# # Test of math functions # --disable_warnings drop table if exists t1; --enable_warnings select floor(5.5),floor(-5.5); explain extended select floor(5.5),floor(-5.5); select ceiling(5.5),ceiling(-5.5); explain extended select ceiling(5.5),ceiling(-5.5); select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1); explain extended select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1); select round(5.5),round(-5.5); explain extended select round(5.5),round(-5.5); select round(5.64,1),round(5.64,2),round(5.64,-1),round(5.64,-2); select abs(-10), sign(-5), sign(5), sign(0); explain extended select abs(-10), sign(-5), sign(5), sign(0); select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2); explain extended select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2); select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL); explain extended select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL); select log2(8),log2(15),log2(-2),log2(0),log2(NULL); explain extended select log2(8),log2(15),log2(-2),log2(0),log2(NULL); select log10(100),log10(18),log10(-4),log10(0),log10(NULL); explain extended select log10(100),log10(18),log10(-4),log10(0),log10(NULL); select pow(10,log10(10)),power(2,4); explain extended select pow(10,log10(10)),power(2,4); set @@rand_seed1=10000000,@@rand_seed2=1000000; select rand(999999),rand(); explain extended select rand(999999),rand(); select pi(),format(sin(pi()/2),6),format(cos(pi()/2),6),format(abs(tan(pi())),6),format(cot(1),6),format(asin(1),6),format(acos(0),6),format(atan(1),6); explain extended select pi(),format(sin(pi()/2),6),format(cos(pi()/2),6),format(abs(tan(pi())),6),format(cot(1),6),format(asin(1),6),format(acos(0),6),format(atan(1),6); select degrees(pi()),radians(360); # # Bug #2338 Trignometric arithmatic problems # SELECT ACOS(1.0); SELECT ASIN(1.0); SELECT ACOS(0.2*5.0); SELECT ACOS(0.5*2.0); SELECT ASIN(0.8+0.2); SELECT ASIN(1.2-0.2); # # Bug #3051 FLOOR returns invalid # # This can't be tested as it's not portable #select floor(log(4)/log(2)); #select floor(log(8)/log(2)); #select floor(log(16)/log(2)); # # Bug #9060 (format returns incorrect result) # select format(4.55, 1), format(4.551, 1); explain extended select degrees(pi()),radians(360); # # Bug #7281: problem with rand() # --error 1054 select rand(rand); # End of 4.1 tests # # Bug #8459 (FORMAT returns incorrect result) # create table t1 (col1 int, col2 decimal(60,30)); insert into t1 values(1,1234567890.12345); select format(col2,7) from t1; select format(col2,8) from t1; insert into t1 values(7,1234567890123456.12345); select format(col2,6) from t1 where col1=7; drop table t1; # # Bug #10083 (round doesn't increase decimals) # select round(150, 2); # # Bug @10632 (Ceiling function returns wrong answer) # select ceil(0.09); select ceil(0.000000000000000009); # # Bug #9837: problem with round() # create table t1 select round(1, 6); show create table t1; select * from t1; drop table t1; # # Bug #11402: abs() forces rest of calculation to unsigned # select abs(-2) * -2; # End of 4.1 tests