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bugfix: ' floating point exception' due wrongly placed code

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while integrating the old 'getSqrt()' function into the 'bsqrt()'
function i misplaced some code. this lead to 'r' being 0 on the
first run. doh.
This commit is contained in:
Mathias Gumz 2010-09-21 00:04:46 +02:00
parent b530c14051
commit ae7a54a4b6
1 changed files with 2 additions and 1 deletions
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3
src/FbTk/TextureRender.cc
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@ -76,9 +76,10 @@ unsigned long bsqrt(unsigned int x) {
sqrt_table[0] = 0; sqrt_table[0] = 0;
sqrt_table[1] = 1; sqrt_table[1] = 1;
unsigned long r = x >> 1; unsigned long r;
unsigned long q; unsigned long q;
for (x = 2; x < SQRT_TABLE_ENTRIES; x++) { for (x = 2; x < SQRT_TABLE_ENTRIES; x++) {
r = x >> 1;
while (1) { while (1) {
q = x / r; q = x / r;
if (q >= r) { if (q >= r) {