1Evaluating '' 2'' -> nan 3 4av_expr_parse_and_eval failed 5Evaluating '1;2' 6'1;2' -> 2.000000 7 8Evaluating '-20' 9'-20' -> -20.000000 10 11Evaluating '-PI' 12'-PI' -> -3.141593 13 14Evaluating '+PI' 15'+PI' -> 3.141593 16 17Evaluating '1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)' 18'1+(5-2)^(3-1)+1/2+sin(PI)-max(-2.2,-3.1)' -> 12.700000 19 20Evaluating '80G/80Gi' 21'80G/80Gi' -> 0.931323 22 23Evaluating '1k' 24'1k' -> 1000.000000 25 26Evaluating '1Gi' 27'1Gi' -> 1073741824.000000 28 29Evaluating '1gi' 30'1gi' -> nan 31 32av_expr_parse_and_eval failed 33Evaluating '1GiFoo' 34'1GiFoo' -> nan 35 36av_expr_parse_and_eval failed 37Evaluating '1k+1k' 38'1k+1k' -> 2000.000000 39 40Evaluating '1Gi*3foo' 41'1Gi*3foo' -> nan 42 43av_expr_parse_and_eval failed 44Evaluating 'foo' 45'foo' -> nan 46 47av_expr_parse_and_eval failed 48Evaluating 'foo(' 49'foo(' -> nan 50 51av_expr_parse_and_eval failed 52Evaluating 'foo()' 53'foo()' -> nan 54 55av_expr_parse_and_eval failed 56Evaluating 'foo)' 57'foo)' -> nan 58 59av_expr_parse_and_eval failed 60Evaluating 'sin' 61'sin' -> nan 62 63av_expr_parse_and_eval failed 64Evaluating 'sin(' 65'sin(' -> nan 66 67av_expr_parse_and_eval failed 68Evaluating 'sin()' 69'sin()' -> nan 70 71av_expr_parse_and_eval failed 72Evaluating 'sin)' 73'sin)' -> nan 74 75av_expr_parse_and_eval failed 76Evaluating 'sin 10' 77'sin 10' -> nan 78 79av_expr_parse_and_eval failed 80Evaluating 'sin(1,2,3)' 81'sin(1,2,3)' -> nan 82 83av_expr_parse_and_eval failed 84Evaluating 'sin(1 )' 85'sin(1 )' -> 0.841471 86 87Evaluating '1' 88'1' -> 1.000000 89 90Evaluating '1foo' 91'1foo' -> nan 92 93av_expr_parse_and_eval failed 94Evaluating 'bar + PI + E + 100f*2 + foo' 95'bar + PI + E + 100f*2 + foo' -> nan 96 97av_expr_parse_and_eval failed 98Evaluating '13k + 12f - foo(1, 2)' 99'13k + 12f - foo(1, 2)' -> nan 100 101av_expr_parse_and_eval failed 102Evaluating '1gi' 103'1gi' -> nan 104 105av_expr_parse_and_eval failed 106Evaluating '1Gi' 107'1Gi' -> 1073741824.000000 108 109Evaluating 'st(0, 123)' 110'st(0, 123)' -> 123.000000 111 112Evaluating 'st(1, 123); ld(1)' 113'st(1, 123); ld(1)' -> 123.000000 114 115Evaluating 'lte(0, 1)' 116'lte(0, 1)' -> 1.000000 117 118Evaluating 'lte(1, 1)' 119'lte(1, 1)' -> 1.000000 120 121Evaluating 'lte(1, 0)' 122'lte(1, 0)' -> 0.000000 123 124Evaluating 'lt(0, 1)' 125'lt(0, 1)' -> 1.000000 126 127Evaluating 'lt(1, 1)' 128'lt(1, 1)' -> 0.000000 129 130Evaluating 'gt(1, 0)' 131'gt(1, 0)' -> 1.000000 132 133Evaluating 'gt(2, 7)' 134'gt(2, 7)' -> 0.000000 135 136Evaluating 'gte(122, 122)' 137'gte(122, 122)' -> 1.000000 138 139Evaluating 'st(0, 1); while(lte(ld(0), 100), st(1, ld(1)+ld(0));st(0, ld(0)+1)); ld(1)' 140'st(0, 1); while(lte(ld(0), 100), st(1, ld(1)+ld(0));st(0, ld(0)+1)); ld(1)' -> 5050.000000 141 142Evaluating '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)' 143'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)' -> 233.000000 144 145Evaluating 'while(0, 10)' 146'while(0, 10)' -> nan 147 148av_expr_parse_and_eval failed 149Evaluating 'st(0, 1); while(lte(ld(0),100), st(1, ld(1)+ld(0)); st(0, ld(0)+1))' 150'st(0, 1); while(lte(ld(0),100), st(1, ld(1)+ld(0)); st(0, ld(0)+1))' -> 101.000000 151 152Evaluating 'isnan(1)' 153'isnan(1)' -> 0.000000 154 155Evaluating 'isnan(NAN)' 156'isnan(NAN)' -> 1.000000 157 158Evaluating 'isnan(INF)' 159'isnan(INF)' -> 0.000000 160 161Evaluating 'isinf(1)' 162'isinf(1)' -> 0.000000 163 164Evaluating 'isinf(NAN)' 165'isinf(NAN)' -> 0.000000 166 167Evaluating 'isinf(INF)' 168'isinf(INF)' -> 1.000000 169 170Evaluating 'floor(NAN)' 171'floor(NAN)' -> nan 172 173av_expr_parse_and_eval failed 174Evaluating 'floor(123.123)' 175'floor(123.123)' -> 123.000000 176 177Evaluating 'floor(-123.123)' 178'floor(-123.123)' -> -124.000000 179 180Evaluating 'trunc(123.123)' 181'trunc(123.123)' -> 123.000000 182 183Evaluating 'trunc(-123.123)' 184'trunc(-123.123)' -> -123.000000 185 186Evaluating 'ceil(123.123)' 187'ceil(123.123)' -> 124.000000 188 189Evaluating 'ceil(-123.123)' 190'ceil(-123.123)' -> -123.000000 191 192Evaluating 'sqrt(1764)' 193'sqrt(1764)' -> 42.000000 194 195Evaluating 'isnan(sqrt(-1))' 196'isnan(sqrt(-1))' -> 1.000000 197 198Evaluating 'not(1)' 199'not(1)' -> 0.000000 200 201Evaluating 'not(NAN)' 202'not(NAN)' -> 0.000000 203 204Evaluating 'not(0)' 205'not(0)' -> 1.000000 206 207Evaluating '6.0206dB' 208'6.0206dB' -> 2.000000 209 210Evaluating '-3.0103dB' 211'-3.0103dB' -> 0.707107 212 213Evaluating 'pow(0,1.23)' 214'pow(0,1.23)' -> 0.000000 215 216Evaluating 'pow(PI,1.23)' 217'pow(PI,1.23)' -> 4.087844 218 219Evaluating 'PI^1.23' 220'PI^1.23' -> 4.087844 221 222Evaluating 'pow(-1,1.23)' 223'pow(-1,1.23)' -> nan 224 225av_expr_parse_and_eval failed 226Evaluating 'if(1, 2)' 227'if(1, 2)' -> 2.000000 228 229Evaluating 'if(1, 1, 2)' 230'if(1, 1, 2)' -> 1.000000 231 232Evaluating 'if(0, 1, 2)' 233'if(0, 1, 2)' -> 2.000000 234 235Evaluating 'ifnot(0, 23)' 236'ifnot(0, 23)' -> 23.000000 237 238Evaluating 'ifnot(1, NaN) + if(0, 1)' 239'ifnot(1, NaN) + if(0, 1)' -> 0.000000 240 241Evaluating 'ifnot(1, 1, 2)' 242'ifnot(1, 1, 2)' -> 2.000000 243 244Evaluating 'ifnot(0, 1, 2)' 245'ifnot(0, 1, 2)' -> 1.000000 246 247Evaluating 'taylor(1, 1)' 248'taylor(1, 1)' -> 2.718282 249 250Evaluating 'taylor(eq(mod(ld(1),4),1)-eq(mod(ld(1),4),3), PI/2, 1)' 251'taylor(eq(mod(ld(1),4),1)-eq(mod(ld(1),4),3), PI/2, 1)' -> 1.000000 252 253Evaluating 'root(sin(ld(0))-1, 2)' 254'root(sin(ld(0))-1, 2)' -> 1.570796 255 256Evaluating 'root(sin(ld(0))+6+sin(ld(0)/12)-log(ld(0)), 100)' 257'root(sin(ld(0))+6+sin(ld(0)/12)-log(ld(0)), 100)' -> 60.965601 258 259Evaluating '7000000B*random(0)' 260'7000000B*random(0)' -> 0.003078 261 262Evaluating 'squish(2)' 263'squish(2)' -> 0.000335 264 265Evaluating 'gauss(0.1)' 266'gauss(0.1)' -> 0.396953 267 268Evaluating 'hypot(4,3)' 269'hypot(4,3)' -> 5.000000 270 271Evaluating 'gcd(30,55)*print(min(9,1))' 272'gcd(30,55)*print(min(9,1))' -> 5.000000 273 274Evaluating 'bitor(42, 12)' 275'bitor(42, 12)' -> 46.000000 276 277Evaluating 'bitand(42, 12)' 278'bitand(42, 12)' -> 8.000000 279 280Evaluating 'bitand(NAN, 1)' 281'bitand(NAN, 1)' -> nan 282 283av_expr_parse_and_eval failed 284Evaluating 'between(10, -3, 10)' 285'between(10, -3, 10)' -> 1.000000 286 287Evaluating 'between(-4, -2, -1)' 288'between(-4, -2, -1)' -> 0.000000 289 290Evaluating 'between(1,2)' 291'between(1,2)' -> nan 292 293av_expr_parse_and_eval failed 294Evaluating 'clip(0, 2, 1)' 295'clip(0, 2, 1)' -> nan 296 297av_expr_parse_and_eval failed 298Evaluating 'clip(0/0, 1, 2)' 299'clip(0/0, 1, 2)' -> nan 300 301av_expr_parse_and_eval failed 302Evaluating 'clip(0, 0/0, 1)' 303'clip(0, 0/0, 1)' -> nan 304 305av_expr_parse_and_eval failed 30612.700000 == 12.7 3070.931323 == 0.931322575 308