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CORCON saved, used, restored DOand REPEATinstruction usage: no DOinstructions 1 level REPEATinstructions Program words (24-bit instructions): 12 Cycles (including C-function call and return overheads): 16 + 2(numElems) VectorNegate (Continued) DSP Library 2004 Microchip Technology Inc. DS51456B-page 23 VectorScale Description: VectorScalescales (multiplies) the values of all the elements in the source vector by a scale value, and places the result in the destination vector. Include: dsp.h Prototype: extern fractional* VectorScale ( int numElems, fractional* dstV, fractional* srcV, fractional sclVal ); Arguments: numElems number of elements in source vector dstV pointer to destination vector srcV pointer to source vector sclVal value by which to scale vector elements Return Value: Pointer to base address of destination vector. Remarks: sclValmust be a fractional number in 1.15 format. This function can be computed in place. Source File: vscl.asm Function Profile: System resources usage: W0..W5 used, not restored ACCA used, not restored CORCON saved, used, restored DOand REPEATinstruction usage: 1 level DOinstructions no REPEATinstructions Program words (24-bit instructions): 14 Từ chương trình (hướng dẫn 24-bit): 14 Chu kỳ (bao gồm cả cuộc gọi C-chức năng và trả các chi phí): 18 + 3 (numElems) VectorSubtract Mô tả: VectorSubtractsubtracts giá trị của mỗi phần tử trong mã nguồn hai vector từ đối tác của mình trong nguồn một véc tơ, và những nơi dẫn đến việc vector đích. Bao gồm: dsp.h Nguyên mẫu: ở ngoài phân đoạn * VectorSubtract ( int numElems, phân đoạn * DSTV, phân đoạn * srcV1, phân đoạn * srcV2 ); Đối số: numElems số phần tử trong vector nguồn DSTV con trỏ tới vector điểm đến con trỏ srcV1 nguồn onevector (để trừ) srcV2 con trỏ đến nguồn hai vector (số bị trừ) Quay trở lại giá trị: Con trỏ trỏ tới địa chỉ cơ sở của vector đích. Ghi chú: Nếu giá trị tuyệt đối của srcV1 [n] - srcV2 [n] là lớn hơn 1-2 -15 , hoạt động này dẫn đến độ bão hòa cho các phần tử n-thứ. Chức năng này có thể được tính tại chỗ. Chức năng này có thể tự áp dụng. dsPIC ® Thư viện Công cụ Ngôn ngữ DS51456B trang 24 2004 Microchip Technology Inc Source File: vsub.asm Chức năng thông tin: sử dụng nguồn tài nguyên của hệ thống: W0..W4 sử dụng, không được khôi phục ACCA được sử dụng, không được khôi phục ACCB sử dụng, không được khôi phục CORCON lưu, sử dụng, phục hồi DOand REPEATinstruction sử dụng: 1 DOinstructions cấp không REPEATinstructions
Cycles (including C-function call and return overheads): 18 + 3(numElems) VectorSubtract Description: VectorSubtractsubtracts the value of each element in the source two vector from its counterpart in the source one vector, and places the result in the destination vector. Include: dsp.h Prototype: extern fractional* VectorSubtract ( int numElems, fractional* dstV, fractional* srcV1, fractional* srcV2 ); Arguments: numElems number of elements in source vectors dstV pointer to destination vector srcV1 pointer to source onevector (minuend) srcV2 pointer to source two vector (subtrahend) Return Value: Pointer to base address of destination vector. Remarks: If the absolute value of srcV1[n] - srcV2[n]is larger than 1-2 -15 , this operation results in saturation for the n-th element. This function can be computed in place. This function can be self applicable. dsPIC ® Language Tools Libraries Từ chương trình (hướng dẫn 24-bit): 14 Chu kỳ (bao gồm cả cuộc gọi C-chức năng và trả các chi phí): 17 + 4 (numElems) VectorZeroPad Mô tả: VectorZeroPadcopies vector nguồn vào đầu (Đã có sẵn) vector đích, và sau đó lấp đầy với các số không numZeroselements của vector điểm còn lại: DSTV [n] = srcV [n], 0 ≤n
Page 1 and 2: 2004 Microchip Technology Inc. DS51
Page 3 and 4: dsPIC ®LANGUAGE TOOLS LIBRARIES 20
Page 5 and 6: 215 4.11 variable argument lists .
Page 7 and 8: and macros for standard C operation
Page 9 and 10: This documentation is provided on t
Page 11 and 12: • Development Systems Information
Page 13 and 14: data section. The alternate startup
Page 15 and 16: specific libraries.) When compiling
Page 17 and 18: esults will occur when the function
Page 19 and 20: A batch file named makedsplib.batis
Page 21 and 22: -15 or smaller than -1.0. Analogous
Page 23 and 24: CORCON saved, used, restored DOand
Page 25 and 26: fractional* srcV ); Arguments: numE
Page 27 and 28: VectorCorrelateis 4 less than whate
Page 29 and 30: less than or equal to any previous
Page 31: Remarks: The negated value of 0x800
Page 35 and 36: plus program words from VectorCopy
Page 37 and 38: Prototype: extern fractional* Black
Page 39 and 40: ); Arguments: numElems number of el
Page 41 and 42: the base address of the matrix. Bec
Page 43 and 44: in default RAM memory space (X-Data
Page 45 and 46: 0 ≤i < numRows1 0 ≤j < numCols2
Page 47 and 48: 20 + 3(numRows*numCols) MatrixSubtr
Page 49 and 50: (of the same dimension) whose eleme
Page 51 and 52: history of the filter. After perfor
Page 53 and 54: Oppenheim and Ronald Schafer’s Di
Page 55 and 56: modulo buffer. Source samples, x[n]
Page 57 and 58: FIRDelayInit Description: FIRDelayI
Page 59 and 60: filter. Include: dsp.h Prototype: e
Page 61 and 62: FIRStruct* filter, fractional* refS
Page 63 and 64: energyEstimate estimated energy val
Page 65 and 66: fractional* delayBase ); Arguments:
Page 67 and 68: Source File: iircan.asm DSP Library
Page 69 and 70: srcSamps pointer to source samples
Page 71 and 72: } IIRTransposedStruct; extern fract
Page 73 and 74: no REPEATinstructions Program words
Page 75 and 76: Language Tools Libraries DS51456B-p
Page 77 and 78: for instance if: a = Op1 (b, c), wi
Page 79 and 80: and stores the results in the desti
Page 81 and 82: Description: DCTIPcomputes the Disc
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int log2N, fractcomplex* dstCV, fra
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fractcomplex* srcCV, fractcomplex*
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Language Tools Libraries DS51456B-p
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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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Page 257 and 258:
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:
Page 281 and 282:
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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Page 325 and 326:
(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,
Page 347 and 348:
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(
Page 389 and 390:
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
Page 399 and 400:
-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
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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.
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eginning of the file. A return valu
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through the simulator. The return v
Page 435 and 436:
uffer points to the storage locatio
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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
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__builtin_mulus ...................
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arcsine Double Floating Point......
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Set Priority Macro.................
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isxdigit...........................
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String to Unsigned LongInteger ....
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DCT................................
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EnableIntlCx.......................
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Single Floating Point .............
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DBL_MAX_10_EXP ....................
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Single Floating Point..............
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tanhf .............................
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Set Capture Interrupt Priority ....
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ldiv_t ............................
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long long unsigned int Maximum Valu
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MatrixInvert ......................
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Single Floating Point..............
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system.............................
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Quick Sort ........................
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SEEK_SET...........................
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Minimum Value .....................
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va_arg ............................
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atoi ..............................
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strncpy ...........................
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Write..............................
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unsigned short int Maximum Value ..
Page 493 and 494:
Zero, divide by....................
Page 495 and 496:
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