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julia: fixups

This commit is contained in:
K. Lange 2021-09-04 13:41:16 +09:00
parent 12aa76aa76
commit dd58bd6474
1 changed files with 3 additions and 3 deletions
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6
apps/julia.c
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@ -94,7 +94,7 @@ static uint32_t mix(uint32_t base, uint32_t mixer, float ratio) {
static uint32_t wiki_palette(int k) {
double ratio = (double)k / (double)maxiter;
for (int i = 0; i < 4; ++i) {
for (int i = 0; i < 100; ++i) {
if (ratio <= 0.025) return mix(rgb(14,21,101), rgb(40,100,200), ratio / 0.025);
ratio -= 0.025;
ratio /= 0.975;
@ -119,7 +119,7 @@ static uint32_t wiki_palette(int k) {
if (ratio <= 0.025) return mix(rgb(255,0,0), rgb(0,0,0), ratio / 0.025);
ratio -= 0.025;
ratio /= 0.975;
if (i < 3) {
if (i < 99) {
if (ratio <= 0.025) return mix(rgb(0,0,0), rgb(14,21,101), ratio / 0.025);
ratio -= 0.025;
ratio /= 0.975;
@ -186,7 +186,7 @@ void usage(char * argv[]) {
" [-X " T_I "maxx" T_N "] [-c " T_I "real" T_N "] [-C " T_I "imag" T_N "]\n"
" [-W " T_I "width" T_N "] [-H " T_I "height" T_N "] [-h]\n"
"\n"
" -i --initializer " T_I "Initializer value" T_N "\n"
" -i --iterations " T_I "Number of iterations to run" T_N "\n"
" -x --minx " T_I "Minimum X value" T_N "\n"
" -X --maxx " T_I "Maximum X value" T_N "\n"
" -c --creal " T_I "Real component of c" T_N "\n"