Fix some loose ends from 3993093f

diff --git a/src/noise.cpp b/src/noise.cpp
index e6a9b7395b17ab1e10b7892e6f33f16bbb754f5f..c36b33db86828df9d0d04d8265b66d15508a6107 100644 (file)
--- a/src/noise.cpp
+++ b/src/noise.cpp
@@ -106,7 +106,8 @@ u32 PcgRandom::range(u32 bound)
        u32 threshhold = -bound % bound;
        u32 r;
 
-       while ((r = next()) < threshhold);
+       while ((r = next()) < threshhold)
+               ;
 
        return r % bound;
 }
@@ -127,6 +128,7 @@ void PcgRandom::bytes(void *out, size_t len)
 
        size_t len_alignment = (uintptr_t)out % sizeof(u32);
        if (len_alignment) {
+               len -= len_alignment;
                r = next();
                while (len_alignment--) {
                        *outb = r & 0xFF;
@@ -156,7 +158,7 @@ void PcgRandom::bytes(void *out, size_t len)
 
 s32 PcgRandom::randNormalDist(s32 min, s32 max, int num_trials)
 {
-       u32 accum = 0;
+       s32 accum = 0;
        for (int i = 0; i != num_trials; i++)
                accum += range(min, max);
        return ((float)accum / num_trials) + 0.5f;