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C:/temp/src/j2k/Beta/Math/Number/NbVerify.hpp File Reference

Go to the source code of this file.

Functions
void	verify (MathState s, TYPE temp)
MathState	verify (TYPE n)
MathState	getState (const char *s)

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Function Documentation

MathState getState (  const char *    s )  [static]

Definition at line 73 of file NbVerify.hpp. Referenced by Double::Double(), Float::Float(), and Integer::Integer(). { if ( s == NULL ) return Zero; if ( strlen(s) < 2 ) return Valid; char* sUp = strupr( strdup( s ) ); char* sPosInf = "POSITIVE INFINITE POSINFINITE +INFINITE"; char* sNegInf = "NEGATIVE INFINITE NEGINFINITE -INFINITE"; char* sNaN = "NAN NaN"; char* sFPError = "FPERROR FLOATING-POINT ERROR FLOAT ERROR"; char* f1 = strstr( sPosInf, sUp ); char* f2 = strstr( sNegInf, sUp ); char* f3 = strstr( sNaN, sUp ); char* f4 = strstr( sFPError, sUp ); long n1 = (long)( f1 - sUp ); long n2 = (long)( f2 - sUp ); long n3 = (long)( f3 - sUp ); long n4 = (long)( f4 - sUp ); #ifdef __J2K__DEBUG printf("Up=[%s](%d)\n", sUp, strlen(sUp) ); printf("f1=[%s](%d)\n", f1, n1 ); printf("f2=[%s](%d)\n", f2, n2 ); printf("f3=[%s](%d)\n", f3, n3 ); printf("f4=[%s](%d)\n", f4, n4 ); #endif if ( n1 > 0 ) return PosInf; if ( n2 > 0 ) return NegInf; if ( n3 > 0 ) return NaN; if ( n4 > 0 ) return FPError; return Valid; }

MathState verify (  TYPE    n )  [static]

Definition at line 66 of file NbVerify.hpp. { if ( n > ZERO ) return Pos; if ( n < ZERO ) return Neg; return Zero; }

void verify (  MathState    s, TYPE    temp )

Definition at line 57 of file NbVerify.hpp. { if ( s != Valid ) return; if ( temp > ZERO ) { state = Pos; } else if ( temp < ZERO ) { state = Neg; } else { state = Zero; } }

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