diff options
Diffstat (limited to 'src/libmp/port/mpvecdigmuladd.c')
| -rw-r--r-- | src/libmp/port/mpvecdigmuladd.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/libmp/port/mpvecdigmuladd.c b/src/libmp/port/mpvecdigmuladd.c index 28d4205a..909314f0 100644 --- a/src/libmp/port/mpvecdigmuladd.c +++ b/src/libmp/port/mpvecdigmuladd.c @@ -11,19 +11,19 @@ mpdigmul(mpdigit a, mpdigit b, mpdigit *p) mpdigit x, ah, al, bh, bl, p1, p2, p3, p4; int carry; - // half digits + /* half digits */ ah = HI(a); al = LO(a); bh = HI(b); bl = LO(b); - // partial products + /* partial products */ p1 = ah*bl; p2 = bh*al; p3 = bl*al; p4 = ah*bh; - // p = ((p1+p2)<<(Dbits/2)) + (p4<<Dbits) + p3 + /* p = ((p1+p2)<<(Dbits/2)) + (p4<<Dbits) + p3 */ carry = 0; x = p1<<(Dbits/2); p3 += x; @@ -33,12 +33,12 @@ mpdigmul(mpdigit a, mpdigit b, mpdigit *p) p3 += x; if(p3 < x) carry++; - p4 += carry + HI(p1) + HI(p2); // can't carry out of the high digit + p4 += carry + HI(p1) + HI(p2); /* can't carry out of the high digit */ p[0] = p3; p[1] = p4; } -// prereq: p must have room for n+1 digits +/* prereq: p must have room for n+1 digits */ void mpvecdigmuladd(mpdigit *b, int n, mpdigit m, mpdigit *p) { @@ -66,7 +66,7 @@ mpvecdigmuladd(mpdigit *b, int n, mpdigit m, mpdigit *p) *p = part[1] + carry; } -// prereq: p must have room for n+1 digits +/* prereq: p must have room for n+1 digits */ int mpvecdigmulsub(mpdigit *b, int n, mpdigit m, mpdigit *p) { |