PI, - M_E, - 0 -}; - -static const char *const const_names[] = { - "PI", - "E", - 0 -}; - -int main(int argc, char **argv) -{ - int i; - double d; - const char *const *expr; - static const char *const exprs[] = { - "", - "1;2", - "-20", - "-PI", - "+PI", - "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)", - "80G/80Gi", - "1k", - "1Gi", - "1gi", - "1GiFoo", - "1k+1k", - "1Gi*3foo", - "foo", - "foo(", - "foo()", - "foo)", - "sin", - "sin(", - "sin()", - "sin)", - "sin 10", - "sin(1,2,3)", - "sin(1 )", - "1", - "1foo", - "bar + PI + E + 100f*2 + foo", - "13k + 12f - foo(1, 2)", - "1gi", - "1Gi", - "st(0, 123)", - "st(1, 123); ld(1)", - "lte(0, 1)", - "lte(1, 1)", - "lte(1, 0)", - "lt(0, 1)", - "lt(1, 1)", - "gt(1, 0)", - "gt(2, 7)", - "gte(122, 122)", - /* compute 1+2+...+N */ - "st(0, 1); while(lte(ld(0), 100), st(1, ld(1)+ld(0));st(0, ld(0)+1)); ld(1)", - /* compute Fib(N) */ - "st(1, 1); st(2, 2); st(0, 1); while(lte(ld(0),10), st(3, ld(1)+ld(2)); st(1, ld(2)); st(2, ld(3)); st(0, ld(0)+1)); ld(3)", - "while(0, 10)", - "st(0, 1); while(lte(ld(0),100), st(1, ld(1)+ld(0)); st(0, ld(0)+1))", - "isnan(1)", - "isnan(NAN)", - "isnan(INF)", - "isinf(1)", - "isinf(NAN)", - "isinf(INF)", - "floor(NAN)", - "floor(123.123)", - "floor(-123.123)", - "trunc(123.123)", - "trunc(-123.123)", - "ceil(123.123)", - "ceil(-123.123)", - "sqrt(1764)", - "isnan(sqrt(-1))", - "not(1)", - "not(NAN)", - "not(0)", - "6.0206dB", - "-3.0103dB", - NULL - }; - - for (expr = exprs; *expr; expr++) { - printf("Evaluating '%s'\n", *expr); - av_expr_parse_and_eval(&d, *expr, - const_names, const_values, - NULL, NULL, NULL, NULL, NULL, 0, NULL); - if (isnan(d)) - printf("'%s' -> nan\n\n", *expr); - else - printf("'%s' -> %f\n\n", *expr, d); - } - - av_expr_parse_and_eval(&d, "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)", - const_names, const_values, - NULL, NULL, NULL, NULL, NULL, 0, NULL); - printf("%f == 12.7\n", d); - av_expr_parse_and_eval(&d, "80G/80Gi", - const_names, const_values, - NULL, NULL, NULL, NULL, NULL, 0, NULL); - printf("%f == 0.931322575\n", d); - - if (argc > 1 && !strcmp(argv[1], "-t")) { - for (i = 0; i < 1050; i++) { - START_TIMER; - av_expr_parse_and_eval(&d, "1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)", - const_names, const_values, - NULL, NULL, NULL, NULL, NULL, 0, NULL); - STOP_TIMER("av_expr_parse_and_eval"); - } - } - - return 0; -} -#endif |