Allow for negative Paranoid Numbers

[ipdf/code.git] / src / paranoidnumber.h

diff --git a/src/paranoidnumber.h b/src/paranoidnumber.h
index 6ad24f2..e57d00c 100644 (file)
--- a/src/paranoidnumber.h
+++ b/src/paranoidnumber.h
@@ -24,7 +24,7 @@
 
 // Define to compare all ops against double ops and check within epsilon
 #define PARANOID_COMPARE_EPSILON 1e-6
-#define CompareForSanity(...) this->ParanoidNumber::CompareForSanityEx(__func__, __FILE__, __LINE__, __VA_ARGS__)
+#define CompareForSanity(...) ParanoidNumber::CompareForSanityEx(__func__, __FILE__, __LINE__, __VA_ARGS__)
 
 namespace IPDF
 {
@@ -111,6 +111,9 @@ namespace IPDF
                                                        m_next[i].push_back(new ParanoidNumber(*next)); // famous last words...
                                        }
                                }
+                               #ifdef PARANOID_COMPARE_EPSILON
+                                       CompareForSanity(cpy.Digit(), cpy.Digit());
+                               #endif
                                //assert(SanityCheck());
                        }
                        
@@ -171,47 +174,60 @@ namespace IPDF
                        
                        
                        // None of these are actually const
-                       bool operator<(const ParanoidNumber & a) const {return ToDouble() < a.ToDouble();}
-                       bool operator<=(const ParanoidNumber & a) const {return this->operator<(a) || this->operator==(a);}
-                       bool operator>(const ParanoidNumber & a) const {return !(this->operator<=(a));}
-                       bool operator>=(const ParanoidNumber & a) const {return !(this->operator<(a));}
-                       bool operator==(const ParanoidNumber & a) const {return ToDouble() == a.ToDouble();}
-                       bool operator!=(const ParanoidNumber & a) const {return !(this->operator==(a));}
+                       bool operator<(const ParanoidNumber & a) const {return Digit() < a.Digit();}
+                       bool operator<=(const ParanoidNumber & a) const {return Digit() <= a.Digit();}
+                       bool operator>(const ParanoidNumber & a) const {return Digit() > a.Digit();}
+                       bool operator>=(const ParanoidNumber & a) const {return Digit() >= a.Digit();}
+                       bool operator==(const ParanoidNumber & a) const {return Digit() == a.Digit();}
+                       bool operator!=(const ParanoidNumber & a) const {return Digit() != a.Digit();}
                        
                        ParanoidNumber operator-() const
                        {
-                               ParanoidNumber neg(0);
-                               neg -= *this;
+                               ParanoidNumber neg(*this);
+                               neg.Negate();
+                               #ifdef PARANOID_COMPARE_EPSILON
+                                       neg.CompareForSanity(-Digit(), Digit());
+                               #endif
                                return neg;
                        }
                        
+                       void Negate();
+                       
+                       
                        ParanoidNumber operator+(const ParanoidNumber & a) const
                        {
                                ParanoidNumber result(*this);
-                               a.SanityCheck();
                                result += a;
+                               #ifdef PARANOID_COMPARE_EPSILON
+                                       result.CompareForSanity(Digit()+a.Digit(), a.Digit());
+                               #endif
                                return result;
                        }
                        ParanoidNumber operator-(const ParanoidNumber & a) const
                        {
                                ParanoidNumber result(*this);
                                result -= a;
+                               #ifdef PARANOID_COMPARE_EPSILON
+                                       result.CompareForSanity(Digit()-a.Digit(), a.Digit());
+                               #endif
                                return result;
                        }
                        ParanoidNumber operator*(const ParanoidNumber & a) const
                        {
                                ParanoidNumber result(*this);
                                result *= a;
-                               if (!result.SanityCheck())
-                               {
-                                       Fatal("Blargh");
-                               }
+                               #ifdef PARANOID_COMPARE_EPSILON
+                                       result.CompareForSanity(Digit()*a.Digit(), a.Digit());
+                               #endif
                                return result;
                        }
                        ParanoidNumber operator/(const ParanoidNumber & a) const
                        {
                                ParanoidNumber result(*this);
                                result /= a;
+                               #ifdef PARANOID_COMPARE_EPSILON
+                                       result.CompareForSanity(Digit()/a.Digit(), a.Digit());
+                               #endif
                                return result;
                        }