bn/bn_recp.c: make it indent-friendly.

[openssl.git] / crypto / bn / bn_recp.c

diff --git a/crypto/bn/bn_recp.c b/crypto/bn/bn_recp.c
index b5f57e51f2ad1c41a1284124e0b4d1ce16545b56..07bcad65d2030a039753a19455ad1c58e548d964 100644 (file)
--- a/crypto/bn/bn_recp.c
+++ b/crypto/bn/bn_recp.c
@@ -167,16 +167,16 @@ 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;