X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=tomsfastmath%2Fsrc%2Fmul%2Ffp_mul_comba_7.c;fp=tomsfastmath%2Fsrc%2Fmul%2Ffp_mul_comba_7.c;h=c526c1c31e0211289022d1c94a0baa395ce1a06a;hb=66bc25938679f1d6a1d1200f329093d82a5e99b4;hp=0000000000000000000000000000000000000000;hpb=a52ee0733f420ca20224049260d6fc5cf7d8f621;p=zpackage

diff --git a/tomsfastmath/src/mul/fp_mul_comba_7.c b/tomsfastmath/src/mul/fp_mul_comba_7.c
new file mode 100644
index 0000000..c526c1c
--- /dev/null
+++ b/tomsfastmath/src/mul/fp_mul_comba_7.c
@@ -0,0 +1,76 @@
+#define TFM_DEFINES
+#include "fp_mul_comba.c"
+
+#if defined(TFM_MUL7) && FP_SIZE >= 14
+void fp_mul_comba7(fp_int *A, fp_int *B, fp_int *C)
+{
+   fp_digit c0, c1, c2, at[14];
+
+   memcpy(at, A->dp, 7 * sizeof(fp_digit));
+   memcpy(at+7, B->dp, 7 * sizeof(fp_digit));
+   COMBA_START;
+
+   COMBA_CLEAR;
+   /* 0 */
+   MULADD(at[0], at[7]);
+   COMBA_STORE(C->dp[0]);
+   /* 1 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[8]);    MULADD(at[1], at[7]);
+   COMBA_STORE(C->dp[1]);
+   /* 2 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[9]);    MULADD(at[1], at[8]);    MULADD(at[2], at[7]);
+   COMBA_STORE(C->dp[2]);
+   /* 3 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[10]);    MULADD(at[1], at[9]);    MULADD(at[2], at[8]);    MULADD(at[3], at[7]);
+   COMBA_STORE(C->dp[3]);
+   /* 4 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[11]);    MULADD(at[1], at[10]);    MULADD(at[2], at[9]);    MULADD(at[3], at[8]);    MULADD(at[4], at[7]);
+   COMBA_STORE(C->dp[4]);
+   /* 5 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[12]);    MULADD(at[1], at[11]);    MULADD(at[2], at[10]);    MULADD(at[3], at[9]);    MULADD(at[4], at[8]);    MULADD(at[5], at[7]);
+   COMBA_STORE(C->dp[5]);
+   /* 6 */
+   COMBA_FORWARD;
+   MULADD(at[0], at[13]);    MULADD(at[1], at[12]);    MULADD(at[2], at[11]);    MULADD(at[3], at[10]);    MULADD(at[4], at[9]);    MULADD(at[5], at[8]);    MULADD(at[6], at[7]);
+   COMBA_STORE(C->dp[6]);
+   /* 7 */
+   COMBA_FORWARD;
+   MULADD(at[1], at[13]);    MULADD(at[2], at[12]);    MULADD(at[3], at[11]);    MULADD(at[4], at[10]);    MULADD(at[5], at[9]);    MULADD(at[6], at[8]);
+   COMBA_STORE(C->dp[7]);
+   /* 8 */
+   COMBA_FORWARD;
+   MULADD(at[2], at[13]);    MULADD(at[3], at[12]);    MULADD(at[4], at[11]);    MULADD(at[5], at[10]);    MULADD(at[6], at[9]);
+   COMBA_STORE(C->dp[8]);
+   /* 9 */
+   COMBA_FORWARD;
+   MULADD(at[3], at[13]);    MULADD(at[4], at[12]);    MULADD(at[5], at[11]);    MULADD(at[6], at[10]);
+   COMBA_STORE(C->dp[9]);
+   /* 10 */
+   COMBA_FORWARD;
+   MULADD(at[4], at[13]);    MULADD(at[5], at[12]);    MULADD(at[6], at[11]);
+   COMBA_STORE(C->dp[10]);
+   /* 11 */
+   COMBA_FORWARD;
+   MULADD(at[5], at[13]);    MULADD(at[6], at[12]);
+   COMBA_STORE(C->dp[11]);
+   /* 12 */
+   COMBA_FORWARD;
+   MULADD(at[6], at[13]);
+   COMBA_STORE(C->dp[12]);
+   COMBA_STORE2(C->dp[13]);
+   C->used = 14;
+   C->sign = A->sign ^ B->sign;
+   fp_clamp(C);
+   COMBA_FINI;
+}
+#endif
+
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */