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

   format() around them (as suggested by serg)

mysql-test/r/func_math.result

@@ -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

@@ -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);
 
 #