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fp_sqr_comba_9.c
00001 #define TFM_DEFINES 00002 #include "fp_sqr_comba.c" 00003 00004 #ifdef TFM_SQR9 00005 void fp_sqr_comba9(fp_int *A, fp_int *B) 00006 { 00007 fp_digit *a, b[18], c0, c1, c2, sc0, sc1, sc2; 00008 #ifdef TFM_ISO 00009 fp_word tt; 00010 #endif 00011 00012 a = A->dp; 00013 COMBA_START; 00014 00015 /* clear carries */ 00016 CLEAR_CARRY; 00017 00018 /* output 0 */ 00019 SQRADD(a[0],a[0]); 00020 COMBA_STORE(b[0]); 00021 00022 /* output 1 */ 00023 CARRY_FORWARD; 00024 SQRADD2(a[0], a[1]); 00025 COMBA_STORE(b[1]); 00026 00027 /* output 2 */ 00028 CARRY_FORWARD; 00029 SQRADD2(a[0], a[2]); SQRADD(a[1], a[1]); 00030 COMBA_STORE(b[2]); 00031 00032 /* output 3 */ 00033 CARRY_FORWARD; 00034 SQRADD2(a[0], a[3]); SQRADD2(a[1], a[2]); 00035 COMBA_STORE(b[3]); 00036 00037 /* output 4 */ 00038 CARRY_FORWARD; 00039 SQRADD2(a[0], a[4]); SQRADD2(a[1], a[3]); SQRADD(a[2], a[2]); 00040 COMBA_STORE(b[4]); 00041 00042 /* output 5 */ 00043 CARRY_FORWARD; 00044 SQRADDSC(a[0], a[5]); SQRADDAC(a[1], a[4]); SQRADDAC(a[2], a[3]); SQRADDDB; 00045 COMBA_STORE(b[5]); 00046 00047 /* output 6 */ 00048 CARRY_FORWARD; 00049 SQRADDSC(a[0], a[6]); SQRADDAC(a[1], a[5]); SQRADDAC(a[2], a[4]); SQRADDDB; SQRADD(a[3], a[3]); 00050 COMBA_STORE(b[6]); 00051 00052 /* output 7 */ 00053 CARRY_FORWARD; 00054 SQRADDSC(a[0], a[7]); SQRADDAC(a[1], a[6]); SQRADDAC(a[2], a[5]); SQRADDAC(a[3], a[4]); SQRADDDB; 00055 COMBA_STORE(b[7]); 00056 00057 /* output 8 */ 00058 CARRY_FORWARD; 00059 SQRADDSC(a[0], a[8]); SQRADDAC(a[1], a[7]); SQRADDAC(a[2], a[6]); SQRADDAC(a[3], a[5]); SQRADDDB; SQRADD(a[4], a[4]); 00060 COMBA_STORE(b[8]); 00061 00062 /* output 9 */ 00063 CARRY_FORWARD; 00064 SQRADDSC(a[1], a[8]); SQRADDAC(a[2], a[7]); SQRADDAC(a[3], a[6]); SQRADDAC(a[4], a[5]); SQRADDDB; 00065 COMBA_STORE(b[9]); 00066 00067 /* output 10 */ 00068 CARRY_FORWARD; 00069 SQRADDSC(a[2], a[8]); SQRADDAC(a[3], a[7]); SQRADDAC(a[4], a[6]); SQRADDDB; SQRADD(a[5], a[5]); 00070 COMBA_STORE(b[10]); 00071 00072 /* output 11 */ 00073 CARRY_FORWARD; 00074 SQRADDSC(a[3], a[8]); SQRADDAC(a[4], a[7]); SQRADDAC(a[5], a[6]); SQRADDDB; 00075 COMBA_STORE(b[11]); 00076 00077 /* output 12 */ 00078 CARRY_FORWARD; 00079 SQRADD2(a[4], a[8]); SQRADD2(a[5], a[7]); SQRADD(a[6], a[6]); 00080 COMBA_STORE(b[12]); 00081 00082 /* output 13 */ 00083 CARRY_FORWARD; 00084 SQRADD2(a[5], a[8]); SQRADD2(a[6], a[7]); 00085 COMBA_STORE(b[13]); 00086 00087 /* output 14 */ 00088 CARRY_FORWARD; 00089 SQRADD2(a[6], a[8]); SQRADD(a[7], a[7]); 00090 COMBA_STORE(b[14]); 00091 00092 /* output 15 */ 00093 CARRY_FORWARD; 00094 SQRADD2(a[7], a[8]); 00095 COMBA_STORE(b[15]); 00096 00097 /* output 16 */ 00098 CARRY_FORWARD; 00099 SQRADD(a[8], a[8]); 00100 COMBA_STORE(b[16]); 00101 COMBA_STORE2(b[17]); 00102 COMBA_FINI; 00103 00104 B->used = 18; 00105 B->sign = FP_ZPOS; 00106 memcpy(B->dp, b, 18 * sizeof(fp_digit)); 00107 fp_clamp(B); 00108 } 00109 #endif 00110 00111 00112 /* $Source: /cvs/libtom/tomsfastmath/src/sqr/fp_sqr_comba_9.c,v $ */ 00113 /* $Revision: 1.2 $ */ 00114 /* $Date: 2007/02/17 03:39:01 $ */
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