bn/bn_recp.c: make it indent-friendly.
authorAndy Polyakov <appro@openssl.org>
Tue, 20 Jan 2015 14:12:07 +0000 (15:12 +0100)
committerMatt Caswell <matt@openssl.org>
Thu, 22 Jan 2015 09:20:07 +0000 (09:20 +0000)
Reviewed-by: Tim Hudson <tjh@openssl.org>
crypto/bn/bn_recp.c

index 372a01f..8404086 100644 (file)
@@ -168,16 +168,16 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
 
        /* Nr := round(2^i / N) */
        if (i != recp->shift)
-               recp->shift=BN_reciprocal(&(recp->Nr),&(recp->N),
-                       i,ctx); /* BN_reciprocal returns i, or -1 for an error */
+               recp->shift=BN_reciprocal(&(recp->Nr),&(recp->N),i,ctx);
+       /* BN_reciprocal could have returned -1 for an error */
        if (recp->shift == -1) goto err;
 
-       /*-
-        * d := |round(round(m / 2^BN_num_bits(N)) * recp->Nr / 2^(i - BN_num_bits(N)))|
-        *    = |round(round(m / 2^BN_num_bits(N)) * round(2^i / N) / 2^(i - BN_num_bits(N)))|
-        *   <= |(m / 2^BN_num_bits(N)) * (2^i / N) * (2^BN_num_bits(N) / 2^i)|
-        *    = |m/N|
-        */
+    /*-
+     * d := |round(round(m / 2^BN_num_bits(N)) * recp->Nr / 2^(i - BN_num_bits(N)))|
+     *    = |round(round(m / 2^BN_num_bits(N)) * round(2^i / N) / 2^(i - BN_num_bits(N)))|
+     *   <= |(m / 2^BN_num_bits(N)) * (2^i / N) * (2^BN_num_bits(N) / 2^i)|
+     *    = |m/N|
+     */
        if (!BN_rshift(a,m,recp->num_bits)) goto err;
        if (!BN_mul(b,a,&(recp->Nr),ctx)) goto err;
        if (!BN_rshift(d,b,i-recp->num_bits)) goto err;