mariadb/mysql-test/t/func_math.test

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# Test of math functions
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select floor(5.5),floor(-5.5);
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);
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);
select log(exp(10)),exp(log(sqrt(10))*2);
select pow(10,log10(10)),power(2,4);
select rand(999999),rand();
select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
select degrees(pi()),radians(360);

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# Bug #2338 Trignometric arithmatic problems 
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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);

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# Bug #3051 FLOOR returns invalid 
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select floor(log(4)/log(2));
select floor(log(8)/log(2));
select floor(log(16)/log(2));