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added a few const, and a default value for the generate(int) call

This commit is contained in:
Paolo Cignoni 2008-12-18 00:29:03 +00:00
parent c2c940338e
commit 0b15c9b4b4
1 changed files with 335 additions and 335 deletions
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4
vcg/math/random_generator.h
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@ -112,7 +112,7 @@ public:
} }
/// Return a random number in the given range (limit) using the Subtractive Ring method. /// Return a random number in the given range (limit) using the Subtractive Ring method.
unsigned int generate(unsigned int limit) unsigned int generate(unsigned int limit= 0xffffffffu)
{ {
_M_index1 = (_M_index1 + 1) % 55; _M_index1 = (_M_index1 + 1) % 55;
_M_index2 = (_M_index2 + 1) % 55; _M_index2 = (_M_index2 + 1) % 55;
@ -123,7 +123,7 @@ public:
/// Return a random number in the [0,1) real interval using the Subtractive Ring method. /// Return a random number in the [0,1) real interval using the Subtractive Ring method.
double generate01() double generate01()
{ {
unsigned int lmt = 0xffffffffu; const unsigned int lmt = 0xffffffffu;
unsigned int number = generate(lmt); unsigned int number = generate(lmt);
return static_cast<double>(number) / static_cast<double>(lmt); return static_cast<double>(number) / static_cast<double>(lmt);
} }