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9ab3446d1a
- Fixed-point formulas are implemented using IEEE-754 floating-point internally, which could give infinity or NaN values whose conversion to fixed-point integer was platform-dependent. - Formatting fixed-point $8000_0000 (INT32_MIN, -2147483648) was not putting the negative sign in front.
52 lines
1.1 KiB
NASM
52 lines
1.1 KiB
NASM
def X equ 0
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MACRO test
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; Test RGBASM
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def v equs "X +"
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static_assert \#
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purge v
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; Test RGBLINK
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def v equs "Y +"
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assert \#
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purge v
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ENDM
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test (v 2)*(v 10)**(v 2)*(v 2) == (v 400)
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test -(v 3)**(v 4) == (v -81)
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test (v 1) << (v 30) == (v $4000_0000)
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test (v 2)**(v 30) == (v $4000_0000)
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test (v 37)/(v 2) == (v 18)
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assert DIV(5.0, 2.0) == 2.5
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assert DIV(-5.0, 2.0) == -2.5
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assert DIV(5.0, 0.0) == $7fff_ffff ; +inf => INT32_MAX
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assert DIV(-5.0, 0.0) == $8000_0000 ; -inf => INT32_MIN
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assert DIV(0.0, 0.0) == $0000_0000 ; nan => 0
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assert MUL(10.0, 0.5) == 5.0
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assert MUL(10.0, 0.0) == 0.0
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assert FMOD(5.0, 2.0) == 1.0
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assert FMOD(-5.0, 2.0) == -1.0
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assert FMOD(5.0, 0.0) == 0 ; nan
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assert FMOD(-5.0, 0.0) == 0 ; nan
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assert FMOD(0.0, 0.0) == 0 ; nan
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assert POW(10.0, 2.0) == 100.0
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assert POW(100.0, 0.5) == 10.0
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assert LOG(100.0, 10.0) == 2.0
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assert LOG(256.0, 2.0) == 8.0
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assert ROUND(1.5) == 2.0
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assert ROUND(-1.5) == -2.0
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assert CEIL(1.5) == 2.0
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assert CEIL(-1.5) == -1.0
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assert FLOOR(1.5) == 1.0
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assert FLOOR(-1.5) == -2.0
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SECTION "Y", ROM0
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Y::
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