[Build] Reduce ESP8266 and ESP32-C6 DisplayB build size

lib/Adafruit_BME680/Adafruit_BME680.cpp

@@ -278,7 +278,7 @@ float Adafruit_BME680::readAltitude(float seaLevel) {
   //  http://forums.adafruit.com/viewtopic.php?f=22&t=58064
 
   float atmospheric = readPressure() / 100.0F;
-  return 44330.0 * (1.0 - pow(atmospheric / seaLevel, 0.1903));
+  return 44330.0f * (1.0f - powf(atmospheric / seaLevel, 0.1903f));
 }
 
 /*!

lib/Adafruit_BMP3XX/Adafruit_BMP3XX.cpp

@@ -291,7 +291,7 @@ float Adafruit_BMP3XX::readAltitude(float seaLevel) {
   //  http://forums.adafruit.com/viewtopic.php?f=22&t=58064
 
   float atmospheric = readPressure() / 100.0F;
-  return 44330.0 * (1.0 - pow(atmospheric / seaLevel, 0.1903));
+  return 44330.0f * (1.0f - powf(atmospheric / seaLevel, 0.1903f));
 }
 
 /**************************************************************************/

lib/Adafruit_TCS34725/examples/colorview/colorview.ino

@@ -39,7 +39,7 @@ void setup() {
   for (int i=0; i<256; i++) {
     float x = i;
     x /= 255;
-    x = pow(x, 2.5);
+    x = powf(x, 2.5f);
     x *= 255;
       
     if (commonAnode) {

lib/NeoPixelBus/src/internal/NeoEase.h

@@ -218,12 +218,12 @@ public:
 
     static float ExponentialIn(float unitValue)
     {
-        return (pow(2, 10.0f * (unitValue - 1.0f)));
+        return (powf(2, 10.0f * (unitValue - 1.0f)));
     }
 
     static float ExponentialOut(float unitValue)
     {
-        return (-pow(2, -10.0f * unitValue) + 1.0f);
+        return (-powf(2, -10.0f * unitValue) + 1.0f);
     }
 
     static float ExponentialInOut(float unitValue)
@@ -231,12 +231,12 @@ public:
         unitValue *= 2.0f;
         if (unitValue < 1.0f)
         {
-            return (0.5f * pow(2, 10.0f * (unitValue - 1.0f)));
+            return (0.5f * powf(2, 10.0f * (unitValue - 1.0f)));
         }
         else
         {
             unitValue -= 1.0f;
-            return (0.5f * (-pow(2, -10.0f * unitValue) + 2.0f));
+            return (0.5f * (-powf(2, -10.0f * unitValue) + 2.0f));
         }
     }
 
@@ -245,12 +245,12 @@ public:
         unitValue *= 2.0f;
         if (unitValue < 1.0f)
         {
-            return (0.5f * (-pow(2, -10.0f * unitValue) + 1.0f));
+            return (0.5f * (-powf(2, -10.0f * unitValue) + 1.0f));
         }
         else
         {
             unitValue -= 2.0f;
-            return (0.5f * (pow(2, 10.0f * unitValue) + 1.0f));
+            return (0.5f * (powf(2, 10.0f * unitValue) + 1.0f));
         }
     }
 
@@ -308,6 +308,6 @@ public:
 
     static float Gamma(float unitValue)
     {
-        return pow(unitValue, 1.0f / 0.45f);
+        return powf(unitValue, 1.0f / 0.45f);
     }
 };

lib/SparkFun_ADXL345_Arduino_Library/src/SparkFun_ADXL345.cpp

@@ -703,7 +703,8 @@ double ADXL345::getRate() {
 
   readFrom(ADXL345_BW_RATE, 1, &_b);
   _b &= 0b00001111;
-  return (pow(2, ((int)_b) - 6)) * 6.25;
+  return (2 << (int)_b) * 0.09765625;
+//  return (pow(2, ((int)_b) - 6)) * 6.25;
 }
 
 void ADXL345::setRate(double rate) {