27 lines
		
	
	
		
			537 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			537 B
		
	
	
	
		
			C
		
	
	
	
	
	
#include "mathops.h"
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#ifdef TEST
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#include <stdlib.h>
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int main(void)
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{
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    unsigned u;
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    for(u=0; u<65536; u++) {
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        unsigned s = u*u;
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        unsigned root = ff_sqrt(s);
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        unsigned root_m1 = ff_sqrt(s-1);
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        if (s && root != u) {
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            fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
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            return 1;
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        }
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        if (u && root_m1 != u - 1) {
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            fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
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            return 1;
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        }
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    }
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    return 0;
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}
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#endif /* TEST */
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