Commit 5ee446d9 authored by unknown's avatar unknown
Browse files

- fixed non-predictable floating point results in func_math by adding 

   format() around them (as suggested by serg)
parent 2dd7ab29

mysql-test/r/func_math.result

+3 −3
Original line number Diff line number Diff line
@@ -35,9 +35,9 @@ set @@rand_seed1=10000000,@@rand_seed2=1000000; 
select rand(999999),rand();

rand(999999)	rand()

0.014231365187309	0.028870999839968

select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);

pi()	sin(pi()/2)	cos(pi()/2)	abs(tan(pi()))	cot(1)	asin(1)	acos(0)	atan(1)

3.141593	1	6.1230317691119e-17	1.2246063538224e-16	0.64209261593433	1.5707963267949	1.5707963267949	0.78539816339745

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);

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)

3.141593	1.000000	0.000000	0.000000	0.642093	1.570796	1.570796	0.785398

select degrees(pi()),radians(360);

degrees(pi())	radians(360)

180	6.2831853071796

mysql-test/t/func_math.test

+1 −1
Original line number Diff line number Diff line
@@ -15,7 +15,7 @@ select log10(100),log10(18),log10(-4),log10(0),log10(NULL); 
select pow(10,log10(10)),power(2,4);

set @@rand_seed1=10000000,@@rand_seed2=1000000;

select rand(999999),rand();

select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);

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);



#