diff options
Diffstat (limited to 'src/rtext.c')
| -rw-r--r-- | src/rtext.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/rtext.c b/src/rtext.c index 1ab45277..a919fa4a 100644 --- a/src/rtext.c +++ b/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) |