o_195h4n6al16jb186b1b2qs7fgssa.pdf

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FIRStruct* filter, int rate ); Arguments: numSamps number of input samples (also N, N = Rp, p integer) dstSamps pointer to destination samples (also y) srcSamps pointer to source samples (also x) filter pointer to FIRStructfilter structure rate rate of interpolation (upsampling factor, also R) Return Value: Pointer to base address of destination samples. Remarks: Number of coefficients in filter is M,with M an integer multiple of R. Coefficients, h[m], defined in 0 ≤m
filter. Include: dsp.h Prototype: extern void FIRDelayInit ( FIRStruct* filter, int rate ); Arguments: filter pointer to FIRStructfilter structure rate rate of interpolation (upsampling factor, also R) Remarks: Delay, d[m], defined in 0 ≤m
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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 .
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 and 32: Remarks: The negated value of 0x800
Page 33 and 34: Cycles (including C-function call a
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: FIRDelayInit Description: FIRDelayI
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
Page 83 and 84: int log2N, fractcomplex* dstCV, fra
Page 85 and 86: fractcomplex* srcCV, fractcomplex*
Page 87 and 88: Language Tools Libraries DS51456B-p
Page 89 and 90: value can be calculated using the i
Page 91 and 92: A complex vector of size N/2 must h
Page 93 and 94: specific libraries. When compiling
Page 95 and 96: Control I/O pin definitions RW_PIN
Page 97 and 98: y calling the BusyXLCD()function. T
Page 99 and 100: COM1_COM16 COM16_COM1 Display On/Of
Page 101 and 102: Source File: CAN1AbortAll.c CAN2Abo
Page 103 and 104: char CAN2IsRXPassive(void); Argumen
Page 105 and 106: CAN2SendMessage Description: This f
Page 107 and 108: CAN2SetMask Description: This funct
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CAN_IDLE_CON_NO_WAITCAN On in Idle
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Language Tools Libraries DS51456B-p
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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
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The sine of -1.000000 is -0.841471
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The hyperbolic sine of 0.000000 is
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Error: domain error The square root
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Return Value: Returns the tangent o
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x, y); } Output: The hyperbolic tan
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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
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uffer points to the storage locatio
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div.sd __builtin_divud Description:
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mul.uu dsPIC ® Language Tools Libr
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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 ..
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Zero, divide by....................
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