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modf

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Funciones matemáticas comunes
Funciones
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Functions
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Operaciones básicas
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Basic operations
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Funciones exponenciales
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Exponential functions
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Funciones de energía
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Power functions
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Funciones trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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Error gamma y funciones
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Error and gamma functions
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Más cerca de las operaciones con enteros en coma flotante
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Nearest integer floating point operations
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Funciones de punto flotante de manipulación
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Floating point manipulation functions
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modf
Clasificación
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Classification
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Constantes Macro
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Macro constants
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Definido en la cabecera <math.h>
float       modff( float x, float* iptr );
(desde C99)
double      modf( double x, double* iptr );
long double modfl( long double x, long double* iptr );
(desde C99)
Se descompone dado x valor del punto flotante en partes integrales y fraccionarios, cada uno con el mismo tipo y signo como x. La parte integral (en formato de coma flotante) se almacena en el objeto al que apunta iptr .
Original:
Decomposes given floating point value x into integral and fractional parts, each having the same type and sign as x. The integral part (in floating-point format) is stored in the object pointed to by iptr.
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Contenido

[editar] Parámetros

arg -
flotando valor en puntos
Original:
floating point value
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iptr -
puntero al valor de punto flotante para almacenar la parte integral
Original:
pointer to floating point value to store the integral part to
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[editar] Valor de retorno

La parte fraccionaria de x con el mismo signo que x. La parte integral se pone en el valor apuntado por iptr .
Original:
The fractional part of x with the same sign as x. The integral part is put into the value pointed to by iptr.
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[editar] Ejemplo

[editar] Ver también

(C99)
entero más cercano no es mayor en magnitud que el valor dado
Original:
nearest integer not greater in magnitude than the given value
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(función) [editar]