#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdarg.h>

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Macros
#define	NUMERICALFUNCTIONS_SVN_VERSION 110+

#define	nf_floatToShortestString_trimZeros ( 1 << 0 )

#define	nf_floatToShortestString_keepPeriod ( 1 << 1 )

#define	nf_floatToShortestString_includeSign ( 1 << 2 )

Typedefs
typedef enum nfu_status_e	nfu_status

Functions
double	nfu_getNAN (void)

int	nfu_isNAN (double d)

double	nfu_getInfinity (double sign)

const char *	nfu_statusMessage (nfu_status status)

void	nfu_setMemoryDebugMode (int mode)

void *	nfu_malloc (size_t size)

void *	nfu_calloc (size_t size, size_t n)

void *	nfu_realloc (size_t size, void *old)

void *	nfu_free (void *p)

void	nfu_printMsg (char *fmt,...)

void	nfu_printErrorMsg (char *fmt,...)

nfu_status	nfu_stringToListOfDoubles (char const str, int64_t numberConverted, double doublePtr, char endCharacter)

char *	nf_floatToShortestString (double value, int significantDigits, int favorEFormBy, int flags)

Macro Definition Documentation

#define nf_floatToShortestString_includeSign ( 1 << 2 )

Definition at line 18 of file nf_utilities.h.

#define nf_floatToShortestString_keepPeriod ( 1 << 1 )

Definition at line 17 of file nf_utilities.h.

#define nf_floatToShortestString_trimZeros ( 1 << 0 )

Definition at line 16 of file nf_utilities.h.

#define NUMERICALFUNCTIONS_SVN_VERSION 110+

Definition at line 14 of file nf_utilities.h.

Typedef Documentation

typedef enum nfu_status_e nfu_status

Enumeration Type Documentation

enum nfu_status_e

Enumerator
nfu_Okay
nfu_mallocError
nfu_insufficientMemory
nfu_badIndex
nfu_XNotAscending
nfu_badIndexForX
nfu_XOutsideDomain
nfu_invalidInterpolation
nfu_badSelf
nfu_divByZero
nfu_unsupportedInterpolationConversion
nfu_unsupportedInterpolation
nfu_empty
nfu_tooFewPoints
nfu_domainsNotMutual
nfu_badInput
nfu_badNorm
nfu_badIntegrationInput
nfu_otherInterpolation
nfu_failedToConverge
nfu_oddNumberOfValues

Definition at line 25 of file nf_utilities.h.

                           {         nfu_Okay,           nfu_mallocError,            nfu_insufficientMemory,     
     nfu_badIndex,                   nfu_XNotAscending,  nfu_badIndexForX,           nfu_XOutsideDomain,             
     nfu_invalidInterpolation,       nfu_badSelf,        nfu_divByZero,              nfu_unsupportedInterpolationConversion, 
     nfu_unsupportedInterpolation,   nfu_empty,          nfu_tooFewPoints,           nfu_domainsNotMutual,                   
     nfu_badInput,                   nfu_badNorm,        nfu_badIntegrationInput,    nfu_otherInterpolation,
     nfu_failedToConverge,           nfu_oddNumberOfValues } nfu_status;

Function Documentation

char* nf_floatToShortestString	(	double	value,
		int	significantDigits,
		int	favorEFormBy,
		int	flags
	)

Definition at line 66 of file nf_stringToDoubles.cc.

                                                                                                    {
 
     int n1, ne, nf, digitsRightOfPeriod_f, exponent;
     char Str_e[512], Str_f[512], *Str_r = Str_e, Fmt[32], *e1, *e2;
     const char *sign = "";
 
     if( flags & nf_floatToShortestString_includeSign ) sign = "+";
 
     if( !isfinite( value ) ) {
         sprintf( Fmt, "%%%sf", sign );
         sprintf( Str_e, Fmt, value );
         return( strdup( Str_e ) );
     }
 
     significantDigits--;
     if( significantDigits < 0 ) significantDigits = 0;
     if( significantDigits > 24 ) significantDigits = 24;
 
     sprintf( Fmt, "%%%s.%de", sign, significantDigits );
     sprintf( Str_e, Fmt, value );
 
     e1 = strchr( Str_e, 'e' );
     if( significantDigits == 0 ) {
         if( *(e1 - 1) != '.' ) {
             char *e3;
 
             e2 = strchr( e1, 0 );
             e3 = e2 + 1;
             for( ; e2 != e1; e2--, e3-- ) *e3 = *e2;
             *(e1++) = '.';
         }
     }
     *e1 = 0;
     n1 = (int) strlen( Str_e ) - 1;
     if( flags & nf_floatToShortestString_trimZeros ) while( Str_e[n1] == '0' ) n1--; // Loop checking, 11.06.2015, T. Koi
     ne = flags & nf_floatToShortestString_keepPeriod;
     if( !( flags & nf_floatToShortestString_keepPeriod ) ) if( Str_e[n1] == '.' ) n1--;
     n1++;
     Str_e[n1] = 0;
 
     e1++;
     exponent = (int) strtol( e1, &e2, 10 );
     if( exponent != 0 ) {               /* If 0, the exponent was "e+00". */
         for( e1 = Str_e; *e1 != 0; e1++ ) ;
         sprintf( e1, "e%d", exponent );
 
         digitsRightOfPeriod_f = significantDigits - exponent;
         if( ( digitsRightOfPeriod_f > 25 ) || ( exponent > 50 ) ) return( strdup( Str_r ) );
         if( digitsRightOfPeriod_f < 0 ) digitsRightOfPeriod_f = 0;
 
         sprintf( Fmt, "%%%s.%df", sign, digitsRightOfPeriod_f );
         sprintf( Str_f, Fmt, value );
 
         ne = (int) strlen( Str_e );
         nf = (int) strlen( Str_f );
         if( strchr( Str_f, '.' ) != NULL ) {        /* '.' in string. */
             if( flags & nf_floatToShortestString_trimZeros ) while( Str_f[nf-1] == '0' ) nf--; // Loop checking, 11.06.2015, T. Koi
             if( Str_f[nf-1] == '.' ) {
                 if( !( flags & nf_floatToShortestString_keepPeriod ) ) nf--;
             } }
         else {      /* Maybe we want a '.' else it looks like an integer, "12345." vs "12345". */
             if( flags & nf_floatToShortestString_keepPeriod ) {
                 Str_f[nf] = '.';
                 nf++;
             }
         }
         Str_f[nf] = 0;
 
         if( ( nf + favorEFormBy ) < ne ) Str_r = Str_f;
     }
     return( strdup( Str_r ) );
 }

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void* nfu_calloc	(	size_t	size,
		size_t	n
	)

Definition at line 123 of file nf_utilities.cc.

                                           {
 
     void *p = calloc( size, n );
 
     if( nfu_debugging ) printf( "nfu_calloc  %12p size = %8llu, n = %8llu\n", p, (long long unsigned) size, (long long unsigned) n );
     return( p );
 }

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void* nfu_free ( void * p )

Definition at line 143 of file nf_utilities.cc.

                           {
 
     if( p != NULL ) {
         if( nfu_debugging ) printf( "nfu_free    %12p\n", p );
         free( p );
     }
     return( NULL );
 }

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double nfu_getInfinity ( double sign )

Definition at line 68 of file nf_utilities.cc.

                                       {
 
     if( sign < 0 ) return( -INFINITY );
     return( INFINITY );
 }

double nfu_getNAN ( void )

Definition at line 54 of file nf_utilities.cc.

                           {
 
     return( NAN );
 }

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int nfu_isNAN ( double d )

Definition at line 61 of file nf_utilities.cc.

                           {
 
     return( is_nan( d ) );
 }

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void* nfu_malloc ( size_t size )

Definition at line 113 of file nf_utilities.cc.

                                 {
 
     void *p = malloc( size );
 
     if( nfu_debugging ) printf( "nfu_malloc  %12p size = %8llu\n", p, (long long unsigned) size );
     return( p );
 }

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void nfu_printErrorMsg	(	char *	fmt,
			...
	)

Definition at line 166 of file nf_utilities.cc.

                                          {
 
     va_list args;
 
     va_start( args, fmt );
     vfprintf( stderr, fmt, args );
     fprintf( stderr, "\n" );
     va_end( args );
 
     exit( EXIT_FAILURE );
 }

void nfu_printMsg	(	char *	fmt,
			...
	)

Definition at line 154 of file nf_utilities.cc.

                                     {
 
     va_list args;
 
     va_start( args, fmt );
     vfprintf( stderr, fmt, args );
     fprintf( stderr, "\n" );
     va_end( args );
 }

void* nfu_realloc	(	size_t	size,
		void *	old
	)

Definition at line 133 of file nf_utilities.cc.

                                             {
 
     void *p = realloc( old, size );
 
     if( nfu_debugging ) printf( "nfu_realloc %12p size = %8llu, old = %12p\n", p, (long long unsigned) size, old );
     return( p );
 }

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void nfu_setMemoryDebugMode ( int mode )

Definition at line 106 of file nf_utilities.cc.

                                         {
 
     nfu_debugging = mode;
 }

const char* nfu_statusMessage ( nfu_status status )

Definition at line 76 of file nf_utilities.cc.

                                                    {
 
     switch( status ) {
     case nfu_Okay : return( Okay_message );
     case nfu_mallocError : return( mallocError_message );
     case nfu_insufficientMemory : return( insufficientMemory_message );
     case nfu_badIndex : return( badIndex_message );
     case nfu_XNotAscending : return( XNotAscending_message );
     case nfu_badIndexForX : return( badIndexForX_message );
     case nfu_XOutsideDomain : return( XOutsideDomain_message );
     case nfu_invalidInterpolation : return( invalidInterpolation_message );
     case nfu_badSelf : return( badSelf_message );
     case nfu_divByZero : return( divByZero_message );
     case nfu_unsupportedInterpolation : return( unsupportedInterpolation_message );
     case nfu_unsupportedInterpolationConversion : return( unsupportedInterpolationConversion_message );
     case nfu_empty : return( empty_message );
     case nfu_tooFewPoints : return( tooFewPoints_message );
     case nfu_domainsNotMutual : return( notMutualDomian_message );
     case nfu_badInput : return( badInput_message );
     case nfu_badNorm : return( badNorm_message );
     case nfu_badIntegrationInput : return( badIntegrationInput_message );
     case nfu_otherInterpolation : return( otherInterpolation_message );
     case nfu_failedToConverge : return( failedToConverge_message );
     case nfu_oddNumberOfValues : return( oddNumberOfValues_message );
     }
     return( unknownStatus_message );
 }

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nfu_status nfu_stringToListOfDoubles	(	char const *	str,
		int64_t *	numberConverted,
		double **	doublePtr,
		char **	endCharacter
	)

Definition at line 29 of file nf_stringToDoubles.cc.

                                                                                                                            {
 
     *numberConverted = 0;
     *doublePtr = NULL;
     return( nfu_stringToListOfDoubles2( str, numberConverted, doublePtr, endCharacter ) );
 }

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Enumerations
enum	nfu_status_e { nfu_Okay, nfu_mallocError, nfu_insufficientMemory, nfu_badIndex, nfu_XNotAscending, nfu_badIndexForX, nfu_XOutsideDomain, nfu_invalidInterpolation, nfu_badSelf, nfu_divByZero, nfu_unsupportedInterpolationConversion, nfu_unsupportedInterpolation, nfu_empty, nfu_tooFewPoints, nfu_domainsNotMutual, nfu_badInput, nfu_badNorm, nfu_badIntegrationInput, nfu_otherInterpolation, nfu_failedToConverge, nfu_oddNumberOfValues }

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Function Documentation