diff options
Diffstat (limited to 'vendor/github.com/lunixbochs/struc/custom_float16_test.go')
-rw-r--r-- | vendor/github.com/lunixbochs/struc/custom_float16_test.go | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/vendor/github.com/lunixbochs/struc/custom_float16_test.go b/vendor/github.com/lunixbochs/struc/custom_float16_test.go deleted file mode 100644 index 11f73cb..0000000 --- a/vendor/github.com/lunixbochs/struc/custom_float16_test.go +++ /dev/null @@ -1,56 +0,0 @@ -package struc - -import ( - "bytes" - "encoding/binary" - "fmt" - "math" - "strconv" - "strings" - "testing" -) - -func TestFloat16(t *testing.T) { - // test cases from https://en.wikipedia.org/wiki/Half-precision_floating-point_format#Half_precision_examples - tests := []struct { - B string - F float64 - }{ - //s expnt significand - {"0 01111 0000000000", 1}, - {"0 01111 0000000001", 1.0009765625}, - {"1 10000 0000000000", -2}, - {"0 11110 1111111111", 65504}, - // {"0 00001 0000000000", 0.0000610352}, - // {"0 00000 1111111111", 0.0000609756}, - // {"0 00000 0000000001", 0.0000000596046}, - {"0 00000 0000000000", 0}, - // {"1 00000 0000000000", -0}, - {"0 11111 0000000000", math.Inf(1)}, - {"1 11111 0000000000", math.Inf(-1)}, - {"0 01101 0101010101", 0.333251953125}, - } - for _, test := range tests { - var buf bytes.Buffer - f := Float16(test.F) - if err := Pack(&buf, &f); err != nil { - t.Error("pack failed:", err) - continue - } - bitval, _ := strconv.ParseUint(strings.Replace(test.B, " ", "", -1), 2, 16) - tmp := binary.BigEndian.Uint16(buf.Bytes()) - if tmp != uint16(bitval) { - t.Errorf("incorrect pack: %s != %016b (%f)", test.B, tmp, test.F) - continue - } - var f2 Float16 - if err := Unpack(&buf, &f2); err != nil { - t.Error("unpack failed:", err) - continue - } - // let sprintf deal with (im)precision for me here - if fmt.Sprintf("%f", f) != fmt.Sprintf("%f", f2) { - t.Errorf("incorrect unpack: %016b %f != %f", bitval, f, f2) - } - } -} |