factor/extra/half-floats/half-floats-tests.factor

50 lines
1.5 KiB
Factor

USING: accessors alien.c-types alien.syntax half-floats kernel
math tools.test specialized-arrays alien.data classes.struct ;
SPECIALIZED-ARRAY: half
IN: half-floats.tests
[ HEX: 0000 ] [ 0.0 half>bits ] unit-test
[ HEX: 8000 ] [ -0.0 half>bits ] unit-test
[ HEX: 3e00 ] [ 1.5 half>bits ] unit-test
[ HEX: be00 ] [ -1.5 half>bits ] unit-test
[ HEX: 7c00 ] [ 1/0. half>bits ] unit-test
[ HEX: fc00 ] [ -1/0. half>bits ] unit-test
[ HEX: 7eaa ] [ NAN: aaaaaaaaaaaaa half>bits ] unit-test
! too-big floats overflow to infinity
[ HEX: 7c00 ] [ 65536.0 half>bits ] unit-test
[ HEX: fc00 ] [ -65536.0 half>bits ] unit-test
[ HEX: 7c00 ] [ 131072.0 half>bits ] unit-test
[ HEX: fc00 ] [ -131072.0 half>bits ] unit-test
! too-small floats flush to zero
[ HEX: 0000 ] [ 1.0e-9 half>bits ] unit-test
[ HEX: 8000 ] [ -1.0e-9 half>bits ] unit-test
[ 0.0 ] [ HEX: 0000 bits>half ] unit-test
[ -0.0 ] [ HEX: 8000 bits>half ] unit-test
[ 1.5 ] [ HEX: 3e00 bits>half ] unit-test
[ -1.5 ] [ HEX: be00 bits>half ] unit-test
[ 1/0. ] [ HEX: 7c00 bits>half ] unit-test
[ -1/0. ] [ HEX: fc00 bits>half ] unit-test
[ 3.0 ] [ HEX: 4200 bits>half ] unit-test
[ t ] [ HEX: 7e00 bits>half fp-nan? ] unit-test
STRUCT: halves
{ tom half }
{ dick half }
{ harry half }
{ harry-jr half } ;
[ 8 ] [ halves heap-size ] unit-test
[ 3.0 ] [
halves <struct>
3.0 >>dick
dick>>
] unit-test
[ half-array{ 1.0 2.0 3.0 1/0. -1/0. } ]
[ { 1.0 2.0 3.0 1/0. -1/0. } >half-array ] unit-test