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38 lines
819 B
38 lines
819 B
/* TomsFastMath, a fast ISO C bignum library.
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*
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* This project is meant to fill in where LibTomMath
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* falls short. That is speed ;-)
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*
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* This project is public domain and free for all purposes.
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*
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* Tom St Denis, tomstdenis@gmail.com
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*/
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#include "bignum_fast.h"
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/* compare against a single digit */
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int fp_cmp_d(fp_int *a, fp_digit b)
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{
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/* compare based on sign */
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if ((b && a->used == 0) || a->sign == FP_NEG) {
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return FP_LT;
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}
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/* compare based on magnitude */
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if (a->used > 1) {
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return FP_GT;
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}
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/* compare the only digit of a to b */
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if (a->dp[0] > b) {
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return FP_GT;
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} else if (a->dp[0] < b) {
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return FP_LT;
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} else {
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return FP_EQ;
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}
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}
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/* $Source: /cvs/libtom/tomsfastmath/src/addsub/fp_cmp_d.c,v $ */
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/* $Revision: 1.1 $ */
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/* $Date: 2006/12/31 21:25:53 $ */
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