fixed coding style in function TextToFloat (#3627)

* function to convert string to float

* fix code to match coding conventions

src/raylib.h

@@ -1481,6 +1481,7 @@ RLAPI const char *TextToUpper(const char *text);                      // Get upp
 RLAPI const char *TextToLower(const char *text);                      // Get lower case version of provided string
 RLAPI const char *TextToPascal(const char *text);                     // Get Pascal case notation version of provided string
 RLAPI int TextToInteger(const char *text);                            // Get integer value from text (negative values not supported)
+RLAPI float TextToFloat(const char *text);                            // Get float value from text (negative values not supported)
 
 //------------------------------------------------------------------------------------
 // Basic 3d Shapes Drawing Functions (Module: models)

src/rtext.c

@@ -1421,6 +1421,28 @@ int TextToInteger(const char *text)
     return value*sign;
 }
 
+float TextToFloat(const char *text)
+{
+    float value = 0.0f;
+    float sign = 1.0f;
+
+    if ((text[0] == '+') || (text[0] == '-'))
+    {
+        if (text[0] == '-') sign = -1;
+        text++;
+    }
+    int i = 0;
+    for (; ((text[i] >= '0') && (text[i] <= '9')); ++i) value = value*10.0f + (float)(text[i] - '0');
+    if (text[i++] != '.') return value*sign;
+    float divisor = 10.0f;
+    for (; ((text[i] >= '0') && (text[i] <= '9')); ++i)
+    {
+        value += ((float)(text[i] - '0'))/divisor;
+        divisor = divisor*10.0f;
+    }
+    return value;
+}
+
 #if defined(SUPPORT_TEXT_MANIPULATION)
 // Copy one string to another, returns bytes copied
 int TextCopy(char *dst, const char *src)