PhpSpreadsheet/unitTests/rawTestData/Calculation/MathTrig/SIGN.data

-1.5,	-1
-1,	-1
-0.5,	-1
0,	0
0.5,	1
1,	1
1.5,	1
2,	1
2.5,	1
"ABC",	"#VALUE!"
TRUE,	1
FALSE,	0
"-3.5",	-1