denyhosts/clamscan/libclamav/tomsfastmath/sqr/fp_sqr.c

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2022-10-22 18:41:00 +08:00
/* TomsFastMath, a fast ISO C bignum library.
*
* This project is meant to fill in where LibTomMath
* falls short. That is speed ;-)
*
* This project is public domain and free for all purposes.
*
* Tom St Denis, tomstdenis@gmail.com
*/
#include "bignum_fast.h"
/* b = a*a */
void fp_sqr(fp_int *A, fp_int *B)
{
int y;
/* call generic if we're out of range */
if (A->used + A->used > FP_SIZE) {
fp_sqr_comba(A, B);
return ;
}
y = A->used;
#if defined(TFM_SQR3)
if (y <= 3) {
fp_sqr_comba3(A,B);
return;
}
#endif
#if defined(TFM_SQR4)
if (y == 4) {
fp_sqr_comba4(A,B);
return;
}
#endif
#if defined(TFM_SQR6)
if (y <= 6) {
fp_sqr_comba6(A,B);
return;
}
#endif
#if defined(TFM_SQR7)
if (y == 7) {
fp_sqr_comba7(A,B);
return;
}
#endif
#if defined(TFM_SQR8)
if (y == 8) {
fp_sqr_comba8(A,B);
return;
}
#endif
#if defined(TFM_SQR9)
if (y == 9) {
fp_sqr_comba9(A,B);
return;
}
#endif
#if defined(TFM_SQR12)
if (y <= 12) {
fp_sqr_comba12(A,B);
return;
}
#endif
#if defined(TFM_SQR17)
if (y <= 17) {
fp_sqr_comba17(A,B);
return;
}
#endif
#if defined(TFM_SMALL_SET)
if (y <= 16) {
fp_sqr_comba_small(A,B);
return;
}
#endif
#if defined(TFM_SQR20)
if (y <= 20) {
fp_sqr_comba20(A,B);
return;
}
#endif
#if defined(TFM_SQR24)
if (y <= 24) {
fp_sqr_comba24(A,B);
return;
}
#endif
#if defined(TFM_SQR28)
if (y <= 28) {
fp_sqr_comba28(A,B);
return;
}
#endif
#if defined(TFM_SQR32)
if (y <= 32) {
fp_sqr_comba32(A,B);
return;
}
#endif
#if defined(TFM_SQR48)
if (y <= 48) {
fp_sqr_comba48(A,B);
return;
}
#endif
#if defined(TFM_SQR64)
if (y <= 64) {
fp_sqr_comba64(A,B);
return;
}
#endif
fp_sqr_comba(A, B);
}
/* $Source: /cvs/libtom/tomsfastmath/src/sqr/fp_sqr.c,v $ */
/* $Revision: 1.1 $ */
/* $Date: 2006/12/31 21:25:53 $ */