diff options
author | Patrick Simianer <p@simianer.de> | 2011-10-20 02:31:25 +0200 |
---|---|---|
committer | Patrick Simianer <p@simianer.de> | 2011-10-20 02:31:25 +0200 |
commit | a5a92ebe23c5819ed104313426012011e32539da (patch) | |
tree | 3416818c758d5ece4e71fe522c571e75ea04f100 /utils/logval.h | |
parent | b88332caac2cbe737c99b8098813f868ca876d8b (diff) | |
parent | 78baccbb4231bb84a456702d4f574f8e601a8182 (diff) |
finalized merge
Diffstat (limited to 'utils/logval.h')
-rw-r--r-- | utils/logval.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/utils/logval.h b/utils/logval.h index 6fdc2c42..8a59d0b1 100644 --- a/utils/logval.h +++ b/utils/logval.h @@ -25,12 +25,13 @@ class LogVal { typedef LogVal<T> Self; LogVal() : s_(), v_(LOGVAL_LOG0) {} - explicit LogVal(double x) : s_(std::signbit(x)), v_(s_ ? std::log(-x) : std::log(x)) {} + LogVal(double x) : s_(std::signbit(x)), v_(s_ ? std::log(-x) : std::log(x)) {} + const Self& operator=(double x) { s_ = std::signbit(x); v_ = s_ ? std::log(-x) : std::log(x); return *this; } LogVal(init_minus_1) : s_(true),v_(0) { } LogVal(init_1) : s_(),v_(0) { } LogVal(init_0) : s_(),v_(LOGVAL_LOG0) { } - LogVal(int x) : s_(x<0), v_(s_ ? std::log(-x) : std::log(x)) {} - LogVal(unsigned x) : s_(0), v_(std::log(x)) { } + explicit LogVal(int x) : s_(x<0), v_(s_ ? std::log(-x) : std::log(x)) {} + explicit LogVal(unsigned x) : s_(0), v_(std::log(x)) { } LogVal(double lnx,bool sign) : s_(sign),v_(lnx) {} LogVal(double lnx,init_lnx) : s_(),v_(lnx) {} static Self exp(T lnx) { return Self(lnx,false); } @@ -141,9 +142,6 @@ class LogVal { return pow(1/root); } - operator T() const { - if (s_) return -std::exp(v_); else return std::exp(v_); - } T as_float() const { if (s_) return -std::exp(v_); else return std::exp(v_); } |