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https://github.com/irmen/prog8.git
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132 lines
2.6 KiB
Lua
132 lines
2.6 KiB
Lua
%import floats
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%import textio
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%zeropage basicsafe
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main {
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sub start() {
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byte b1
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byte b2
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ubyte ub1
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ubyte ub2
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word w1
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word w2
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uword uw1
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uword uw2
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float f1
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float f2
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b1 = 10
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b2 = 10
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if sgn(b2-b1) != 0
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txt.print("sgn1 error1\n")
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b1 = -100
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b2 = -100
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if sgn(b2-b1) != 0
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txt.print("sgn1 error2\n")
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ub1 = 200
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ub2 = 200
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if sgn(ub2-ub1) != 0
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txt.print("sgn1 error3\n")
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w1 = 100
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w2 = 100
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if sgn(w2-w1) != 0
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txt.print("sgn1 error4\n")
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w1 = -2000
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w2 = -2000
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if sgn(w2-w1) != 0
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txt.print("sgn1 error5\n")
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uw1 = 999
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uw2 = 999
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if sgn(uw2-uw1) != 0
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txt.print("sgn1 error6\n")
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f1 = 3.45
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f2 = 3.45
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if sgn(f2-f1) != 0
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txt.print("sgn1 error7\n")
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; -1
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b1 = 11
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b2 = 10
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if sgn(b2-b1) != -1
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txt.print("sgn2 error1\n")
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b1 = -10
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b2 = -100
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if sgn(b2-b1) != -1
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txt.print("sgn2 error2\n")
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ub1 = 202
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ub2 = 200
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if sgn(ub2 as byte - ub1 as byte) != -1
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txt.print("sgn2 error3\n")
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w1 = 101
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w2 = 100
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if sgn(w2-w1) != -1
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txt.print("sgn2 error4\n")
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w1 = -200
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w2 = -2000
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if sgn(w2-w1) != -1
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txt.print("sgn2 error5\n")
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uw1 = 2222
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uw2 = 999
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if sgn((uw2 as word) - (uw1 as word)) != -1
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txt.print("sgn2 error6a\n")
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if sgn(uw2 - uw1) != 1 ; always 0 or 1 if unsigned
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txt.print("sgn2 error6b\n")
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f1 = 3.45
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f2 = 1.11
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if sgn(f2-f1) != -1
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txt.print("sgn2 error7\n")
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; +1
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b1 = 11
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b2 = 20
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if sgn(b2-b1) != 1
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txt.print("sgn3 error1\n")
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b1 = -10
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b2 = -1
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if sgn(b2-b1) != 1
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txt.print("sgn3 error2\n")
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ub1 = 202
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ub2 = 205
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if sgn(ub2-ub1) != 1
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txt.print("sgn3 error3\n")
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w1 = 101
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w2 = 200
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if sgn(w2-w1) != 1
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txt.print("sgn3 error4\n")
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w1 = -200
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w2 = -20
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if sgn(w2-w1) != 1
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txt.print("sgn3 error5\n")
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uw1 = 2222
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uw2 = 9999
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if sgn(uw2-uw1) != 1
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txt.print("sgn3 error6\n")
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f1 = 3.45
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f2 = 5.11
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if sgn(f2-f1) != 1
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txt.print("sgn3 error7\n")
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txt.print("should see no sgn errors\n")
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}
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}
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