| /* |
| Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization |
| dedicated to making software imaging solutions freely available. |
| |
| You may not use this file except in compliance with the License. |
| obtain a copy of the License at |
| |
| http://www.imagemagick.org/script/license.php |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| MagickCore private string methods. |
| */ |
| #ifndef _MAGICKCORE_STRING_PRIVATE_H |
| #define _MAGICKCORE_STRING_PRIVATE_H |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| extern "C" { |
| #endif |
| |
| static inline double SiPrefixToDouble(const char *string,const double interval) |
| { |
| char |
| *q; |
| |
| double |
| scale, |
| value; |
| |
| value=strtod(string,&q); |
| scale=1000.0; |
| if ((*q != '\0') && (tolower((int) ((unsigned char) *(q+1))) == 'i')) |
| scale=1024.0; |
| switch (tolower((int) ((unsigned char) *q))) |
| { |
| case '%': value*=pow(scale,0)*interval/100.0; break; |
| case 'k': value*=pow(scale,1); break; |
| case 'm': value*=pow(scale,2); break; |
| case 'g': value*=pow(scale,3); break; |
| case 't': value*=pow(scale,4); break; |
| case 'p': value*=pow(scale,5); break; |
| case 'e': value*=pow(scale,6); break; |
| case 'z': value*=pow(scale,7); break; |
| case 'y': value*=pow(scale,8); break; |
| default: break; |
| } |
| return(value); |
| } |
| |
| static inline double StringToDouble(const char *value) |
| { |
| return(strtod(value,(char **) NULL)); |
| } |
| |
| static inline long StringToLong(const char *value) |
| { |
| return(strtol(value,(char **) NULL,10)); |
| } |
| |
| #if defined(__cplusplus) || defined(c_plusplus) |
| } |
| #endif |
| |
| #endif |