100 lines
1.9 KiB
C
100 lines
1.9 KiB
C
#include <stdio.h>
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#include <assert.h>
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bool feq(float a, float b)
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{
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return a == b;
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}
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bool flt(float a, float b)
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{
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return a < b;
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}
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bool fle(float a, float b)
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{
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return a <= b;
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}
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bool fgt(float a, float b)
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{
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return a > b;
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}
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bool fge(float a, float b)
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{
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return a >= b;
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}
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volatile float f;
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inline void cmpflt(float a, float b, bool eq, bool lt, bool gt)
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{
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bool le = eq || lt;
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bool ge = eq || gt;
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assert(feq(a, b) == eq);
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assert(flt(a, b) == lt);
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assert(fgt(a, b) == gt);
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assert(fle(a, b) == le);
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assert(fge(a, b) == ge);
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f = a;
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assert(feq(f, b) == eq);
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assert(flt(f, b) == lt);
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assert(fgt(f, b) == gt);
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assert(fle(f, b) == le);
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assert(fge(f, b) == ge);
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f = b;
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assert(feq(a, f) == eq);
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assert(flt(a, f) == lt);
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assert(fgt(a, f) == gt);
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assert(fle(a, f) == le);
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assert(fge(a, f) == ge);
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}
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int main(void)
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{
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cmpflt( 0.0, 1.0, false, true, false);
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cmpflt( 0.0, -1.0, false, false, true);
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cmpflt( 1.0, 0.0, false, false, true);
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cmpflt(-1.0, 0.0, false, true, false);
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cmpflt( 1.0, 1.0, true, false, false);
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cmpflt( 1.0, 2.0, false, true, false);
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cmpflt( 2.0, 1.0, false, false, true);
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cmpflt(-1.0, -1.0, true, false, false);
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cmpflt(-1.0, -2.0, false, false, true);
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cmpflt(-2.0, -1.0, false, true, false);
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cmpflt( 1.0, -1.0, false, false, true);
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cmpflt( 1.0, -2.0, false, false, true);
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cmpflt( 2.0, -1.0, false, false, true);
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cmpflt(-1.0, 1.0, false, true, false);
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cmpflt(-1.0, 2.0, false, true, false);
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cmpflt(-2.0, 1.0, false, true, false);
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cmpflt( 0.0, 0.0, true, false, false);
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cmpflt(-0.0, 0.0, true, false, false);
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cmpflt( 0.0, -0.0, true, false, false);
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cmpflt(-0.0, -0.0, true, false, false);
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cmpflt( 1.0, 1.000001, false, true, false);
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cmpflt( 1.000001, 1.0, false, false, true);
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cmpflt( 1.000001, 1.000001, true, false, false);
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cmpflt( -1.0, -1.000001, false, false, true);
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cmpflt( -1.000001, -1.0, false, true, false);
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cmpflt( -1.000001, -1.000001, true, false, false);
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return 0;
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}
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