Diffstat (limited to 'noncore/unsupported/qpdf/fixed.h') (more/less context) (show whitespace changes)
-rw-r--r-- | noncore/unsupported/qpdf/fixed.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/noncore/unsupported/qpdf/fixed.h b/noncore/unsupported/qpdf/fixed.h index d073421..ec0e696 100644 --- a/noncore/unsupported/qpdf/fixed.h +++ b/noncore/unsupported/qpdf/fixed.h | |||
@@ -160,26 +160,26 @@ template <unsigned int SH> inline long int lrint ( const fixed<SH> &f ) | |||
160 | 160 | ||
161 | template <unsigned int SH> inline fixed<SH> fabs ( const fixed<SH> &f ) | 161 | template <unsigned int SH> inline fixed<SH> fabs ( const fixed<SH> &f ) |
162 | { | 162 | { |
163 | return ( f. m_f < 0 ) ? fixed<SH> ( -f. m_f, true ) : f; | 163 | return ( f. m_f < 0 ) ? fixed<SH> ( -f. m_f, true ) : f; |
164 | } | 164 | } |
165 | 165 | ||
166 | // roughly from QPE / qmath.h | 166 | // roughly from QPE / qmath.h |
167 | template <unsigned int SH> inline fixed<SH> sqrt ( const fixed<SH> &f ) | 167 | template <unsigned int SH> inline fixed<SH> sqrt ( const fixed<SH> &f ) |
168 | { | 168 | { |
169 | if ( f. m_f <= 0 ) | 169 | if ( f. m_f <= 0 ) |
170 | return fixed<SH> ( 0, true ); | 170 | return fixed<SH> ( 0, true ); |
171 | 171 | ||
172 | fixed<SH>::fix_t a0 = 0; | 172 | typename fixed<SH>::fix_t a0 = 0; |
173 | fixed<SH>::fix_t a1 = f. m_f; // take value as first approximation | 173 | typename fixed<SH>::fix_t a1 = f. m_f; // take value as first approximation |
174 | 174 | ||
175 | do { | 175 | do { |
176 | a0 = a1; | 176 | a0 = a1; |
177 | a1 = ( a0 + fixed<SH>::div ( f. m_f, a0 )) >> 1; | 177 | a1 = ( a0 + fixed<SH>::div ( f. m_f, a0 )) >> 1; |
178 | } while ( abs ( fixed<SH>::div ( a1 - a0, a1 )) > 1 ); | 178 | } while ( abs ( fixed<SH>::div ( a1 - a0, a1 )) > 1 ); |
179 | 179 | ||
180 | return fixed<SH> ( a1, true ); | 180 | return fixed<SH> ( a1, true ); |
181 | } | 181 | } |
182 | 182 | ||
183 | #if 0 // no std::ostream needed in OPIE | 183 | #if 0 // no std::ostream needed in OPIE |
184 | template <unsigned int SH> inline std::ostream &operator << ( std::ostream &o, const fixed<SH> &f ) | 184 | template <unsigned int SH> inline std::ostream &operator << ( std::ostream &o, const fixed<SH> &f ) |
185 | { | 185 | { |