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| author | H. Peter Anvin <hpa@zytor.com> | 2007-10-04 23:09:19 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2007-10-04 23:09:19 -0700 |
| commit | 6b8abf54d3b667be39166faa69a89d62747f8280 (patch) | |
| tree | 27246c7ccd1137e63fa68667c0965b85abcb1d18 /test | |
| parent | cdb227fa71be498e5c86ee4fd2ce35193ef28bf9 (diff) | |
| download | nasm-6b8abf54d3b667be39166faa69a89d62747f8280.tar.gz nasm-6b8abf54d3b667be39166faa69a89d62747f8280.tar.bz2 nasm-6b8abf54d3b667be39166faa69a89d62747f8280.zip | |
floatx.asm: add specific tests for exponent boundary conditions
Add tests for the exponent boundaries (underflow, denorm, normal).
Diffstat (limited to 'test')
| -rw-r--r-- | test/floatx.asm | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/floatx.asm b/test/floatx.asm index f513ec8..ee1f7a9 100644 --- a/test/floatx.asm +++ b/test/floatx.asm @@ -23,6 +23,11 @@ dw 0x0.0000123456789 dw 0x0.0000123456789p+10 dw 0x0.0000123456789p-10 + dw 0x1.0p-25 ; Underflow + dw 0x1.0p-24 ; Smallest denorm + dw 0x1.0p-15 ; Denorm + dw 0x1.0p-14 ; Smallest non-denorm + dw 0x1.0p+15 ; Biggest possible exponent ; 32-bit dd 1.0 @@ -48,6 +53,11 @@ dd 0x0000123456789.0 dd 0x123456789.0p+0 dd 0x123456789.0p+64 + dd 0x1.0p-150 ; Underflow + dd 0x1.0p-149 ; Smallest denorm + dd 0x1.0p-127 ; Denorm + dd 0x1.0p-126 ; Smallest non-denorm + dd 0x1.0p+127 ; Biggest possible exponent ; 64-bit dq 1.0 @@ -73,6 +83,11 @@ dq 0x0000123456789.0 dq 0x123456789.0p+0 dq 0x123456789.0p+300 + dq 0x1.0p-1075 ; Underflow + dq 0x1.0p-1074 ; Smallest denorm + dq 0x1.0p-1023 ; Denorm + dq 0x1.0p-1022 ; Smallest non-denorm + dq 0x1.0p+1023 ; Biggest possible exponent ; 80-bit dt 1.0 @@ -98,6 +113,12 @@ dt 0x0000123456789.0 dt 0x123456789.0p+0 dt 0x123456789.0p+1024 + dt 0x1.0p-16446 ; Underflow + dt 0x1.0p-16445 ; Smallest denorm + dt 0x1.0p-16383 ; Denorm + dt 0x1.0p-16382 ; Smallest non-denorm + dt 0x1.0p+16383 ; Biggest possible exponent + ; 128-bit do 1.0 @@ -123,3 +144,8 @@ do 0x0000123456789.0 do 0x123456789.0p+0 do 0x123456789.0p+1024 + do 0x1.0p-16495 ; Underflow + do 0x1.0p-16494 ; Smallest denorm + do 0x1.0p-16383 ; Denorm + do 0x1.0p-16382 ; Smallest non-denorm + do 0x1.0p+16383 ; Biggest possible exponent |