Mercurial > sdl-ios-xcode
comparison src/video/e_pow.h @ 1424:7a610f25c12f
Updated MacOS Classic MPW build
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 24 Feb 2006 09:57:14 +0000 |
parents | 7f32b9bede06 |
children | 782fd950bd46 c121d94672cb |
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1423:4ed717f9e509 | 1424:7a610f25c12f |
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294 t1 = z - t*(P1+t*(P2+t*(P3+t*(P4+t*P5)))); | 294 t1 = z - t*(P1+t*(P2+t*(P3+t*(P4+t*P5)))); |
295 r = (z*t1)/(t1-two)-(w+z*w); | 295 r = (z*t1)/(t1-two)-(w+z*w); |
296 z = one-(r-z); | 296 z = one-(r-z); |
297 GET_HIGH_WORD(j,z); | 297 GET_HIGH_WORD(j,z); |
298 j += (n<<20); | 298 j += (n<<20); |
299 if((j>>20)<=0) z = scalbn(z,n); /* subnormal output */ | 299 if((j>>20)<=0) z = SDL_NAME(scalbn)(z,n); /* subnormal output */ |
300 else SET_HIGH_WORD(z,j); | 300 else SET_HIGH_WORD(z,j); |
301 return s*z; | 301 return s*z; |
302 } | 302 } |