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load exponent function Double Floating Point ..................................... 346 Single Floating Point....................................... 347 Local Time ..............................................319, 321, 322 Locale, C.........................................................196, 213 Locale, Other ......................................................... 213 locale.h................................................................... 213 localeconv .............................................................. 213 Localization, Seelocale.h localtime..................................................319, 320, 321 Locate Character ................................................... 301 log .......................................................................... 349 log10 ...................................................................... 350 log10f ..................................................................... 351 logarithm function Double Floating Point ..................................... 350 Single Floating Point....................................... 351 logarithm function, natural Double Floating Point ..................................... 349 Single Floating Point....................................... 352 logf ......................................................................... 352 logic errors, debugging .......................................... 195 Long Double Precision Floating Point Machine Epsilon ............................................. 210 Maximum Exponent (base 10) ........................ 210 Maximum Exponent (base 2) .......................... 210 Maximum Value .............................................. 210 Minimum Exponent (base 10) ......................... 210 Minimum Exponent (base 2) ........................... 211 Minimum Value ............................................... 210 Number of Binary Digits .................................. 210 Number of Decimal Digits ............................... 209 long double Type.................................................... 225 long int Maximum Value .............................................. 212 Minimum Value ............................................... 212 long long int Maximum Value .............................................. 211 Minimum Value ............................................... 212 Đôi Floating Point Exponent (cơ sở 2) ....... 208 Dài đôi Floating Point Exponent (10 cơ sở) ........................................... 210 Dài đôi Floating Point Exponent (Cơ sở 2) ............................................. 211 Độc Floating Point Exponent (10 cơ sở) ....... 209 Độc Floating Point Exponent (cơ sở 2) ......... 209 Loại char ................................................ ........ 211 Loại đôi ................................................ 207 .... Kiểu int ................................................ ........... 211 Loại dài đôi ........................................... 210 Loại long int ............................................... ..... 212 Loại dài dài int ............................................ 212 Loại ngắn int ............................................... 212 ... Loại ký char ............................................. 212 Loại đơn ................................................ ..... 209 Phút ................................................. .... 317, 318, 323 mktime ................................................. ................... 322 modf ................................................. ...................... 353 modff ................................................. ..................... 354 chức năng mô đun Đôi Floating Point ...................................... 353 Độc Floating Point ....................................... 354 Tháng .............................................. 317, 318 , 322, 323 -msmart-io .............................................. ................ 225 Nhiều byte nhân vật ................................ 271, 285, 293 Số lượng tối đa Bytes ............................. 212 Nhiều byte chuỗi ............................................... 285 , 293 N NaN ................................................. ....................... 325 Logarithm tự nhiên Đôi Floating Point ...................................... 349 Độc Floating Point ....................................... 352 NDEBUG ................................................. ............... 195 Chức năng Integer gần ceil ................................................. .................. 332 ceilf ................................................. ................. 333 Chỉ số 2004 Microchip Technology Inc DS51456B trang 393
long long unsigned int Maximum Value .............................................. 213 long unsigned int Maximum Value .............................................. 213 LONG_MAX ........................................................... 212 LONG_MIN ............................................................ 212 longjmp................................................................... 214 Lower Case Alphabetic Character Convert To ...................................................... 203 Defined............................................................ 199 Test for ............................................................ 199 lseek....................................................................... 369 M Machine Epsilon Double Floating Point...................................... 206 Long Double Floating Point............................. 210 Single Floating Point ....................................... 208 Magnitude ................325, 337, 338, 341, 343, 359, 360 malloc..............................................281, 284, 367, 372 Mapping Characters............................................... 196 MastergetsI2C........................................................ 185 MasterputsI2C........................................................ 185 MasterReadI2C ...................................................... 186 MasterWriteI2C ...................................................... 186 Math Exception Error ............................................. 278 math.h .................................................................... 325 acos. ............................................................... 325 acosf. .............................................................. 326 asin. ................................................................ 327 asinf ................................................................ 327 atan. ................................................................ 328 atan2. .............................................................. 329 atan2f. ............................................................. 331 atanf. ............................................................... 329 ceil................................................................... 332 ceilf.................................................................. 333 cos .................................................................. 333 cosf ................................................................. 334 cosh ................................................................ 335 sàn ................................................. ................ 340 floorf ................................................. ............... 340 Lồng nhau tín hiệu Handler ........................................... 214 Xuống dòng .................... 201, 225, 235, 240, 251, 252, 256 Không có bộ nhớ đệm .................................... 225, 226, 261, 262 Nhảy không địa phương, Seesetjmp.h NotAckI2C ................................................. ............. 186 NULL ............................... 213, 223, 227, 271, 294, 318 O Mô-đun đối tượng Định dạng ............................................... 7 Bát phân ................................................ 254 , 260, 291, 292 Chuyển đổi bát phân ................................................ 253 ... offsetof ................................................. .................. 224 OMF ................................................. .......................... 7 mở ................................................. ...................... 370 OpenADC10 ................................................. .......... 103 OpenADC12 ................................................. ............ 96 OpenCapturex ................................................. ....... 127 OpenDCI ................................................. ............... 151 OpenI2C ................................................. ................ 187 OpenMCPWM ................................................. ....... 172 OpenOCx ................................................. .............. 133 OpenQEI ................................................. ............... 167 OpenSPIx ................................................. .............. 160 OpenTimerx ................................................. .......... 111 OpenTimerxx ................................................. ........ 112 OpenUART ................................................. ........... 143 OpenXLCD ................................................. .............. 75 So sánh sản lượng chức năng Đóng So sánh ............................................... 131 Cấu hình So sánh ........................................ 133 Cấu hình So sánh ngắt .......................... 132 Ví dụ sử dụng .............................................. 140 So sánh là đã đọc Chu kỳ ............................. 136 So sánh là đã đọc Chu kỳ - chế độ PWM ....... 135 Set So sánh Chu kỳ ................................ 138 Đặt so sánh Chu kỳ - chế độ PWM .......... 137 So sánh sản lượng Macros Vô hiệu hoá So sánh ngắt .............................. 139
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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
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perror("Error"); printf("For fmodf
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Return Value: Returns the fraction,
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printf("For a number = %fand an exp
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ldexpf(-0.625000, 2) = -2.500000 Fo
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x, y); errno = 0; x = 0.0; y = log1
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NaN is returned if xis a negative n
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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 and 454: DCT................................
Page 455 and 456: EnableIntlCx.......................
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: ldiv_t ............................
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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