Altera Floating-Point Manuel d'utilisateur Page 4
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ALTFP_SQRT Design Example: Square Root of Single-Precision Format Numbers........................8-3
ALTFP_SQRT Design Example: Understanding the Simulation Results................................8-3
ALTFP_SQRT Signals.................................................................................................................................8-4
ALTFP_SQRT Parameters..........................................................................................................................8-6
ALTFP_EXP IP Core...........................................................................................9-1
ALTFP_EXP Features..................................................................................................................................9-1
Output Latency.............................................................................................................................................9-1
ALTFP_EXP Truth Table........................................................................................................................... 9-1
ALTFP_EXP Resource Utilization and Performance.............................................................................9-2
ALTFP_EXP Design Example: Exponential of Single-Precision Format Numbers...........................9-2
ALTFP_EXP Design Example: Understanding the Simulation Results...................................9-3
ALTFP_EXP Signals....................................................................................................................................9-4
ALTFP_EXP Parameters.............................................................................................................................9-6
ALTFP_INV IP Core.........................................................................................10-1
ALTFP_INV Features............................................................................................................................... 10-1
Output Latency...........................................................................................................................................10-1
ALTFP_INV Truth Table.........................................................................................................................10-1
ALTFP_INV Resource Utilization and Performance...........................................................................10-2
ALTFP_INV Design Example: Inverse of Single-Precision Format Numbers ................................10-2
ALTFP_INV Design Example: Understanding the Simulation Results.................................10-3
Ports.............................................................................................................................................................10-4
Parameters.................................................................................................................................................. 10-5
ALTFP_INV_SQRT IP Core.............................................................................11-1
ALTFP_INV_SQRT Features...................................................................................................................11-1
Output Latency...........................................................................................................................................11-1
ALTFP_INV_SQRT Truth Table............................................................................................................11-1
ALTFP_INV_SQRT Resource Utilization and Performance..............................................................11-2
ALTFP_INV_SQRT Design Example: Inverse Square Root of Single-Precision Format
Numbers ...............................................................................................................................................11-2
ALTFP_INV_SQRT Design Example: Understanding the Simulation Results ...................11-3
Ports.............................................................................................................................................................11-4
Parameters.................................................................................................................................................. 11-5
ALTFP_LOG......................................................................................................12-1
ALTFP_LOG Features...............................................................................................................................12-1
Output Latency...........................................................................................................................................12-1
ALTFP_LOG Truth Table........................................................................................................................ 12-1
ALTFP_LOG Resource Utilization and Performance..........................................................................12-2
ALTFP_LOG Design Example: Natural Logarithm of Single-Precision Format Numbers ...........12-2
ALTFP_LOG Design Example: Understanding the Simulation Results................................12-3
Signals..........................................................................................................................................................12-4
Parameters.................................................................................................................................................. 12-6
TOC-4
Altera Corporation
- 101 Innovation Drive 1
- San Jose, CA 95134 1
- Contents 2
- About Floating-Point IP Cores 7
- Design Flow 8
- Using the Parameter Editor 10
- File Name Description 12
- Upgrading IP Cores 15
- Related Information 18
- Floating-Point Formats 19
- Special Case Numbers 20
- Non-IEEE-754 Standard Format 21
- Integer bits 22
- Fraction bits 22
- VHDL Component Declaration 24
- VHDL LIBRARY-USE Declaration 24
- ALTERA_FP_MATRIX_INV IP Core 25
- Triangular Matrix Inversion 29
- Matrix Multiplication 29
- Matrix Inversion Operation 29
- Precision Format Numbers 30
- Sample Matrix Data 32
- Matrix Data 33
- ALTERA_FP_MATRIX_INV Signals 34
- ALTERA_FP_MATRIX_MULT IP Core 36
- . . . N-10 . . 38
- . . . N-10 38
- ALTERA_FP_MATRIX_MULT 39
- Parameter Value Description 40
- ALTERA_FP_ACC_CUSTOM IP Core 42
- ALTERA_FP_ACC_CUSTOM Signals 44
- ALTFP_ADD_SUB IP Core 48
- ALTFP_ADD_SUB Signals 51
- ALTFP_ADD_SUB 52
- ALTFP_ADD_SUB Parameters 53
- ALTFP_DIV IP Core 55
- ALTFP_DIV Truth Table 56
- ALTFP_DIV Signals 60
- ALTFP_DIV Parameters 61
- ALTFP_MULT IP Core 63
- Parameters 66
- ALTFP_MULT Signals 67
- ALTFP_SQRT 69
- ALTFP_SQRT Truth Table 70
- ALTFP_SQRT Signals 72
- ALTFP_SQRT Parameters 74
- ALTFP_EXP IP Core 75
- ALTFP_EXP Signals 78
- ALTFP_EXP 79
- ALTFP_EXP Parameters 80
- ALTFP_INV IP Core 81
- ALTFP_INV_SQRT IP Core 87
- ALTFP_INV_SQRT 90
- ALTFP_LOG 93
- ALTFP_ATAN IP Core 99
- ALTFP_ATAN Parameters 100
- Parameter 101
- Type Required Description 101
- ALTFP_SINCOS IP Core 102
- ALTFP_SINCOS Signals 103
- ALTFP_SINCOS Parameters 104
- ALTFP_ABS IP Core 105
- UG-01058 106
- 2014.12.19 106
- ALTFP_ABS Signals 107
- ALTFP_ABS 108
- ALTFP_ABS Parameters 109
- ALTFP_COMPARE IP Core 111
- Format Numbers 112
- ALTFP_COMPARE Signals 113
- ALTFP_COMPARE Parameters 114
- ALTFP_CONVERT IP Core 116
- ALTFP_CONVERT Output Latency 117
- Point Format Numbers 121
- Time Event 122
- ALTFP_CONVERT Signals 123
- ALTFP_CONVERT Parameters 125
- ALTERA_FP_FUNCTIONS IP Core 128
- Function Description 129
- ALTERA_FP_FUNCTIONS Signals 151
- Altera Corporation 152
- Send Feedback 152
- Document Revision History 156
- Date Document 157
- Changes Made 157
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