101 lines
1.2 KiB
C
101 lines
1.2 KiB
C
#include <assert.h>
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#include <stdio.h>
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#include <math.h>
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int main(void)
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{
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float a;
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int i;
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long li;
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unsigned u;
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unsigned long lu;
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a = 1.0;
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i = 1;
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for(int j=0; j<15; j++)
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{
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assert(i == (int)a);
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assert(a == (float)i);
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a *= 2.0;
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i <<= 1;
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}
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a = -1.0;
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i = -1;
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for(int j=0; j<15; j++)
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{
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assert(i == (int)a);
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assert(a == (float)i);
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a *= 2.0;
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i <<= 1;
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}
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a = 1.0;
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i = 1;
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for(int j=0; j<15; j++)
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{
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assert(i == (int)a);
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assert(a == (float)i);
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a *= 2.0;
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a += 1.0;
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i <<= 1;
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i += 1;
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}
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a = 1.0;
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u = 1;
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for(int j=0; j<16; j++)
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{
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assert(u == (unsigned)a);
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assert(a == (float)u);
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a *= 2.0;
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u <<= 1;
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}
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a = 1.0;
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u = 1;
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for(int j=0; j<16; j++)
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{
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assert(u == (unsigned)a);
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assert(a == (float)u);
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a *= 2.0;
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a += 1;
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u <<= 1;
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u += 1;
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}
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a = 1.0;
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li = 1;
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for(int j=0; j<31; j++)
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{
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assert(li == (long)a);
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assert(a == (float)li);
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a *= 2.0;
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li <<= 1;
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}
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a = -1.0;
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li = -1;
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for(int j=0; j<31; j++)
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{
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assert(li == (long)a);
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assert(a == (float)li);
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a *= 2.0;
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li <<= 1;
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}
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a = 1.0;
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lu = 1;
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for(int j=0; j<32; j++)
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{
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assert(lu == (unsigned long)a);
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assert(a == (float)lu);
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a *= 2.0;
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lu <<= 1;
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}
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return 0;
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}
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