| 1 | LIB "tst.lib"; tst_init(); |
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| 2 | bigint(5)*2, bigint(2)^100-10; |
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| 3 | bigint(-5) div 2, bigint(-5) mod 2; |
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| 4 | |
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| 5 | proc check_divmod(bigint a, bigint b) |
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| 6 | { |
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| 7 | if ((a div b)*b+(a mod b)==a) |
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| 8 | { |
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| 9 | "sum okay"; |
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| 10 | } |
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| 11 | else |
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| 12 | { |
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| 13 | "div:",a div b; |
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| 14 | "mod:",a mod b; |
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| 15 | "sum:",(a div b)*b+(a mod b)," a:",a," b:",b; |
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| 16 | } |
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| 17 | if((a mod b)>=0) {"sign okay";} |
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| 18 | else { "a mod b:",a mod b; } |
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| 19 | } |
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| 20 | // small-small |
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| 21 | check_divmod(7,3); |
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| 22 | check_divmod(7,-3); |
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| 23 | check_divmod(-7,-3); |
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| 24 | check_divmod(-7,3); |
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| 25 | // small -large |
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| 26 | check_divmod(7,30000000000); |
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| 27 | check_divmod(7,-30000000000); |
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| 28 | check_divmod(-7,-30000000000); |
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| 29 | check_divmod(-7,30000000000); |
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| 30 | // large-small |
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| 31 | check_divmod(70000000000,3); |
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| 32 | check_divmod(70000000000,-3); |
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| 33 | check_divmod(-70000000000,-3); |
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| 34 | check_divmod(-70000000000,3); |
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| 35 | // large-large |
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| 36 | check_divmod(70000000000,30000000000); |
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| 37 | check_divmod(70000000000,-30000000000); |
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| 38 | check_divmod(-70000000000,-30000000000); |
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| 39 | check_divmod(-70000000000,30000000000); |
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| 40 | tst_status(1);$ |
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