2004-03-03 21:24:06 +01:00
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#include "stdafx.h"
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#include "defs.h"
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2005-06-30 18:03:21 +02:00
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void yfloor(void);
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static void yyfloor(void);
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2004-03-03 21:24:06 +01:00
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void
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eval_floor(void)
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{
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push(cadr(p1));
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eval();
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2005-06-30 18:03:21 +02:00
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yfloor();
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2004-03-03 21:24:06 +01:00
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}
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void
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2005-06-30 18:03:21 +02:00
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yfloor(void)
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2004-03-03 21:24:06 +01:00
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{
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save();
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2005-06-30 18:03:21 +02:00
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yyfloor();
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2004-03-03 21:24:06 +01:00
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restore();
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}
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static void
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2005-06-30 18:03:21 +02:00
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yyfloor(void)
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2004-03-03 21:24:06 +01:00
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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(FLOOR);
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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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2005-08-06 22:57:37 +02:00
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if (isdouble(p1)) {
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2004-03-03 21:24:06 +01:00
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d = floor(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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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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"floor(a)",
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"floor(a)",
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"floor(a+b)",
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"floor(a+b)",
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"floor(5/2)",
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"2",
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"floor(4/2)",
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"2",
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"floor(3/2)",
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"1",
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"floor(2/2)",
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"1",
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"floor(1/2)",
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"0",
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"floor(0/2)",
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"0",
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"floor(-1/2)",
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"-1",
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"floor(-2/2)",
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"-1",
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"floor(-3/2)",
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"-2",
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"floor(-4/2)",
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"-2",
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"floor(-5/2)",
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"-3",
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"floor(5/2.0)",
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"2",
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"floor(4/2.0)",
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"2",
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"floor(3/2.0)",
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"1",
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"floor(2/2.0)",
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"1",
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"floor(1/2.0)",
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"0",
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"floor(0.0)",
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"0",
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"floor(-1/2.0)",
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"-1",
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"floor(-2/2.0)",
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"-1",
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"floor(-3/2.0)",
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"-2",
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"floor(-4/2.0)",
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"-2",
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"floor(-5/2.0)",
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"-3",
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};
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void
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test_floor(void)
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{
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test(__FILE__, s, sizeof s / sizeof (char *));
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}
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