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/* hypot() replacement */ |
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#include "pyconfig.h" |
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#include "pyport.h" |
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double hypot(double x, double y) |
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{ |
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double yx; |
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x = fabs(x); |
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y = fabs(y); |
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if (x < y) { |
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double temp = x; |
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x = y; |
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y = temp; |
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} |
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if (x == 0.) |
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return 0.; |
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else { |
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yx = y/x; |
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return x*sqrt(1.+yx*yx); |
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} |
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}
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