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Integer ............................................................. 278 Long Integer .................................................... 283 Divide by Zero ........................................ 216, 219, 278 Document Layout ................................................................. 2 Documentation Conventions ........................................................ 3 Domain Error .......................... 205, 325, 326, 327, 329, ............................ 331, 333, 334, 341, 343, 349, 350, ............................. 351, 352, 357, 358, 361, 362, 363 dot .......................................................................... 253 Double Precision Floating Point Machine Epsilon.............................................. 206 Maximum Exponent (base 10) ........................ 207 Maximum Exponent (base 2) .......................... 207 Maximum Value .............................................. 206 Minimum Exponent (base 10) ......................... 207 Minimum Exponent (base 2) ........................... 208 Minimum Value ............................................... 207 Number of Binary Digits .................................. 206 Number of Decimal Digits ............................... 206 double Type............................................................ 225 Dream Function...................................................... 253 DSP Libraries ............................................................. 9 dsPIC Peripheral Libraries ....................................... 73 Index 2004 Microchip Technology Inc. DS51456B-page 387 E EDOM .................................................................... 205 edom ...................................................................... 325 Ellipses (...) .....................................................221, 260 Empty Binary File ................................................... 236 Empty Text File ...................................................... 236 EnableCNx ............................................................. 123 EnableIntADC .................................................100, 107 EnableIntCANx ........................................................ 92 EnableIntDCI.......................................................... 155 EnableIntFLTA ....................................................... 180 EnableIntFLTB ....................................................... 181 IIRCanonicInit ................................................. 51 .. IIRLattice ................................................. .......... 52 Mô hình OCTAVE IIRLattice ................................ 56 IIRLatticeInit ................................................. ..... 53 IIRTransposed ................................................. . 54 IIRTransposedInit .............................................. 55 FIR ................................................. .......................... 41 FIRDecimate ................................................. ........... 42 FIRDelayInit ................................................. ............ 43 FIRInterpDelayInit ................................................. 45 ... FIRInterpolate ................................................. ......... 44 FIRLattice ................................................. ................ 45 FIRLMS ................................................. ................... 46 FIRLMSNorm ................................................. .......... 47 FIRStruct ................................................. ................. 40 FIRStructInit ................................................. ............ 49 cờ ................................................. ....................... 253 float.h ............................................... ...................... 206 DBL_DIG ................................................. ........ 206 DBL_EPSILON ............................................... 206 DBL_MANT_DIG ............................................ 206 DBL_MAX ................................................. ...... 206 DBL_MAX_10_EXP ........................................ 207 DBL_MAX_EXP .............................................. 207 DBL_MIN ................................................. ....... 207 DBL_MIN_10_EXP ......................................... 207 DBL_MIN_EXP ............................................... 208 FLT_DIG ................................................. ........ 208 FLT_EPSILON ................................................ 208 FLT_MANT_DIG ............................................. 208 FLT_MAX ................................................. ....... 208 FLT_MAX_10_EXP ......................................... 208 FLT_MAX_EXP ............................................... 209 FLT_MIN ................................................. ........ 209 FLT_MIN_10_EXP .......................................... 209 FLT_MIN_EXP ................................................ 209 FLT_RADIX ................................................. 209 .... FLT_ROUNDS ................................................ 209 LDBL_DIG ................................................. ...... 209
EnableIntlCx........................................................... 129 EnableIntlUxTX ...................................................... 147 EnableIntMCPWM ................................................. 180 EnableIntMI2C ....................................................... 190 EnableIntOCx......................................................... 139 EnableIntQEI.......................................................... 169 EnableIntSI2C........................................................ 191 EnableIntSPIx ........................................................ 163 EnableIntTx ............................................................ 115 EnableIntUxRX ...................................................... 147 EnableINTx ............................................................ 123 End Of File ............................................................. 227 Indicator .......................................................... 225 Seek................................................................ 244 Test For .......................................................... 231 Environment Function getenv ............................................................. 281 Environment Variable............................................. 369 EOF........................................................................ 227 ERANGE................................................................ 205 erange.................................................................... 325 errno................................................................205, 325 errno.h.....................................................205, 325, 370 EDOM ............................................................. 205 ERANGE......................................................... 205 errno ............................................................... 205 Error Codes.....................................................205, 305 Error Conditions ..................................................... 325 Error Handler ......................................................... 278 Error Handling Functions clearerr............................................................ 229 feof.................................................................. 231 ferror ............................................................... 232 perror .............................................................. 252 Error Indicator ........................................................ 225 Error Indicators Clearing ...................................................229, 258 End Of File...............................................229, 235 Error .........................................................229, 235 LDBL_EPSILON .............................................. 210 LDBL_MANT_DIG ........................................... 210 LDBL_MAX ................................................. 210 .... LDBL_MAX_10_EXP ...................................... 210 LDBL_MAX_EXP ............................................ 210 LDBL_MIN ................................................. ...... 210 LDBL_MIN_10_EXP ....................................... 210 LDBL_MIN_EXP ............................................. 211 Floating Point Giới hạn ................................................. .............. 206 Không chuyển đổi ................................................ 225 Các loại, thuộc tính của ....................................... 206 Floating Point, Seefloat.h Floating-Point Lỗi tín hiệu ..................................... 216 sàn ................................................. ....................... 340 Đôi Floating Point ...................................... 340 Độc Floating Point ....................................... 340 floorf ................................................. ...................... 340 FLT_DIG ................................................. ................ 208 FLT_EPSILON ................................................. ...... 208 FLT_MANT_DIG ................................................. 208 ... FLT_MAX ................................................. .............. 208 FLT_MAX_10_EXP ................................................ 208 FLT_MAX_EXP ................................................. ..... 209 FLT_MIN ................................................. ............... 209 FLT_MIN_10_EXP ................................................. 209 FLT_MIN_EXP ................................................. ...... 209 FLT_RADIX ................................................. ........... 209 FLT_RADIX chữ số Số ....................................... 206, 208, 210 FLT_ROUNDS ................................................. ...... 209 ................................................. Xả .............. 233, 280 fmod ................................................. ...................... 341 fmodf ................................................. ..................... 343 -fno-ngắn đôi ............................. 206, 207, 208, 225 fopen ............................................... 225, 236, 262, 370 FOPEN_MAX ................................................. ........ 227 Mẫu thức ăn ................................................ .............. 201 Định dạng Specifiers ........................................... 253, 259
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2004 Microchip Technology Inc. DS51
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dsPIC ®LANGUAGE TOOLS LIBRARIES 20
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215 4.11 variable argument lists .
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and macros for standard C operation
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This documentation is provided on t
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• Development Systems Information
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data section. The alternate startup
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specific libraries.) When compiling
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esults will occur when the function
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A batch file named makedsplib.batis
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-15 or smaller than -1.0. Analogous
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CORCON saved, used, restored DOand
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fractional* srcV ); Arguments: numE
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VectorCorrelateis 4 less than whate
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less than or equal to any previous
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Remarks: The negated value of 0x800
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Cycles (including C-function call a
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plus program words from VectorCopy
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Prototype: extern fractional* Black
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); Arguments: numElems number of el
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the base address of the matrix. Bec
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in default RAM memory space (X-Data
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0 ≤i < numRows1 0 ≤j < numCols2
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20 + 3(numRows*numCols) MatrixSubtr
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(of the same dimension) whose eleme
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history of the filter. After perfor
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Oppenheim and Ronald Schafer’s Di
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modulo buffer. Source samples, x[n]
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FIRDelayInit Description: FIRDelayI
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filter. Include: dsp.h Prototype: e
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FIRStruct* filter, fractional* refS
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energyEstimate estimated energy val
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fractional* delayBase ); Arguments:
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Source File: iircan.asm DSP Library
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srcSamps pointer to source samples
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} IIRTransposedStruct; extern fract
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no REPEATinstructions Program words
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Language Tools Libraries DS51456B-p
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for instance if: a = Op1 (b, c), wi
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and stores the results in the desti
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Description: DCTIPcomputes the Disc
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int log2N, fractcomplex* dstCV, fra
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fractcomplex* srcCV, fractcomplex*
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value can be calculated using the i
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A complex vector of size N/2 must h
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specific libraries. When compiling
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Control I/O pin definitions RW_PIN
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y calling the BusyXLCD()function. T
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COM1_COM16 COM16_COM1 Display On/Of
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Source File: CAN1AbortAll.c CAN2Abo
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char CAN2IsRXPassive(void); Argumen
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CAN2SendMessage Description: This f
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CAN2SetMask Description: This funct
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CAN_IDLE_CON_NO_WAITCAN On in Idle
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CAN_INDI_INVMESS_DIS CAN_INDI_WAK_D
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{ /* Length of data tobe transmitte
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Return Value: If the value of DONE
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dsPIC Peripheral Libraries 2004 Mic
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..... SKIP_SCAN_AN15 Return Value:
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DS51456B-page 100 3.5.2 Individual
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3.6 ADC10 FUNCTIONS This section co
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Module On/Off ADC_MODULE_ON ADC_MOD
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ADPCFG register as defined below: E
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ADC_CHX_NEG_SAMPLEB_AN6AN7AN8 ADC_C
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Scanselect = SKIP_SCAN_AN2 & SKIP_S
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dsPIC ® Language Tools Libraries D
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void OpenTimer4(unsigned int config
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Tx_SOURCE_EXT Tx_SOURCE_INT period
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3.7.2 Individual Macros WriteTimer2
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SetPriorityIntT4 SetPriorityIntT5 D
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Code Example: char reset_state; res
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Arguments: None Remarks: This macro
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stored into CNPU2 register. The upp
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SetPriorityInt2 SetPriorityInt3 Set
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IC_INT_PRIOR_3 IC_INT_PRIOR_4 IC_IN
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ReadCapture3 ReadCapture4 ReadCaptu
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void CloseOC4(void); void CloseOC5(
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Include: outcompare.h Prototype: vo
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Include: outcompare.h Prototype: un
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SetDCOC3PWM SetDCOC4PWM SetDCOC5PWM
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Code Example: pulse_start = 0x40 ;
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T3CON = 0x8000; T1CON = 0X8000; /*
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Transmit Interrupt Priority UART_TX
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UART_1STOPBIT config2 This contains
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Source File: WriteUART1.c WriteUART
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Code Example: EnableIntU2TX; Disabl
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ConfigIntUART1(UART_RX_INT_EN & UAR
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DCI_INT_PRI_4 DCI_INT_PRI_5 DCI_INT
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DCI_FRAME_LEN_15 DCI_FRAME_LEN_14 .
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Prototype: unsigned int ReadDCI(uns
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contents are sent duringthe timeslo
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SPI_INT_PRI_4 SPI_INT_PRI_5 SPI_INT
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Prototype: void WriteSPI1(unsigned
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Remarks: This functions initializes
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2004 Microchip Technology Inc. DS51
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SEC_PRESCAL_7_1 & PRI_PRESCAL_64_1;
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enables/disables the interrupt. Sou
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QEI_QE_CLK_DIVIDE_1_32 QEI_QE_CLK_D
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} int main(void) { unsigned int max
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PWM_PEN2H PWM_PDIS2H PWM_PEN1H PWM_
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PWM_POUT_1L Bit defines related to
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PWM_DTS3I_UA PWM_DTS3I_UB Dead Time
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PWM_OVA3H_INACTIVE PWM_OVA2H_INACTI
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#include #include void __attribute
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Prototype: void ConfigIntI2C(unsign
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Arguments: None Return Value None R
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a #definestatement in the i2c.h Sou
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I2C_IDLE_CON SCL Release Control bi
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i2c_data_wait This is the timeout c
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3.17.2 Individual Macros StartI2C D
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Arguments: None Remarks: This macro
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• src\libm- source code for math
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Remarks: The expression evaluates t
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if (isalpha(ch)) printf("# is alpha
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Remarks: A character is considered
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ch = '&'; if (isprint(ch)) printf("
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int ch; ch = 'B'; printf("B changes
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DBL_MIN_10_EXP Description: Minimum
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Include: Value: 1 Remarks: Rounds
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Description: Maximum value of a lon
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abort - terminating See the example
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} Output: Illegal instruction execu
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must be at least one named argument
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Include: Prototype: #define va_end
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to perform input and output operati
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_IOLBF Description: Indicates line
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Include: Prototype: void clearerr(
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Include: Prototype: int feof(FILE
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Error indicator reset Standard C Li
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fpos_t pos; char buf[25]; if ((myfi
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Description: Opens a file. Include:
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Explanation: afile1must exist befor
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Arguments: s string to be written s
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10.0/2 = 5.000000 10.0/3 = 3.333333
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Explanation: This program uses myfi
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SEEK_CUR- seeks from the current po
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*pos if successful; otherwise, fset
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if ((myfile = fopen("afile.out", "r
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10.0/2 = 5.000000 10.0/3 = 3.333333
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Return Value: Returns the character
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Standard C Libraries with Math Func
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e, E doublein scientific notation f
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putchar Description: Put a characte
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Output: File renamed dsPIC ® Langu
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® Language Tools Libraries DS51456
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setbuf(myfile1, NULL); printf("myfi
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int main(void) { char sbuf[100], s[
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Include: Prototype: char *tmpnam(c
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ungetc (Continued) Standard C Libra
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va_list ap; va_start(ap, fmt); prin
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with operands of type long. Include
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i = -2; printf("The absolute value
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(int) strtol(s,0,10)except it does
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eturn 0; else return 1; } Output: S
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printf("For div(%d, %d)\n", x, y);
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free Description: Frees memory. Inc
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printf("The absolute value of %7ld
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is undefined. malloc Description: A
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with the key Remarks: qsortoverwrit
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object. If reallocsucceeds in alloc
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optional whitespace, followed by an
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® Language Tools Libraries DS51456
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Prototype: size_t wcstombs(char *s,
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characters in s2and returns a value
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printf("\n"); memcpy(buf1, buf3, 5)
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printf("\n"); printf("memset(\"%s\"
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printf("buf1 : %s\n\n", buf1); ptr
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uf3 : Why? buf2 comes before buf1 b
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str1, str2, res); res = strcspn(str
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(string length = 11 characters) str
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s2 second string n number of charac
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printf("buf1 : %s\n", buf1); printf
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contained in s2. Example: #include
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else printf("%c not found\n", ch2);
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printf("\"%s\" found at position %d
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Output: str1 : Here, on top of the
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MMMis month of the year ddis day of
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printf("Local time = %s\n", asctime
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Example: #include /* for strftime,
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(in magnitude) to be represented in
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Argument: x value between -1 and 1
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y = atan (x); printf("The arctangen
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if (errno) perror("Error"); printf(
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for (i=0; i
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} Output: The cosine of -1.000000 i
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Error: range error The hyperbolic c
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errno = 0; x = -1E3; y = exp (x); i
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y = fabs (x); printf("The absolute
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-2.0F, -1.75F, -1.5F, -1.25F}; floa
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x, y, z); errno = 0; x = 7.0; y = 0
Page 403 and 404: perror("Error"); printf("For fmodf
Page 405 and 406: Return Value: Returns the fraction,
Page 407 and 408: printf("For a number = %fand an exp
Page 409 and 410: ldexpf(-0.625000, 2) = -2.500000 Fo
Page 411 and 412: x, y); errno = 0; x = 0.0; y = log1
Page 413 and 414: NaN is returned if xis a negative n
Page 415 and 416: Arguments: x single precision float
Page 417 and 418: dsPIC ® Language Tools Libraries D
Page 419 and 420: The sine of -1.000000 is -0.841471
Page 421 and 422: The hyperbolic sine of 0.000000 is
Page 423 and 424: Error: domain error The square root
Page 425 and 426: Return Value: Returns the tangent o
Page 427 and 428: x, y); } Output: The hyperbolic tan
Page 429 and 430: the calling process's data segment.
Page 431 and 432: eginning of the file. A return valu
Page 433 and 434: through the simulator. The return v
Page 435 and 436: uffer points to the storage locatio
Page 437 and 438: div.sd __builtin_divud Description:
Page 439 and 440: mul.uu dsPIC ® Language Tools Libr
Page 441 and 442: Return Value: Returns the psv page
Page 443 and 444: __builtin_mulus ...................
Page 445 and 446: arcsine Double Floating Point......
Page 447 and 448: Set Priority Macro.................
Page 449 and 450: isxdigit...........................
Page 451 and 452: String to Unsigned LongInteger ....
Page 453: DCT................................
Page 457 and 458: Single Floating Point .............
Page 459 and 460: DBL_MAX_10_EXP ....................
Page 461 and 462: Single Floating Point..............
Page 463 and 464: tanhf .............................
Page 465 and 466: Set Capture Interrupt Priority ....
Page 467 and 468: ldiv_t ............................
Page 469 and 470: long long unsigned int Maximum Valu
Page 471 and 472: MatrixInvert ......................
Page 473 and 474: Single Floating Point..............
Page 475 and 476: system.............................
Page 477 and 478: Quick Sort ........................
Page 479 and 480: SEEK_SET...........................
Page 481 and 482: Minimum Value .....................
Page 483 and 484: va_arg ............................
Page 485 and 486: atoi ..............................
Page 487 and 488: strncpy ...........................
Page 489 and 490: Write..............................
Page 491 and 492: unsigned short int Maximum Value ..
Page 493 and 494: Zero, divide by....................
Page 495 and 496: Tel: 86-532-502-7355 Fax: 86-532-50
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