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[/] [raytrac/] [trunk/] [utils/] [memMaker.c] - Diff between revs 67 and 75
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| Rev 67 |
Rev 75 |
| Line 105... |
Line 105... |
int f0inv(float x){
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int f0inv(float x){
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int I;
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int I;
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float fI;
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float fI;
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fI=(1/x);
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fI=(1/x);
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//fprintf (stdout," %f %f ", x, fI);
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//fprintf (stdout," %f %f ", x, fI);
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fI*=pow(2,memparam.dec);
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fI*=pow(2,memparam.dec+2);
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I=fI;
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I=fI;
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I&=0x3ffff;
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return I;
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return I;
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}
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}
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int f1sqrt(float x){
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int f1sqrt(float x){
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int S;
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int S;
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float fS;
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float fS;
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fS=(sqrt(x)*pow(2,memparam.dec));
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fS=(sqrt(x)*pow(2,memparam.dec+2));
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S=fS;
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S=fS;
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S&=0x3ffff;
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return S;
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return S;
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}
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}
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int f2random(float x){
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int f2random(float x){
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int mask=pow(2,memparam.width+1)-1;
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int mask=pow(2,memparam.width+1)-1;
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