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Cut off trailing zeros when printing floating point values.

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This commit is contained in:
Bartosz Taudul 2017-10-18 20:18:33 +02:00
parent 9c4316879c
commit cdde2ea2a3
2 changed files with 30 additions and 9 deletions
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38
server/TracyView.cpp
View File

@ -1178,6 +1178,26 @@ const char* View::TimeToString( int64_t ns ) const
return buf;
}
const char* View::RealToString( double val ) const
{
enum { Pool = 8 };
static char bufpool[Pool][64];
static int bufsel = 0;
char* buf = bufpool[bufsel];
bufsel = ( bufsel + 1 ) % Pool;
sprintf( buf, "%f", val );
auto ptr = buf;
while( *ptr != '\0' && *ptr != ',' && *ptr != '.' ) ptr++;
if( *ptr == '\0' ) return buf;
while( *ptr != '\0' ) ptr++;
ptr--;
while( *ptr == '0' && *ptr != ',' && *ptr != '.' ) ptr--;
if( *ptr != '.' && *ptr != ',' ) ptr++;
*ptr = '\0';
return buf;
}
const char* View::GetString( uint64_t ptr ) const
{
const auto it = m_strings.find( ptr );
@ -2363,17 +2383,17 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
ImGui::BeginTooltip();
ImGui::Text( "Plot \"%s\"", txt );
ImGui::Text( "Data points: %i", v->data.size() );
ImGui::Text( "Data range: %f", v->max - v->min );
ImGui::Text( "Min value: %f", v->min );
ImGui::Text( "Max value: %f", v->max );
ImGui::Text( "Data range: %s", RealToString( v->max - v->min ) );
ImGui::Text( "Min value: %s", RealToString( v->min ) );
ImGui::Text( "Max value: %s", RealToString( v->max ) );
ImGui::Text( "Time range: %s", TimeToString( tr ) );
ImGui::Text( "Data/second: %f", double( v->data.size() ) / tr * 1000000000ull );
ImGui::Text( "Data/second: %s", RealToString( double( v->data.size() ) / tr * 1000000000ull ) );
const auto it = std::lower_bound( v->data.begin(), v->data.end(), v->data.back().time - 1000000000ull * 10, [] ( const auto& l, const auto& r ) { return l.time < r; } );
const auto tr10 = v->data.back().time - it->time;
if( tr10 != 0 )
{
ImGui::Text( "D/s (10s): %f", double( std::distance( it, v->data.end() ) ) / tr10 * 1000000000ull );
ImGui::Text( "D/s (10s): %s", RealToString( double( std::distance( it, v->data.end() ) ) / tr10 * 1000000000ull ) );
}
ImGui::EndTooltip();
@ -2405,7 +2425,7 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
{
char tmp[64];
sprintf( tmp, "%f", max );
sprintf( tmp, "%s", RealToString( max ) );
draw->AddText( wpos + ImVec2( 0, offset ), 0x8844DDDD, tmp );
}
@ -2437,7 +2457,7 @@ int View::DrawPlots( int offset, double pxns, const ImVec2& wpos, bool hover )
offset += PlotHeight - ty;
{
char tmp[64];
sprintf( tmp, "%f", min );
sprintf( tmp, "%s", RealToString( min ) );
draw->AddText( wpos + ImVec2( 0, offset ), 0x8844DDDD, tmp );
}
draw->AddLine( wpos + ImVec2( 0, offset + ty - 1 ), wpos + ImVec2( w, offset + ty - 1 ), 0x8844DDDD );
@ -2457,10 +2477,10 @@ void View::DrawPlotPoint( const ImVec2& wpos, float x, float y, int offset, uint
if( ImGui::IsMouseHoveringRect( wpos + ImVec2( x - 2, offset ), wpos + ImVec2( x + 2, offset + PlotHeight ) ) )
{
ImGui::BeginTooltip();
ImGui::Text( "Value: %f", val );
ImGui::Text( "Value: %s", RealToString( val ) );
if( hasPrev )
{
ImGui::Text( "Change: %f", val - prev );
ImGui::Text( "Change: %s", RealToString( val - prev ) );
}
ImGui::EndTooltip();
}

1
server/TracyView.hpp
View File

@ -139,6 +139,7 @@ private:
int64_t GetZoneEnd( const Event& ev ) const;
Vector<Event*>& GetParentVector( const Event& ev );
const char* TimeToString( int64_t ns ) const;
const char* RealToString( double val ) const;
const char* GetString( uint64_t ptr ) const;
const char* GetThreadString( uint64_t id ) const;
const QueueSourceLocation& GetSourceLocation( uint64_t srcloc ) const;