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Floating-Point IP Cores Design Files
ALTFP_INV_SQRT
• altfp_inv_sqrt_DesignExample.zip (Quartus II design files)
• altfp_inv_sqrt_ex_msim.zip (ModelSim-Altera files)
ALTFP_LOG
• altfp_log_DesignExample.zip (Quartus II design files)
• altfp_log_ex_msim.zip (ModelSim-Altera files)
ALTFP_ATAN Not Available
ALTFP_SINCOS Not Available
ALTFP_ABS
• altfp_mult_abs_DesignExample.zip (Quartus II design files)
• altfp_mult_abs_ex_msim.zip (ModelSim-Altera files)
ALTFP_COMPARE
• altfp_compare_DesignExample.zip (Quartus II design files)
• altfp_compare_ex_msim.zip (ModelSim-Altera files)
ALTFP_CONVERT
• altfp_convert_DesignExample.zip (Quartus II design files)
• altfp_convert_float2int_msim.zip (ModelSim-Altera files)
ALTERA_FP_ACC_CUSTOM Not Available
ALTERA_FP_FUNCTIONS Not Available
ALTERA_FP_MATRIX_INV
• altfp_matrix_inv_DesignExample.zip (Quartus II design files)
• altfp_matrix_inv_ex_msim.zip (ModelSim-Altera files)
ALTERA_FP_MATRIX_
MULT
Not Available
Related Information
• ALTERA_FP_MATRIX_INV Design Example: Matrix Inverse of Single-Precision Format
Numbers on page 2-6
• ALTFP_ADD_SUB Design Example: Addition of Double-Precision Format Numbers on page 5-
3
• ALTFP_DIV Design Example: Division of Single-Precision on page 6-4
• ALTFP_MULT Design Example: Multiplication of Double-Precision Format Numbers on page 7-
3
• ALTFP_SQRT Design Example: Square Root of Single-Precision Format Numbers on page 8-3
• ALTFP_EXP Design Example: Exponential of Single-Precision Format Numbers on page 9-2
• ALTFP_INV Design Example: Inverse of Single-Precision Format Numbers on page 10-2
This design example uses the ALTFP_INV IP core to compute the inverse of single-precision format
numbers. This example uses the parameter editor in the Quartus II software.
• ALTFP_INV_SQRT Design Example: Inverse Square Root of Single-Precision Format Numbers on
page 11-2
• ALTFP_LOG Design Example: Natural Logarithm of Single-Precision Format Numbers on page
12-2
• ALTFP_ABS Design Example: Absolute Value of Multiplication Results on page 15-2
UG-01058
2014.12.19
Floating-Point IP Cores Design Example Files
1-17
About Floating-Point IP Cores
Altera Corporation
Send Feedback
- 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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