/ Check-in [469b96be]

 ```323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 ``` ```/* ** Compute 10 to the E-th power. Examples: E==1 results in 10. ** E==2 results in 100. E==50 results in 1.0e50. ** ** This routine only works for values of E between 1 and 341. */ static LONGDOUBLE_TYPE sqlite3Pow10(int E){ LONGDOUBLE_TYPE x = 10.0; LONGDOUBLE_TYPE r = 1.0; while(1){ if( E & 1 ) r *= x; E >>= 1; if( E==0 ) break; x *= x; } return r; } /* ** The string z[] is an text representation of a real number. ** Convert this string to a double and write it into *pResult. ** ** The string z[] is length bytes in length (bytes, not characters) and ``` ``` > > > > > > > > > > > > > > > > > > > > > ``` ```323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 ``` ```/* ** Compute 10 to the E-th power. Examples: E==1 results in 10. ** E==2 results in 100. E==50 results in 1.0e50. ** ** This routine only works for values of E between 1 and 341. */ static LONGDOUBLE_TYPE sqlite3Pow10(int E){ #if defined(_MSC_VER) static const LONGDOUBLE_TYPE x[] = { 1.0e+001, 1.0e+002, 1.0e+004, 1.0e+008, 1.0e+016, 1.0e+032, 1.0e+064, 1.0e+128, 1.0e+256 }; LONGDOUBLE_TYPE r = 1.0; int i; assert( E>=0 && E<=307 ); for(i=0; E!=0; i++, E >>=1){ if( E & 1 ) r *= x[i]; } return r; #else LONGDOUBLE_TYPE x = 10.0; LONGDOUBLE_TYPE r = 1.0; while(1){ if( E & 1 ) r *= x; E >>= 1; if( E==0 ) break; x *= x; } return r; #endif } /* ** The string z[] is an text representation of a real number. ** Convert this string to a double and write it into *pResult. ** ** The string z[] is length bytes in length (bytes, not characters) and ```