141 lines
1.3 KiB
C++
141 lines
1.3 KiB
C++
#include "stdafx.h"
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#include "defs.h"
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void ceiling(void);
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static void yceiling(void);
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void
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eval_ceiling(void)
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{
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push(cadr(p1));
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eval();
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ceiling();
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}
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void
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ceiling(void)
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{
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save();
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yceiling();
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restore();
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}
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static void
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yceiling(void)
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{
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double d;
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p1 = pop();
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if (!isnum(p1)) {
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push_symbol(CEILING);
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push(p1);
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list(2);
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return;
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}
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if (isdouble(p1)) {
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d = ceil(p1->u.d);
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push_double(d);
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return;
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}
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if (isinteger(p1)) {
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push(p1);
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return;
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}
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p3 = alloc();
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p3->k = NUM;
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p3->u.q.a = mdiv(p1->u.q.a, p1->u.q.b);
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p3->u.q.b = mint(1);
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push(p3);
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if (isnegativenumber(p1))
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;
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else {
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push_integer(1);
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add();
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}
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}
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static char *s[] = {
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"ceiling(a)",
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"ceiling(a)",
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"ceiling(a+b)",
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"ceiling(a+b)",
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"ceiling(5/2)",
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"3",
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"ceiling(4/2)",
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"2",
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"ceiling(3/2)",
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"2",
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"ceiling(2/2)",
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"1",
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"ceiling(1/2)",
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"1",
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"ceiling(0/2)",
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"0",
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"ceiling(-1/2)",
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"0",
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"ceiling(-2/2)",
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"-1",
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"ceiling(-3/2)",
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"-1",
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"ceiling(-4/2)",
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"-2",
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"ceiling(-5/2)",
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"-2",
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"ceiling(5/2.0)",
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"3",
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"ceiling(4/2.0)",
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"2",
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"ceiling(3/2.0)",
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"2",
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"ceiling(2/2.0)",
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"1",
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"ceiling(1/2.0)",
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"1",
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"ceiling(0.0)",
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"0",
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"ceiling(-1/2.0)",
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"0",
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"ceiling(-2/2.0)",
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"-1",
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"ceiling(-3/2.0)",
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"-1",
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"ceiling(-4/2.0)",
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"-2",
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"ceiling(-5/2.0)",
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"-2",
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};
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void
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test_ceiling(void)
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{
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test(__FILE__, s, sizeof s / sizeof (char *));
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}
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