X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=tomsfastmath%2Fsrc%2Fsqr%2Ffp_sqr_comba_7.c;fp=tomsfastmath%2Fsrc%2Fsqr%2Ffp_sqr_comba_7.c;h=e9fd421752d18b45266d6b4d373deb75333ba23b;hb=66bc25938679f1d6a1d1200f329093d82a5e99b4;hp=0000000000000000000000000000000000000000;hpb=a52ee0733f420ca20224049260d6fc5cf7d8f621;p=zpackage

diff --git a/tomsfastmath/src/sqr/fp_sqr_comba_7.c b/tomsfastmath/src/sqr/fp_sqr_comba_7.c
new file mode 100644
index 0000000..e9fd421
--- /dev/null
+++ b/tomsfastmath/src/sqr/fp_sqr_comba_7.c
@@ -0,0 +1,94 @@
+#define TFM_DEFINES
+#include "fp_sqr_comba.c"
+
+#if defined(TFM_SQR7) && FP_SIZE >= 14
+void fp_sqr_comba7(fp_int *A, fp_int *B)
+{
+   fp_digit *a, b[14], c0, c1, c2, sc0, sc1, sc2;
+#ifdef TFM_ISO
+   fp_word tt;
+#endif
+
+   a = A->dp;
+   COMBA_START;
+
+   /* clear carries */
+   CLEAR_CARRY;
+
+   /* output 0 */
+   SQRADD(a[0],a[0]);
+   COMBA_STORE(b[0]);
+
+   /* output 1 */
+   CARRY_FORWARD;
+   SQRADD2(a[0], a[1]);
+   COMBA_STORE(b[1]);
+
+   /* output 2 */
+   CARRY_FORWARD;
+   SQRADD2(a[0], a[2]); SQRADD(a[1], a[1]);
+   COMBA_STORE(b[2]);
+
+   /* output 3 */
+   CARRY_FORWARD;
+   SQRADD2(a[0], a[3]); SQRADD2(a[1], a[2]);
+   COMBA_STORE(b[3]);
+
+   /* output 4 */
+   CARRY_FORWARD;
+   SQRADD2(a[0], a[4]); SQRADD2(a[1], a[3]); SQRADD(a[2], a[2]);
+   COMBA_STORE(b[4]);
+
+   /* output 5 */
+   CARRY_FORWARD;
+   SQRADDSC(a[0], a[5]); SQRADDAC(a[1], a[4]); SQRADDAC(a[2], a[3]); SQRADDDB;
+   COMBA_STORE(b[5]);
+
+   /* output 6 */
+   CARRY_FORWARD;
+   SQRADDSC(a[0], a[6]); SQRADDAC(a[1], a[5]); SQRADDAC(a[2], a[4]); SQRADDDB; SQRADD(a[3], a[3]);
+   COMBA_STORE(b[6]);
+
+   /* output 7 */
+   CARRY_FORWARD;
+   SQRADDSC(a[1], a[6]); SQRADDAC(a[2], a[5]); SQRADDAC(a[3], a[4]); SQRADDDB;
+   COMBA_STORE(b[7]);
+
+   /* output 8 */
+   CARRY_FORWARD;
+   SQRADD2(a[2], a[6]); SQRADD2(a[3], a[5]); SQRADD(a[4], a[4]);
+   COMBA_STORE(b[8]);
+
+   /* output 9 */
+   CARRY_FORWARD;
+   SQRADD2(a[3], a[6]); SQRADD2(a[4], a[5]);
+   COMBA_STORE(b[9]);
+
+   /* output 10 */
+   CARRY_FORWARD;
+   SQRADD2(a[4], a[6]); SQRADD(a[5], a[5]);
+   COMBA_STORE(b[10]);
+
+   /* output 11 */
+   CARRY_FORWARD;
+   SQRADD2(a[5], a[6]);
+   COMBA_STORE(b[11]);
+
+   /* output 12 */
+   CARRY_FORWARD;
+   SQRADD(a[6], a[6]);
+   COMBA_STORE(b[12]);
+   COMBA_STORE2(b[13]);
+   COMBA_FINI;
+
+   B->used = 14;
+   B->sign = FP_ZPOS;
+   memcpy(B->dp, b, 14 * sizeof(fp_digit));
+   fp_clamp(B);
+}
+#endif
+
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */