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"Almost equal to" sign in banner views

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This commit is contained in:
Ruben Dashyan
2019-09-23 14:48:08 +02:00
committed by EmilieNumworks
parent 20abac86f4
commit bd5a247858
5 changed files with 15 additions and 15 deletions
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4
apps/graph/graph/graph_controller_helper.cpp
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@@ -1,6 +1,7 @@
#include "graph_controller_helper.h"
#include "../../shared/function_banner_delegate.h"
#include "../app.h"
#include <ion/unicode/utf8_decoder.h>
#include "../../shared/poincare_helpers.h"
#include <poincare/preferences.h>
@@ -34,9 +35,8 @@ void GraphControllerHelper::reloadDerivativeInBannerViewForCursorOnFunction(Shar
char buffer[bufferSize];
const char * space = " ";
int numberOfChar = function->derivativeNameWithArgument(buffer, bufferSize);
const char * legend = "=";
assert(numberOfChar <= bufferSize);
numberOfChar += strlcpy(buffer+numberOfChar, legend, bufferSize-numberOfChar);
numberOfChar += UTF8Decoder::CodePointToChars(UCodePointAlmostEqualTo, buffer+numberOfChar, bufferSize-numberOfChar);
double y = function->approximateDerivative(cursor->x(), App::app()->localContext());
numberOfChar += PoincareHelpers::ConvertFloatToText<double>(y, buffer + numberOfChar, bufferSize-numberOfChar, Preferences::ShortNumberOfSignificantDigits);
assert(numberOfChar <= bufferSize);